- test-drb@ccmp.vtda.org - classiccmp.org

PET 2001 oddity

by pete＠dunnington.u-net.com

Hi, Ade. On Jan 18, 12:55, Adrian Vickers wrote: > It's not *quite* as bad as all that, it uses 2114's. Although they're not > made of unobtainum, they ARE made of "rareium" (or R@RE!ium on eBay - > probably the *WOW* *L@@K* isotope, knowing my luck :). Good! If it *is* a RAM fault, and you can't find one at a reasonable price, let me know. I think I still have a small number spare. > AFAICT, these are version 1 ROMs. Every socket is filled, and they're all > MOS6540s. Drat. Let's hope it's not a ROM fault. Sadly, my copy of "The PET Revealed" with its mostly-legible (!) circuit diagrams, shows the later board with 2332s. But I do have a copy of the MPS6540 pinout somewhere. > Harrumph. Guess which one it has... > > Still, I've no fear of making carriers, etc. - albeit time constraints & > lack of equipment will make it tough right now - at least until I can get > my MicroMAT going. > > >The good news, though, is that I have a > >chicklet-keyboard 2001-N as well, and if necessary, I could probably do a > >ROM dump for you (though IIRC it used to be on the 'net somewhere). I > >wouldn't need to move more than a few hundreweight of stuff to get at it > >;-) > > That might be cool (and *snap* about the tons of stuff, although having > seen your little collection I think you do have rather more to shift about > than me!). However, let me try out the RAM swapping & chip re-seating > first, and if that doesn't fix it, then we'll look into EPROMs & suchlike. OK. Give me shout if you want me to start burrowing. Or come and pay a visit... -- Pete Peter Turnbull Network Manager University of York

23 years, 3 months

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PET 2001 oddity - solved!

by pete＠dunnington.u-net.com

On Jan 18, 13:28, Adrian Vickers wrote: > Turned out to be dead simple; yet another blown 2114. > > I figured the chip @ $0400 (i.e. the start of BASIC) was faulty, seeing as > how the machine wouldn't take a single line of BASIC. So, I swapped the > appropriate bank out to another bank - and presto! BASIC worked again. Good! > Having done this, I then swapped *one* of the two chips (according to the > schematic, there are two chips for each $0400 block of memory - why is > this?) A 2114 is 1K x 4 bits wide, so they're used in pairs to make bytes. -- Pete Peter Turnbull Network Manager University of York

23 years, 3 months

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Maxtor drive goes under

by dwightk.elvey＠amd.com

>From: "Dennis Eldridge" <bones(a)northrock.bm> > >It's always fascinated me how people have such strong opinions of one particular drive manufacturer over another. Commonly one will say that they have a certain make of drive and it's never failed them and they've tried this other one and they're dying left and right, etc. ad nauseum. > >I come at this issue from the perspective of a field service engineer and subsequently independant consultant. The fact is that, particularly with IDE drives, no matter the manufacturer, it's purely the luck of the draw whether one is blessed with a good production run. I get the feeling that, to cut costs, Hi I would say it is true in general that the luck of the draw is the case but having worked for a computer manufacture, I can tell you that at least one manufacture produced a line of drives that were pure junk. Most of the drives would not last a 36 hour running period ( well, not most but about 30% ). This is way beyond luck of the draw. Being a system manufacture, we worked with the drive manufacture on resolving the problem. It was never resolved to any useful level. We finally switched manufactures but it cost us a lot. The fact is that there are lemons out there, by design. The Segate 225's had a stiction problem that wasn't solved until the end of that products line. The drive we were having problems with were 2 and 4 gig drives. These had a servo information corruption problem ( that by design would always fail over time ). Dwight most manufacturers have the QC people working a couple of days a week, and even then they're not exactly the best paid position in the sweatshop. The same goes for cars - you just find the one you're psychologically comfortable with. No bearing on statistical reality, but to the buyer that manufacturer's product will always be superior, and faults will be more tolerable than those of the manufacturer who's product is "in the doghouse" for whatever reason. > >As for Dell going the way of PacBell, etc., well I can only say we've got what we asked for. We wanted cheap computing, we got cheap computing. If they raised their standards and correspondingly their prices, we'd run like heck to the next guy who offered their system for a couple of quid less. If you want a rock-solid system with total manufacturer's support and guaranteed uptime and all that jazz, you'd have to shell out over $50,000 plus support contracts, etc. Just like in the old days of some of the larger systems we discuss on this forum. Just my $12.34 (Like everything else here in Bermuda, my opinion has to be shipped here and customs duty paid <grin>). > >With apologies for the rant, > >Dennis (not Miller :-)

23 years, 3 months

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Hobbled NVAX (was: VXT X terminal question)

by msokolov＠ivan.Harhan.ORG

Antonio Carlini <arcarlini(a)iee.org> wrote: > The VIC can > be disabled by "patching" the NVAX in some dynamic way (presumably > non-reversibly or at least only reversible in an obscure way). I assume the NVAX microcode was patched via its PCS facility by the boot firmware, not by making a different NVAX die with different microcode I hope, right? If so the abomination is to be reversed by reflashing the boot ROM with non-hobbled firmware (stolen from a friend with a non-hobbled machine). They had flash ROMs like all other NVAXen, right? MS

23 years, 3 months

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MV3100 M90 / VAX 4100 (was: VXT X terminal question)

by msokolov＠ivan.Harhan.ORG

Antonio Carlini <arcarlini(a)iee.org> wrote: > The mainboards are the same (i.e. a KA50 *is* a KA52 etc.) Wow! I thought the CQBIC was not populated on the KA50. > and there is a console test that switches the identity > back and forth. Hmm. I do not suppose that this identity flag can be permanently stored anywhere other than in the firmware flash ROM. I'm sure DEC wouldn't want people to suddenly discover that their machine shape-shifts when the NVRAM battery is disconnected. So does this console test actually erase and reprogram a sector in the firmware flash ROM, or is the change only in effect until the next power cycle? MS

23 years, 3 months

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Mac SE/30 accessories availability?

by pete＠dunnington.u-net.com

On Jan 17, 20:19, Brian Chase wrote: > On Fri, 17 Jan 2003, Zane H. Healy wrote: > > > It's not just on a system like that. Earlier this week I got my first SGI > > system, a nice little O2. It's about the crappiest of the O2's, but it's > > still a *very* nice UNIX workstation. I thought that it was doing OK at > > surfing until yesterday when I wanted to check something on gamespot, it > > absolutly crawled to a halt trying to render the pages (well the browser > > did, the rest of the system was nice and responsive). I swear it took close > > to 10 minutes to get to the third page (the one that had the data I was > > curious about). Wow, that must have been some page! I use an O2 at work, and it's generally pretty good -- but some versions of Netscape are definitely "less good" than others. It's worth trying to get a recent version, or as an alternative, I think some versions of Mozila do pretty well. Make sure the O2 has plenty of memory. Adding 128MB made a huge difference to mine. > > I think I'll now run the browser on my Linux box and retarget it to the > > SGI's desktop (at least until I get an Octane). > > I'll wait to get an Onyx. Actually, the Origin 2000s are quite lovely, > too. They're still really off topic for this list. Yes, though so is an O2, really. Actually, an Origin2000 won't run Netscape much better than an O2 unless there's quite a discrepancy in the processors. My Origin2000 (8 x R10K @ 180MHz) can be outdone (for Netscape) by a fast R10K O2. And of course most O2000s have no display. But if I use an old Indigo Elan for the display, it speeds up dramatically, compared to using other displays. -- Pete Peter Turnbull Network Manager University of York

23 years, 3 months

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Update: BBC Acorn

by julesrichardsonuk＠yahoo.co.uk

>> just checked mine again and it's 25-ANC13-1000049 >> >Mine is 25-ANC13-1000034, and Rob O'Donnell said his is 25-ANC13-1000038. well if Rob's was the last then they obviously didn't do a very good job of numbering things :-) Unless Rob's was the last one released by Acorn, but they all sat in storage for a while... > Do either of you think you have a Disc 1 for it? no discs at all I'm afraid :-( hence why I was asking about whther there's a sensible ftp site to put them on so if a working set can be collected at least they can be archived somewhere (the same goes for manuals really, but scanning those would be a major pain I expect!) that used to be the problem - the hardware used to get thrown out but discs would lie around on shelves until someone did a bit of spring cleaning now and then; they would have been trashed seperately and maybe straight into a bin in the office :-( cheers Jules (who has too many systems that don't work for lack of necessary discs :-) __________________________________________________ Do You Yahoo!? Everything you'll ever need on one web page >from News and Sport to Email and Music Charts http://uk.my.yahoo.com

23 years, 3 months

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VXT X terminal question

by Fred.van.Kempen＠microwalt.nl

> > (Jumping on my horse again, making Ultrix run on VS3100 M76 > would take a > > screenful of code. I have the source if anyone wants to > take a stab.) > I have the Ultrix V4.50 source tree [no comment] and will be > porting it to Ugh. Make that V4.20, obviously. Development is done on my V4.5 box.. Shitty thing is, that I probably will also have to run a 4.2 system as a second-step system for bootstrapping, and I dont have a 4.2/vax tk50 or cd set. --f

23 years, 3 months

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About Electronics Questions

by jss＠subatomix.com

With Tony et al as my inspiration, I have recently started to learn electronics. I've been at it a couple of days, and tonight I just had the "aha!" for how high-pass and low-pass filters work. I haven't come across anything yet that has me completely stumped, but if I do, is it appropriate to ask newbie questions about electronics here? I'm supposed to *answer* questions like that, but I just don't know. Typically, I call electronics conversations as on-topic because they are directly relevant to operating classic computers. Newbie questions, however, are more indirect. For another example, we'll help someone with a Windows program that somehow makes his/her classiccmp go, but I doubt we'll bother to teach a person in-list how to double-click. Is electronics any different? -- Jeffrey Sharp

23 years, 3 months

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Mac TV

by xds_sigma7＠hotmail.com

To be honest, if I found a Lisa 1 for 10 bucks I wouldn't accept $1,000 for it.. I'd sell if for maybe a couple hundred, or preferably trade it for car parts/minicomputers/etc. I really wouldn't feel right about getting $1,000 >from another collector for something I got for so little... Now a reseller on the other hand... Will J _________________________________________________________________ The new MSN 8: smart spam protection and 2 months FREE* http://join.msn.com/?page=features/junkmail

23 years, 3 months

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T&B Ansley IDC connectors

by Charles＠socketcom.com

Unless you can find some new old stock you may be out of luck. CW Industries makes the IDCs in the same style but are darker blue than T&B Ansley. See: http://www.cwind.com/ DigiKey lists them in catalog B022 on page 18. I have one, unused 25-pin D female connector with strain relief that you are welcome to. -----Original Message----- From: Jeffrey H. Ingber [mailto:jingber@ix.netcom.com] Sent: Friday, January 17, 2003 4:17 PM To: cctalk(a)classiccmp.org Subject: T&B Ansley IDC connectors Does anyone know where I can aquire the T&B ansley "light blue" IDC ribbon cable connectors that were used by MITS? Googling reveals that Tyco purchased this line of connectors in 2001, but I can't find any mention of T&B Ansley on their web site. Thanks, Jeff

23 years, 3 months

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OT: Maxtor drive goes under

by bones＠northrock.bm

Interesting problem. I remember when I was fixing IBM PC's back in the mists of time we opened up an old 5MB Seagate drive and managed to get it spinning - with our fingers! It continued working quite reliably thereafter for quite some time, IIRC. However, there was another drive we tried that one, but it turned out it had suffered the worst drive crash in history - the RW head was literally *buried* in the disk, as if someone had taken a hammer to it. But it was a completely sealed unit beforehand. If you're desperate, you may try prying it open and twigging the platters. But it may well be more than just the stickies - my experience of late has been that drives are much better protected from that occurrance. Best of luck with that! Dennis

23 years, 3 months

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Mac TV

by cb＠mythtech.net

>To be honest, if I found a Lisa 1 for 10 bucks I wouldn't accept $1,000 for >it.. I'd sell if for maybe a couple hundred, or preferably trade it for car >parts/minicomputers/etc. I really wouldn't feel right about getting $1,000 >from another collector for something I got for so little... Now a reseller >on the other hand... On the Lisa 1 topic... I just found out tonight that I in fact DID used to own a Lisa 1... I had always thought my only Lisa's were 2's and MacXL's (of which I have none any more). I was showing my brother my copy of Collectible Microcomputers, and he looked at the Lisa pictures. He said he always thought the double openings on the Twiggy disks were cool. I asked when he had seen one, and he said that the first Lisa we bought had those drives. I just about started crying. I could stomach the fact that all my Lisa 2's and MacXL's were either traded in or thrown out... but to now know that a Lisa 1 was also scrapped... it just kills me. -chris <http://www.mythtech.net>

23 years, 3 months

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HD quality (was: Maxtor drive goes under)

by mhstein＠canada.com

-----------Original message--------------- Date: Thu, 16 Jan 2003 17:06:29 -0800 (PDT) From: Brian Chase <vaxzilla(a)jarai.org> To: cctalk(a)classiccmp.org Subject: Re: Maxtor drive goes under Reply-To: cctalk(a)classiccmp.org On Thu, 16 Jan 2003, Philip Pemberton wrote: > Dwight K. Elvey wrote: > > The drive we were having problems > > with were 2 and 4 gig drives. These had a servo information > > corruption problem ( that by design would always fail over time ). > > Guess that rules out Kalok then. They bit the big one in 1994, way before > 2GB and 4GB drives started appearing... I'm going to guess Micropolis. Those drives were absolutely crap. -brian. --------------------------------------------- And then there was JTS... Other than Kalok and JTS, the only drives I consistently had problems with were the old ST-200 series Seagates. Mind you, they ran 24/7 for several years, but ultimately all (4 or 5) developed the stickies. Always embarrassing, because the systems were only shut down by me doing some kind of maintenance or mods, the old "but it worked fine until you touched it" syndrome. Fortunately, all they needed was a little prying & twisting with a small screwdriver on the spindle to free them up, and remarkably, they worked fine again with no problems or errors (to my great relief, and until the next time I shut them down). No problems with the old miniscribes though, still have a box full, all working, and no unusual failure rates with Micropolis either; it really is a matter of personal experience, not very meaningful statistically. And Philip, I'm going to write you directly about that paper tape stuff as soon as I sort it out; promise! mike

23 years, 3 months

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IBM 5322

by xds_sigma7＠hotmail.com

My bad, forgot to say that you should choose the "inactive hardware product descriptions" box and then type 5322 in the "product number" box... The general search works too, for example type in System/3.. I was amused by the "System/3 Law Enforcement System".. must have been for a pretty small cop shop! Will J _________________________________________________________________ MSN 8 helps eliminate e-mail viruses. Get 2 months FREE* http://join.msn.com/?page=features/virus

23 years, 3 months

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Ampro cards

by rigdonj＠cfl.rr.com

I recently picked up two Ampro computer cards. I think they're PC/104 cards but I'm not positive. Your A60707 is the CoreModule XT Plus (CPU card). The other board is the MiniModule FSS, which is Floppy/SCSI/Serial controller. Does anyone have manuals for them? Ampro has a website but there's nothing on there about these cards and Ampro tech support hasn't been any help beyond id'ing the cards. Joe

23 years, 3 months

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T&B Ansley IDC connectors

by jingber＠ix.netcom.com

Does anyone know where I can aquire the T&B ansley "light blue" IDC ribbon cable connectors that were used by MITS? Googling reveals that Tyco purchased this line of connectors in 2001, but I can't find any mention of T&B Ansley on their web site. Thanks, Jeff

23 years, 3 months

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VXT X terminal question

by msokolov＠ivan.Harhan.ORG

Jim Strickland <jim(a)calico.litterbox.com> wrote: > Which one was the M76? Umm, the one that says "VAXstation 3100 M76" on the front. I'm not sure how else to specify it. It scribbles KA43-A on the console on power-up. MS

23 years, 3 months

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cctalk digest, Vol 1 #391 - 45 msgs

by sml49＠attbi.com

> Date: Fri, 17 Jan 2003 18:48:13 +0100 > To: cctalk(a)classiccmp.org > Subject: Mac SE/30 accessories availability? > From: Adrien Farkas <freddy(a)kotelna.sk> > Reply-To: cctalk(a)classiccmp.org > > Hello, > > I'm owner of Mac SE/30 (asked regarding broken CRT tube a while ago). > Can aynone supply me with a list of accessories that can be inserted > into the slot? www.apple.com didn't help me very much, and the only card > I saw is 10base2/10baseT ethernet. are there any videocards for se/30? > or some other equip? > There definitely are video cards of several sorts that will work in that slot - some dedicated to use with specific monitors (ie: Radius); there's one which provides gray-scale functionality on the SE30's internal monitor. Check out <<lowendmac.com>> for info on all old Macs - in detail. I don't recall anything other than accelerators, Enet cards and video cards that were made for that slot but I could well be wrong. Seth Lewin

23 years, 3 months

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Osborne OCC1

by acme＠ao.net

Thanks for sending 'em Bob, but I already have the Tech Manual here. Also, my home-brew email client throws out attachments (and html code ;>) Glen 0/0 From: Feldman, Robert <Robert_Feldman(a)jdedwards.com> To: Glen Goodwin <acme(a)ao.net> Subject: RE: Re: Osborne OCC1 Date: 01/13/2003 2:09 PM > Attached is a ZIP file with two JPEG images that are scans of pages from the > Osborne 1 Technical Manual that relate to the PS and wiring. They might be > useful to you. > > Bob > > -----Original Message----- > From: acme(a)ao.net [mailto:acme@ao.net] > Sent: Friday, January 10, 2003 4:03 PM > To: cctalk(a)classiccmp.org > Subject: Re: Re: Osborne OCC1 > > > From: Joe <rigdonj(a)cfl.rr.com> > To: Glen Goodwin <acme(a)ao.net> > Subject: Re: Osborne OCC1 > Date: 01/08/2003 7:55 AM > > > I recently had an OCC-1 that blew something in the PSU. That odd thing > was > > at it kept working! I wasn't really intersted in it so I gave it to Glen > Good > > . I expect that he'll troubleshoot/repai > > r it soon. > > Okay, Joe, I get the hint ;>) I'll take a look at it this weekend -- should > be > a quick and easy fix. > > Later -- > > Glen > 0/0 > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > ------_=_NextPart_000_01C2BB23.FD2CA5E6

23 years, 3 months

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VXT X terminal question

by msokolov＠ivan.Harhan.ORG

Antonio Carlini <arcarlini(a)iee.org> wrote: > Just to nitpick but although the UV3100-80 is indeed > based on the Mariah chipset, the UV3100-85 and > UV3100-88 are both NVAX-based IIRC. The -85 has the > NVAX VIC disabled by the console during initialisation. > I forget whether the -88 was slugged in the same way or not. Thanks for filling us in on the dirty secret. I thought DEC learned their lesson with VS II/RC. (Suddenly everyone needed a replacement BA23 backplane...) DEC is still my favourite hardware vendor of all time, but this artificial hobbling of hardware is a real black eye for them. Think about hobbling the (perfectly standard and generic) KA410 SCSI port to only one TK50Z drive, or the "strategic decision" to make VS3100 M76 run only VMS and not Ultrix. (Jumping on my horse again, making Ultrix run on VS3100 M76 would take a screenful of code. I have the source if anyone wants to take a stab.) MS

23 years, 3 months

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Looking for : Sharp PC-1405

by liste＠artware.qc.ca

Or equiv (Tandy had them as PC-2 or something, iirc). The goal of my classic collection is to get one of every computer I've programmed over the years. One of the first computers I programmed was a PC-1405 (actually, I can't remember the exact model). I found one of these in a pawn shop. By brother "stole" it. I found another. This was my one classic computer that was helluva useful. So useful I took it with my places. And, well, I've just lost it. I've checked eBay and there are a few Sharp Pocket Computers, but W@W L@@K @ T3H PR1C3Z! Buy it now for "only" 300 USD! http://cgi.ebay.ca/ws/eBayISAPI.dll?ViewItem&item=3000156764&category=15030 So, does anyone here have one they don't need and/or would be willing to let go for a reasonable price? -Philip

23 years, 3 months

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Update: BBC Acorn

by pete＠dunnington.u-net.com

On Jan 17, 20:02, Jules Richardson wrote: > just checked mine again and it's 25-ANC13-1000049 > > have lost the original post from the person who had the last unit to see where > that fits into the scheme of things. :-( Mine is 25-ANC13-1000034, and Rob O'Donnell said his is 25-ANC13-1000038. Do either of you think you have a Disc 1 for it? -- Pete Peter Turnbull Network Manager University of York

23 years, 3 months

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DEC VT320 compatible PLANAR ELT320 FLAT PANEL TERMINAL

by whdawson＠localisps.net

Came across this on eBay. No bids yet: PLANAR ELT320 FLAT PANEL TERMINAL w/ EXTRA'S THE ELT320 IS AN ALPHANUMERIC VIDEO TERMINAL WHICH IS FUNCTIONAL COMPATIBLE WITH THE DEC VT320 TERMINAL AND ALSO INCLUDES NUMEROUS ADDITIONAL ADVANCED FEATURES. THIS TERMINAL CAN OPERATE ON-LINE TO A HOST SYSTEM OR THE HOST CAN BE PUT ON HOLD SENDING YOUR INPUT INTO PAGE MEMORY OF THE TERMINAL. THE TERMINAL STORES DATA RECEIVED FROM THE HOST, UNTIL YOU PUT IT BACK ON-LINE. AS IS THE CASE WITH ANY OTHER EMULATOR, THE ELT320 HAS SOME MINOR VARIANCES. THIS PACKAGE INCLUDES: PLANAR ELT320 FLAT PANEL TERMINAL MODEL # ELT320-P1 PLANAR SERIAL CABLE INSTALLATION AND USER'S GUIDE $19.99 opening bid, $14.00 S/H http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=11218&item=2301790285 Bill

23 years, 3 months

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Mac SE/30 accessories availability?

by healyzh＠aracnet.com

> Zane H. Healy wrote: > > > There was at least one video card made for the SE/30, I've got one in mine, > > and I've got a SCSI-to-Ethernet adapter for network access. > > I remember the first Mac I used back in '89 was an SE/30 with a > grey-scale (8 bit) card made by RasterOps. It had a grey-scale monitor > to go with it too. That was when the Apple LaserWriter had more RAM than > the machine that was printing! Aaah, the smell of ozone. > > Simon I'm pretty sure the video card I have is colour, however, I've only actually hooked it up once, and that was years ago. What can I say, I got the SE/30 for it's small footprint and fast[1] processor, I didn't care that it had a video card in it, I needed the ethernet more. Zane [1] Of course fast being relative to the app, and at the time my primary system was a PowerMac 8500/180. Still the SE/30 with MS Word 5.1 makes a great word processor!

23 years, 3 months

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Mac SE/30 accessories availability?

by freddy＠kotelna.sk

Hello, I'm owner of Mac SE/30 (asked regarding broken CRT tube a while ago). Can aynone supply me with a list of accessories that can be inserted into the slot? www.apple.com didn't help me very much, and the only card I saw is 10base2/10baseT ethernet. are there any videocards for se/30? or some other equip? Cheers, -- freddy ...for more info 'finger freddy(a)kotol.kotelna.sk'

23 years, 3 months

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Update: BBC Acorn

by pete＠dunnington.u-net.com

On Jan 17, 17:26, Philip Pemberton wrote: > pete(a)dunnington.u-net.com wrote: > > I finally remembered to check mine. It's 23-ANC13-1000034. All Acorn > > retail product serial numbers of the era are of that form. The 25 > > tells where it was made, ANC13 is the product code, the rest is a > > serial number, which always starts at 1000000 for production systems > > or factory prototypes. So my Archimedes 310 is 27-AKB10-1000002, my > > 440 is 27-AKB20-1000614, and my A3000 is 27-AKB01-1000028. > Now that's interesting. My Master 128 carries the serial number > 01-AMB15-0053025. Which means I've either got the -946975th machine to be > made by Acorn, their labelling kit malfunctioned, or my M128 is the 53025th > Master 128 to leave Acorn's factory. Ah, well. At least it hasn't got the > serial number 13... I wrote "of the era". Your Master predates ARM systems by a few years. My oldest Beeb is 0000672. And will the ***** who borrowed it please return it, if you're reading this? -- Pete Peter Turnbull Network Manager University of York

23 years, 3 months

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Update: BBC Acorn

by pete＠dunnington.u-net.com

On Jan 17, 8:01, Philip Pemberton wrote: > BTW, does anyone know what the small raised bar on > the EPROM sockets is for? The early cartridges were made with a form of low exteaction force sockets -- a kind of poor man's ZIF, designed to make it easier to extract the ROMs. You've probably got those. You put a small screwdriver blade in, against the bar, and twist (only when there's a chip in the socket!!) > BTW, has anyone got a spare BBC Master Series User's Manual? The one that > covers the Master 128? It's called the Master Series Welcome Guide. No, I'm not parting with mine just yet :-) > I'd also like to find out what ROMs the > ROM cartridges will accept - I've used 27128s and 27256s, anyone know if > anything else will work? AFAIR, 2732s should work, 2764s certainly work, and then up to 27128 is officially supported. You can use 27256s and *possibly* 27512s if you program them appropriately. -- Pete Peter Turnbull Network Manager University of York

23 years, 3 months

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VXT X terminal question

by msokolov＠ivan.Harhan.ORG

Jochen Kunz <jkunz(a)unixag-kl.fh-kl.de> wrote: > VIC??? Virtual Instruction Cache.

23 years, 3 months

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VXT X terminal question

by msokolov＠ivan.Harhan.ORG

Jochen Kunz <jkunz(a)unixag-kl.fh-kl.de> wrote: > Sorry, no. The m76 has a Rigel. Yes. > Looks so. It seams to support only NMOS-VAX (VS2k), CVAX (VS3100 > m30/38/40/48) and maybe SOC. I think SOC is the CPU in the VXT2k. Yes, VXT2000 has SOC. Last night I finally downloaded the whole VXT software and ran strings(1) on the VXTEX image, and I see mention of three machines: VS2000, VT1300, and VXT2000. VT1300 is the CVAX-based KA42-A, the same system board as in VS3100 M30. Fred N. van Kempen <Fred.van.Kempen(a)microwalt.nl> wrote: > It might run on the 3100-M38, although I believe > that's a "non" 3100, too. VS3100 M38 differs from VS3100 M30 (which is the same hardware as VT1300 except for the latter lacking the mass storage controller board) only in speed (M30 has 90 ns cycle time giving you 2.8 VUPs and M38 has 60 ns cycle time giving you 3.8 VUPs). VS3100 M30 is KA42-A and VS3100 M38 is KA42-B. The difference between the two boards are a different crystal oscillator, KA42-B has chips rated for higher speed, and a byte or two in the ROM is twiddled. > I would assume that they kept the CPU > support library as small as possible, meaning only the generic series > of machines they "sortof" intended the VXT software set for, i.e. the > 2000, 3100 and alike systems and their hardware features (as needed.) This is all true, but I'm still wondering about VS3100 M76. Although it has a different CPU chip (Rigel), other than knowing about its SID code, supporting a different CPU chip entails nothing more than slightly different cache control and machine check handling. In every other way VS3100 M76 (KA43) was designed to be a direct successor to earlier models (KA42). In particular all hardware other than the CPU chip, i.e., what the bulk of system code is concerned with, is absolutely unchanged. But the million dollar question remains: what will the existing VXT boot image do upon detecting SID top byte equal to 0B? Will it scream and give up, or will it treat it as a VS3100/VT1300? > Yup, it's basically some "NanoVMS" kernel, with minimal runtime and a > VMS DECwindows subset. Are you sure it's based on VMS and not Ultrix? Doing strings(1) on the VXTEX image showed a few bits that bring Ultrix to mind. Of course any Ultrixisms would not be in M76's favor, as DEC had the stupidity to make Ultrix not run on M76, almost artificially I have to say. Having a copy of the Ultrix V4.20 sources has given me the pleasure (and disgust) of seeing just why. Its CPU type determination logic simply assumes that everything with a Rigel CPU must be a VAX 6400! So when you try to boot it on a VS3100 M76, it goes looking for XMI... If that logic were tweaked to treat KA43 as KA42, it would have probably worked. (And if someone added a couple dozen lines to the KA42 code to handle Rigel/KA43 machine checks and cache ops, it would have worked solid.) > Which means (methinks..) that it most likely > wasnt stripped from its GPX and SPX(+) drivers. Not most likely, but absolutely certain. VXT2000 video *is* SPX, so it has to have the SPX driver. VT1300 was color, so it had to have some add-on video board, and I think it was GPX, not SPX. Oh, and it works on VS2000, which would certainly have GPX and not SPX. So both GPX and SPX drivers are most certainly there. The only concern is that if the real DEC VT1300 indeed had GPX and not SPX, would it accept a VS3100 with SPX. It should unless some asshole artificially blocked the SPX driver in the VT1300 configuration. (But the latter possibility seems unlikely given how they even supported VS2000.) > Dang! Now you got me curious. I have all three (2000,M38 and M76) so > will set them up tonight or tomorrow and see what they do. I would greatly appreciate a test on VS3100 M76. I want to put together my own VXT X terminal and I'm inclined to do it on a VS3100 rather than VXT2000 hardware. If I could use an M76 instead of M30 or M38, it would be great. MS

23 years, 3 months

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Update: BBC Acorn

by julesrichardsonuk＠yahoo.co.uk

>>I just checked - mine's S/N 0184 according to the label where the cable comes >>out. If that started at 0 I guess they made a few... > >Hmm. That sounds like the PSU serial number. Mine is 0119. I have another >white >sticker on the underside o the box itself, full number >25-anc13-1000038. (Which matches the format of the computer serial numbers.) sorry - my mistake. I saw the s/n label and figured that was the main number for the whole unit. just checked mine again and it's 25-ANC13-1000049 have lost the original post from the person who had the last unit to see where that fits into the scheme of things. :-( cheers Jules __________________________________________________ Do You Yahoo!? Everything you'll ever need on one web page >from News and Sport to Email and Music Charts http://uk.my.yahoo.com

23 years, 3 months

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ADMIN: What if ClassicCmp were a blog?

by jss＠subatomix.com

In my quest to cover every aspect, to think about every permutation of what ClassicCmp *could* be in the future, I have yet another question to ask ClassicCmp subscribers: What if ClassicCmp were a weblog, in the style of Slashdot or Kuro5hin? I know many of you hold /. in disdain for whatever reason. I am not talking about emulating the /. culture; I'm speaking only of its infrastructure, purely in terms of being a web app for thread-based discussion. The basics, as they apply to ClassicCmp, are: - Posting and reading of messages would be doable from a web browser. An email interface could be developed, but it wouldn't be the primary method of participation. - You would have an account with a username and password. - Your account would be used for other features on the site, such as access to a data archives, using to a buy-and-sell arena, or moderating others' posts. Right away, I see several benefits: - Members can participate from any computer with a web browser. Even lynx. - Anonymity and privacy can be more well-respected. The 'sender' of a post is your username, not your email address. A system can be implemented where another member can discover your email address only after you give them permission to do so. - Moderation could be less the subjective task that it is now, and more of a distributed, many-eyes process. Imagine if you could vote on a post's on-topicness on a scale of 1 to 5 (1=off-topic, 5=on-topic). Imagine if you could set a minimum viewing level to screen out posts that were too far into the OT side of the spectrum. - There's no worry about HTML, attachments, wierd character sets, spam, virii, or cctech moderation delay. - Your inbox receives less clutter. You spend less bandwidth on mail. - With thread titles on the front page, casual web visitors will be more tempted to subscribe. - It scales well as more members join and start posting. - The forum *is* the archive. - Features you want can be added in code, quickly. The current setup is great for turn-key mailing lists and such, but it is tough to extend. The bad points I see are: - It's a huge change from the status quo. We may lose some members. - Some people may find mailing lists more comfortable. Of course, an email interface to the weblog could be developed. My opinion: It's a good idea that I can implement in just a few months. What is your opinion? Let's answer this one in-list, please. -- Jeffrey Sharp

23 years, 3 months

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Mac Color Classic available.

by vcf＠siconic.com

See below. Reply-to: gwilson188(a)earthlink.net -- Sellam Ismail Vintage Computer Festival ------------------------------------------------------------------------------ International Man of Intrigue and Danger http://www.vintage.org * Old computing resources for business and academia at www.VintageTech.com * ---------- Forwarded message ---------- Date: Sat, 21 Dec 2002 16:54:06 -0800 From: glwilson <gwilson188(a)earthlink.net> To: donate(a)vintage.org Subject: FW: Potential Donation I had to change my account due to a trashing. Please resond to glwilson00(a)earthlink.net. Thanks! Gloria > -----Original Message----- > From: Gloria Wilson [mailto:gloriawlsn@earthlink.net] > Sent: Wednesday, December 11, 2002 6:12 PM > To: donate(a)vintage.org > Subject: Potential Donation > > I have a Mac Color Classic, with all the originial manuals and software, > one owner, in mint condition. It has the original 80MB HD, and 12MB ram, > of which 10MB is recognized by the OS. It has an external 45MB GCC > 40Ultra Drive, SCSI I interface, also in working order. I also have a > Bernoulli Transportable 150MB RCD (removable cartridge disk) unit, with > several functional RCD's. That was the precursor to IOMEGA Zip drives, but > reliable enough for Military use. It interfaces with either Mac or Dos > SCSI I. If there is any interest, please let me know how to proceed. > Gloria Wilson

23 years, 3 months

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ADMIN: What if ClassicCmp were a blog?

by acme＠ao.net

From: Jeffrey Sharp <jss(a)subatomix.com> Date: 01/15/2003 11:56 PM > Surely anything that can run a mail client can run lynx... False. The two systems I use for email do not support VT-100 emulation (AFAIK) hence no Lynx on my email machines (the Kaypro 10 which I'm using to compose and send this message, and a Zenith Z-100). Glen 0/0

23 years, 3 months

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Mac TV

by cb＠mythtech.net

>D'Oh! I thought the Mac TV was a stripped-down Mac with AV in and AV out, in >fact I recall seeing something on a website somewhere about a prototype Mac >similar to what I have described. It was all-black with a plastic front >panel and a metal top cover, not too unlike a Grundig GDS100 "SkyDigibox" >digital satellite receiver. IIRC the machine was a Mac with custom boot >ROMs, so it wouldn't run Mac OS. IIRC the hardware was near totally custom, >too so swapping out bootROMs was not really an option. Oh, and the ROMs were >on SIMMs. Again, IIRC... Sounds like you are describing the Apple Set Top Box. A wonderfully useless peice of hardware. This box does in/out as it is a sort of cable TV tuner/interactive TV device. But, as far as I know, there are no functional units in existance. I think this is due mostly to the fact that they needed to be connected to a special "server" of sorts to do anything. Mine powers up, and does nothing from there (I can get a quick pop of audio on occasion, but nothing more). I have heard rumor that some have gotten a blue screen to be displayed, but really every one that I know about does the same as mine... powers on and sits doing nothing. The intent of them was to make an interactive TV unit for schools and other groups. They never made it past the testing stage, and it would seem that although a good number of the boxes made it into the public, the server unit to make them do anything did not. And these boxes I would think are also PAL compatible, at least mine has SCART connectors on the back. They are covered by Do Not Remove stickers, but the connectors appear to be there anyway. I think Tom Owad had some info on them onhis AppleFritter site. If anyone knows how to get one to do something, I'd be interested to hear... and if anyone wants one, for a while there was someone selling them on eBay, opening bid of $9.99, and I think most were closing with no bids. (I got mine at a garage sale for $5... some poor kid went off to college, and his mother was selling off everything he had, tons of old toys, baseball cards, and odd computer parts. I'm sure he was NOT happy when he came home for break!) -chris <http://www.mythtech.net>

23 years, 3 months

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Sellam's relief valve (no doubt well lubricated :)

by mhstein＠canada.com

---------------------Original message------------------- Date: Thu, 16 Jan 2003 19:25:57 -0600 (CST) From: Doc Shipley <doc(a)mdrconsult.com> To: Classic Computers Mailing List <cctalk(a)classiccmp.org> Subject: Re: (no subject) Reply-To: cctalk(a)classiccmp.org Sellam, Sometimes you just need to shut the fuck up. I generally just delete and move on, but it gets to me. This mailing list is not your personal relief valve. The fact that you have a keyboard really *doesn't* entitle you to insult at will. Grow up, man! Doc --------------------------------------------------------------- Whoa! What'd he say? Ya shoulda copied the offensive remarks. mike

23 years, 3 months

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About Electronics Questions - and Thanks!

by mhstein＠canada.com

--------------------Original message------------------ From: ard(a)p850ug1.demon.co.uk (Tony Duell) Subject: Re: About Electronics Questions To: cctalk(a)classiccmp.org Date: Thu, 16 Jan 2003 21:36:13 +0000 (GMT) Reply-To: cctalk(a)classiccmp.org <snip (of some wonderful sarcasm!> e.g.: Cleaning-plastic(a)classiccmp.org Love it! More seriously, one of the great things about classiccmp is that it _is_ one list, and all sorts of loosely-related discussions go on here. I've learnt a lot from threads about machines that I am not particularly interested in... -tony ------------------------------------- Couldn't agree more! I'm on the digest list, and download several times a day to read my email off-line. If I have time, I read the entire digest and have indeed learned a lot from posts I wouldn't normally be interested in and often skip over when I don't have time. Let's not get too fussy about what's OT and what's not. Actually, except for the recent digression about muscle cars, it's been pretty civilized lately; thanks guys (and gals, although the ladies have never been a problem :) And while I'm at it, I'd like to sincerely thank Tony for all the useful tips and information he's given us; as he mentioned, he often takes considerable time to look things up, and we should all show our appreciation. Also to Don Maslin for his generous help with obscure disks, Grumpy Old Fred for a lot of his tips, and everyone else who's taken a little extra time and made an extra effort to help us all out in some way. Thanks, guys (and gals)! But if there's a way to strip the HTML from the double-format messages, that'd be a good thing. mike

23 years, 3 months

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Update: BBC Acorn

by pete＠dunnington.u-net.com

On Jan 15, 22:40, Rob O'Donnell wrote: > At 17:05 16/01/2003 +0000, you wrote: > > > > ARM Evaluation Kit > > > >I just checked - mine's S/N 0184 according to the label where the cable comes > >out. If that started at 0 I guess they made a few... > > Hmm. That sounds like the PSU serial number. Mine is 0119. I have another > white > sticker on the underside o the box itself, full number > 25-anc13-1000038. (Which > matches the format of the computer serial numbers.) I finally remembered to check mine. It's 23-ANC13-1000034. All Acorn retail product serial numbers of the era are of that form. The 25 tells where it was made, ANC13 is the product code, the rest is a serial number, which always starts at 1000000 for production systems or factory prototypes. So my Archimedes 310 is 27-AKB10-1000002, my 440 is 27-AKB20-1000614, and my A3000 is 27-AKB01-1000028. A in ANC says it's Acorn hardware (S for Acornsoft), N for the BBC Micro series of machines (M for Master, D for Compact, K for Archimedes, E for Econet, etc), C says it's a processor peripheral (A for model A, B for Model B, F for peripheral, etc), 13 is a model code. The third letter and the first digit change for variations, so a Model B is ANB02, with disk interface factory fitted ANB05 (IIRC), Master 128 is AMB15, and so on. A Domesday system or "BBC AIV System" (a Master 128 plus interfaces, trackerball, LV player and disks) is AVC11. -- Pete Peter Turnbull Network Manager University of York

23 years, 3 months

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Motorola VME cards

by pat＠purdueriots.com

I've just run over probably 100-200lbs (45-90kg) of Motorola VME cards... >from 68010 processor cards, to memory, and I/O cards. Now, there's not chance I would want to hold on to these, so I'm wondering if anyone else is interested in some of the cards. I can't guarantee anything now, just tell me if you're interested or not. I'll try to get some cards to whoever is interested. I haven't looked at the cards much yet, so I don't exactly know what's there for I/O and memory cards. There might also be a power supply or two and maybe an intact backplane bus card (the few I saw were snapped in half). Pat -- Purdue Universtiy ITAP/RCS Information Technology at Purdue Research Computing and Storage http://www-rcd.cc.purdue.edu

23 years, 3 months

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ADMIN: What if ClassicCmp were a blog?

by mbg＠TheWorld.com

I certainly hope that classiccmp does NOT go the direction of a browser based forum... I don't know about others, but I don't like having to use browsers to read newsgroups. I prefer reading and responding to individual messages through mail. Also, I'm not always at a machine at which I can run a browser... Finally, even at some of them which do, the software can't handle the overhead of browser pages and the system freezes... Please keep it as it is... (just my $.02) Megan

23 years, 3 months

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OT: Maxtor drive goes under

by spectre＠stockholm.ptloma.edu

I believe Sellam was cursing at a Maxtor drive a couple months back, and now I know why. The 60GB ATA/133 DiamondStar in my Power Mac 7300 (connected through a Sonnet Tempo Trio) this evening made several hiccup-like noises and the computer froze up. On the next power cycle, it didn't spin up and just sat there and clicked. I suspected stiction (well, I prayed it was stiction) and tried reorienting it and a few gentle taps. On the next power cycle, it didn't even click anymore and made occasional soft grinding noises, and now it doesn't even do that. So, I'm typing this on my Power Book 1400, which I guess will be my desktop system for the time being. Any suggestions for ways to get it to spin up, one last time? Anyone know what happened? I thought it had been a power problem because it made some sounds like this a few weeks ago and replacing the power cable did seem to cure it, but I'm mystified as to why it would die so fast. The drive was not especially hot and it has plenty of ventilation. I guarantee you my next drive will not be a Maxtor. Sorry for the OT -- just looking for any desperation suggestions before I make a new hard drive platter wall clock. -- ----------------------------- personal page: http://www.armory.com/~spectre/ -- Cameron Kaiser, Point Loma Nazarene University * ckaiser(a)stockholm.ptloma.edu -- Son, God's going to use you. Until He does, take this pill. -- Mark Lowry --

23 years, 3 months

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Caption Competition! (bit OT)

by pete＠dunnington.u-net.com

On Jan 16, 18:31, Tim Myers wrote: > That looks a lot like the old Prestel Viewdata terminal I used to have. > 1200/75 baud modem, I believe it was badged by Royal Bank Of Scotland > for their Prestel banking service. It's the father of that terminal. The BoS terminal is a badged successor and is quite a lot smaller, about the size of a Sonclair Spectrum, and blue in colour. BTW, I expect you mean Bank of Scotland, not Royal Bank. -- Pete Peter Turnbull Network Manager University of York

23 years, 3 months

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Update: BBC Acorn

by julesrichardsonuk＠yahoo.co.uk

> > ARM Evaluation Kit - yep - that's the one. I do have various discs and > I can copy the six disks for you, but as I mentioned in previous post, my > Disc 1 has a corrupt track. is there some sort of ftp site or something for BBC stuff that disk images could go on? It'd be nice if they were archived somewhere so they (hopefully) won't get lost! how big is a track? trying every possible permutation of bytes you'll get a working disk eventually ;-) > Most of the Acorn add-ons came in the same housing. All the Second > Processors (6502, Z80, 32016) and the Universal Second Processor box (so > you could use Master Series upgrades like a Turbo, Master 512 80186 CoPro, > or the Scientific), Teletext Adaptor, Prestel Adaptor, IEEE Interface, and > probably others. hmm, the Z80 and IEEE units both ring bells - could have been either one of those (or both). I'm feeling a little motivated to wade through all my junk and see what I have got now, plus have a look at the serial number of the ARM box... > :-) In my earlier reply, I was thinking of rather older Ferranti > computers. At least a decade older, maybe two... ha ha - thought you probably were. I don't know much about the history of Ferranti unfortunately. cheers Jules __________________________________________________ Do You Yahoo!? Everything you'll ever need on one web page >from News and Sport to Email and Music Charts http://uk.my.yahoo.com

23 years, 3 months

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Bunch of XT parts available

by 3sdiarftt02＠sneakemail.com

Does that fact that I'm in Australia rule me out? I could probably do with a couple of interesting 8-bit ISA cards for an Amstrad PC-20 I want to mod. Do you, in fact, does anyone have one of those old hard-drive-on-a-card things that still works? And possibly a sound card might be interesting for the second slot. Again, something big would be cool, as the cards stick out of the case on the PC-20. LAPC-1? Or maybe a big RAM expansion card. I used to have an old 1MB Expanded Memory RAM card for my first XT. Was there ever a processor upgrade card for 8-bit ISA? TIA, Chris J. > Norm wrote: > > I have a bunch of, I believe, XT parts available. For example ISA > hard disk > controllers, serial port and parallel port boards and cables > available for > trade. Drop me an email it you are looking for something specific.

23 years, 3 months

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Caption Competition! (bit OT)

by avickers＠solutionengineers.com

See: http://helmies.org.uk/images/cap_comp.jpg Then come up with an amusing/apposite caption :) Bonus points for anyone who can identify the make/model of machine she's actually using. HINT: this photo was published circa. 1983, and is almost certainly British. -- Cheers, Ade. Be where it's at, B-Racing! http://b-racing.com

23 years, 3 months

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Utter eBay Madness (was help w/pricing)

by loedman1＠juno.com

>>Would that be traction or stationary ? >> Rich Stephenson >Don't leave out steam engines as in steam locomotives, railroad equipment... >Will J Will, If you happen to have Dish Network satellite service, I highly recommend two shows on RFDTV Classic Tractors and Trains and Locomotives. Nothing like a good dose of steam to make you feel better. Rich

23 years, 3 months

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(no subject)

by cb＠mythtech.net

>For instance, everyone take Mickey Mouse and do something with it: make a >new cartoon, introduce new characters based on him, write new stories, >draw him in porn, etc. If thousands of people did this and disseminated >it over the web, Disney wouldn't be able to do anything about it but turn >to the courts. The courts would have a mess on their hands because the >only recourse would be to shut the internet down. It could force the >issue. Maybe. It's an idea. You really think the courts won't try to shut the internet down? Have you not been following the RIAA and the MPAA's battle over P2P sharing... that is EXACTLY what you are saying to do. Violate copyright on a massive scale, and see what they do... the DMCA and other crazy laws are what they do. The real solution is for someone to grow a brain, and revise what is determined as needing a copyright. I personally have no objection to Disney keeping MM in their control. They still actively develop new stuff using the character. I think it is quite fair for them to have exclusive control over MM (and other things). But what needs to be done is revise copyright, so things that are in use (and REALLY in use) can be protected, and the rest of the stuff that has been abondoned will go public domain. This way, the junk the companies don't actively use or care about, can be opened up for others to take advantage of, rather than being caught up in the middle of the wars over the handful of stuff that is still used and desired to be protected. And that's all I will say on this about to be wildly out of control topic. -chris <http://www.mythtech.net>

23 years, 3 months

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Michael Nadeau's Collectible Microcomputers book

by cb＠mythtech.net

I'm just putting this out there, because I feel like it. I got my copy of Michael Nadeau's "Collectible Microcomputers" book in today. I have to say, I think it is well worth the price. The pictures alone were worth the $30. I bought mine directly from him (something I like to do when possible anyway... in the hope that it puts an extra dollar in the author's pocket) I spent a solid hour going thru it today at lunch. Just a basic skim over it (well, ok, an hour's worth of skimming), and I just found it to be a great memory kick. So many computers that I forgot about that I had at one point either seen, played with, or heard of. I was also kind of interested that in my basic scanning, it struck me that an odd number of small computer companies were from New Jersey... weird (or maybe the NJ ones just stood out to me more). I also enjoyed reading the details about how some of these things came about, and of course, like any junky, just reading the specs on each computer (and looking at the dates these things were released). It is mostly a field guide, so if you are looking for a story book, this ain't it... but if you are looking to see a pretty decent list of computers, specs on them, and many many pictures of them... ya can't beat it. Think of it as the computer geek's version of a bird watchers guide book. Its also just a great book to open at random, and thumb thru. Makes it good "kill a few minutes waiting" book. So this is my basic positive review for the book. I just wanted to give an opinion other than Sellam's. (Nothing against his opinion, but I try to watch where reviews come from, and when someone says something is worth buying, and they are also selling that item... I take that into consideration when I give their review weight). If anyone hasn't bought it, and was waiting to hear other opinions, well, you now have mine... I like it... its getting a prized spot in the magazine holder in my bathroom (yes, that is a good thing... I do all my best reading on the can). My wife on the other hand hates it... I have done nothing but whine all night to her about different computers I now want to track down and get. She has already threatened to hide the book on me. -chris <http://www.mythtech.net>

23 years, 3 months

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Caption Competition!

by ejchapel＠attbi.com

"Before I wore my fingers down to the nubbins, typing was soooo much easier with my left hand..."

23 years, 3 months

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Archived digests?

by mhstein＠canada.com

Hi Jeffrey et al: Forgot to empty my mailbox, it filled up and I missed a few digests; with the previous system I could retrieve the missed messages, but am apparently too dense to figure out how with the present system. Help? mike Any nitwit can understand computers, and many do. - Thodor Nelson, Computer Lib & Dream Machines.

23 years, 3 months

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