test-drb

test-drb@ccmp.vtda.org

101090 discussions

by aijones2＠bsu.edu

> > It also uses the same GIO bus as the R3K, different from the Indy's one. > My point is that the CPU is only one part, of several. To say that > makes the R4K Indigo like an Indy is like saying an R5K Indy is like an > O2 :-) It's a question of emphasis, I suppose. > Yes, there's lots more than the CPU. The Indy and Indigo R4k share a lot more than just a CPU. To build on your example, the Indigo R4k, Indy R4k, and Indy R5k all have gio32bis slots. The Indigo R3k supports only gio32. The O2 supports neither. :)

18 years, 6 months

WTB/WTT S-100 Chassis (UK/Europe only)

by james＠attfield.co.uk

Date: Tue, 30 Oct 2007 04:57:19 -0400 From: M H Stein <dm561 at torfree.net> Subject: WTB/WTT S-100 Chassis (UK/Europe only) ------------Reply: I have several IMI 20MB (and 5MB) drives, but they're also on the wrong side of the Atlantic (Toronto). Also, I'm not sure at this point how many are still working reliably or how many I can spare (if any). I have scrapped a few though, so if you happen to find an ST-412/506 version (they were used in some PCs) I could probably send you the PCBs to convert it. Why not just build a nice custom case & PS? mike ------------------------------ Hi Mike, glad to see they are still around to be had. Shipping a 20Mb IMI wouldn't be as bad as shipping a Z2D lol Nice tip on the PC drives although I believe I have only ever seen Seagate, Rodime, Micropolis, IBM etc. but I'll look more carefully from now on. Please keep me in mind, though, as soon as I have a chassis of some sort organised I'll want to run up the WDI-II (was a working pull from my old CS1-H, no longer with me, along with the DPU , 16-FDC and 256KZ) and get Cromix back on the go. Jim

18 years, 6 months

10 Sector Hard sectored disks.

by dkelvey＠hotmail.com

> From: ard at p850ug1.demon.co.uk> > > Has anyone made any kind of jig to physically punch holes? I am> > thinking about destroying a somewhat damaged disk drive to get enough> > parts to build a jig but wasn't sure what kind of mechanical accuracy I> > need to get the hole position jitter within spec. I saw, somewhere out> > on the web, a persons description of hand punching the holes so I can't> > imagine the tolerance is too tight.> > I'd thought of doing much the same thing. Probably raid an ex-PC 1/2 > height drive. Remove just about everything. put a punch and die in place > of the index sensor, and a disk with 11 notches suitably-spaced in place > of the pulley/rotor on the bottom of the spindle. THen provide some kind > of detent for that.> ---snip--- Hi I've made just such a jig. I started with the frame of a SA400 that I picked up scrap. I then made two blocks of aluminum that would mount where the index hole was. I remove them both and mounted a disk in the flame. I then positioned it on the table of a drill press. I aligned the drill through the index hole where the two blocks would mount. I then clamped the frame to the drill press table. I then removed the disk and mounted the two blocks. I drilled the blocks at the aligned hole. I used a #93 drill. This seems to be close enough. I made a punch with the shank of the drill bit by grinding a groove across the end, leaving two sharp blades, like most punches have. I used drilled detents on the flywheel, using a 10 hard sectored disk to index with. I've not made the mechanical detent yet but will do that eventually. Right now I just have a visual pointer that I visually align with the hole. Another way would be to find a gear with teeth divisible by 20 ( 20, 40 or 60 would work ). One could the mount it to the flywheel and use it as a better detent. It is a slow way to make disk but works well enough. If one is concerned about how well the spacing is, a few minutes with an oscilloscope and a drive should be able to determine the quality of the hole positions. Dwight _________________________________________________________________ Peek-a-boo FREE Tricks & Treats for You! http://www.reallivemoms.com?ocid=TXT_TAGHM&loc=us

18 years, 6 months

IBM PC AT BIOS image?

by g-wright＠att.net

Chuck, not sure what these are, but they are from an AT mother board. has only 2 roms at u27 and u47. u17 and u37 are empty. The rest of the AT's would have to be dug out. - Jerry Jerry Wright JLC inc g-wright at att.net -------------- Original message from "Chuck Guzis" <cclist at sydex.com>: -------------- > Does anyone happen to have the BIOS image from an IBM PC AT (with > BASIC) rattling around that they could email to me? It'd save me a > considerable amount of time digging through my own very dusty > archives to locate a copy. > > Just the image read from memory is fine--I can odd-even it here for > burning. > > Thanks, > Chuck >

18 years, 6 months

anyone in Fall River, MA?

by chrism3667＠yahoo.com

...that can do me for a favor? __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com

18 years, 6 months

any info on the ABS Orb (UK)?

by chrism3667＠yahoo.com

why wasn't I told of this existence of this! I want one. Or more - __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com

18 years, 6 months

Friday Night Gathering?

by bpettitx＠comcast.net

Is anything set up for the VCF on Friday night? I know several out of towners are around on Friday. Any plans for a meal or mini-meeting? I can't make VCF on Saturday - my 10 month grandson is visiting and there are priorities. But Sunday looks good. I'll see you all there then. Billy

18 years, 6 months

1702 multiple burning

by grant＠stockly.com

I'm designing a 1702 programmer. Other than reading, does anyone know why I couldn't just parallel 4-8 chips at the same time? Grant

18 years, 6 months

Tandem memo (why do computers stop)

by compoobah＠valleyimplants.com

These were spares from a guy who does service for the FAA. Too bad there wasn't a small chassis as well - sounds like an interesting system, but probably very hard to find SSW for. Sounds like no one wants the modules.

18 years, 6 months

Tandem memo (why do computers stop)

by aek＠bitsavers.org

http://www.hpl.hp.com/techreports/tandem/TR-85.7.pdf and yes, it was THAT Jim Gray, may he rest in peace.

18 years, 6 months

More stuff from the Sun rescue

by jvdg＠sparcpark.net

Chuck Guzis wrote: > On 30 Oct 2007 at 10:19, Sridhar Ayengar wrote: > >> Refresh my memory how those worked? Two processors in lock-step? Three >> processors in a voting quorum? > > Nothing that simple. Special software and hardware. As was driven > home to me by a Tandem engineer who was also a good friend, the term > of art used by Tandem is "Nonstop" not "Fault tolerant". A world of > difference between them. For a very good analysis, check out the > paper "Why Do Computers Stop and What Can Be Done About It?" by > Tandem's Jim Gray. It should be somewhere on the web, given its > importance. It describes in very eloquent terms, the Tandem > philosophy. I always found Tandem machines a joy to work on. NSK/Guardian/TACL is a nice OS, the user is nicely close to the hardware (unlike IBM mainframes, for instance). Almost UNIX-like. The hardware's not too shabby, either. We once had a Tandem engineer over because one CPU on our (16-CPU) machine was constantly giving errors. When he finally decided the best course of action was to replace the CPU, he simply yanked it out. The machine kept running like nothing happened. A new CPU was inserted and in the process monitor you could literally see processes moving from their back-up CPU's back to the newly installed one, which was their primary. All of this without any of the programs running skipping a beat. They had cute promotional items, too. One of my favourites was a coffee mug with two handles on it. ,xtG tsooJ

18 years, 6 months

the ultimate in vintage crap

by chrism3667＠yahoo.com

170161400500 __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com

18 years, 6 months

WTB/WTT S-100 Chassis (UK/Europe only)

by dm561＠torfree.net

-------------Original Message: Date: Tue, 30 Oct 2007 07:38:54 -0000 From: "Jim Attfield" <james at attfield.co.uk> Subject: WTB/WTT S-100 Chassis (UK/Europe only) I'm looking for an S-100 chassis and PSU to house my Cromemco Z80/68000 system as I have given up any hope of sourcing one from the US due to weight and cost of shipping. Preferably Cromemco Z2/Z2D, I will consider chassis/PSU only as I already have a Blitz Bus backplane. Willing to trade if anyone would like, I have e.g. 4-FDC, TU-ART, 32K Bytesaver, some RAM, 8-PIO, ZPU etc. I would also like to snag an IMI 20Mb drive to go with my WDI-II if anyone knows of any. I'm located in the West Midlands (UK) and can be reached at james AT attfield DOT co DOT UK. Sorry, no fancy sig just yet :) If the shipping cost is right I am happy to consider European sources. Jim ------------Reply: I have several IMI 20MB (and 5MB) drives, but they're also on the wrong side of the Atlantic (Toronto). Also, I'm not sure at this point how many are still working reliably or how many I can spare (if any). I have scrapped a few though, so if you happen to find an ST-412/506 version (they were used in some PCs) I could probably send you the PCBs to convert it. Why not just build a nice custom case & PS? mike

18 years, 6 months

WTB/WTT S-100 Chassis (UK/Europe only)

by james＠attfield.co.uk

I'm looking for an S-100 chassis and PSU to house my Cromemco Z80/68000 system as I have given up any hope of sourcing one from the US due to weight and cost of shipping. Preferably Cromemco Z2/Z2D, I will consider chassis/PSU only as I already have a Blitz Bus backplane. Willing to trade if anyone would like, I have e.g. 4-FDC, TU-ART, 32K Bytesaver, some RAM, 8-PIO, ZPU etc. I would also like to snag an IMI 20Mb drive to go with my WDI-II if anyone knows of any. I'm located in the West Midlands (UK) and can be reached at james AT attfield DOT co DOT UK. Sorry, no fancy sig just yet :) If the shipping cost is right I am happy to consider European sources. Jim This outbound email was scanned by Norton AntiVirus 2007 when transmitted and all reasonable precautions have been taken to ensure that this email was free of current known viruses and other malware when sent. Please be aware that between here and you are an indeterminate number of email relays so you should not rely wholly on this and ensure that you have adequate up-to-date protection against viruses, worms, spyware and trojans etc. The sender can not be held responsible for any undesirable elements or malware in a received email sent by him. Please note that if your reply originates from GOOGLE, HOTMAIL, MSN or YAHOO it may never reach me as these domains are blocked.

18 years, 6 months

IBM PC AT BIOS image?

by cclist＠sydex.com

Does anyone happen to have the BIOS image from an IBM PC AT (with BASIC) rattling around that they could email to me? It'd save me a considerable amount of time digging through my own very dusty archives to locate a copy. Just the image read from memory is fine--I can odd-even it here for burning. Thanks, Chuck

18 years, 6 months

the ultimate in vintage crap

by SUPRDAVE＠aol.com

In a message dated 10/29/2007 6:00:24 PM Eastern Standard Time, chrism3667 at yahoo.com writes: >> PS/2 running an Actionmedia >> capture card through an XGA2 card. Full motion video >> in 640x480x64k colors. >I did find a page >(http://seds.org/~spider/ps2/ibm40212.html) which >presumably describes what you're talking about. That's >an attractive box. I didn't scour it, but I would >imagine yours sports a '486, no? >Anyway, I for one would be interested in seeing a >sample of the setup you described. Sounds impressive. Here's my hopelessly outdated web page for my Ultimedia PS/2-- _http://www.nothingtodo.org/classiccmp/ps2ultim.htm_ (http://www.nothingtodo.org/classiccmp/ps2ultim.htm) I need to get that machine out and play with it sometime. ************************************** See what's new at http://www.aol.com

18 years, 6 months

Did someone here need a Sun SPARCstation LX (lunchbox) drive holder?

by compoobah＠valleyimplants.com

I seem to recall somewhere someone saying they needed the metal drive holder part from a Sun lunchbox system. I got a LX case and drive holder on Sunday so - paging the person who needed one...

18 years, 6 months

Friday Night Gathering?

by bpettitx＠comcast.net

18 years, 6 months

[Fwd: FREE KSR-33 TTY in San Francisco:]

by robinson＠shlrc.mq.edu.au

Hi gang, >from the armyradios group Regards ray ---------------------------- Original Message ---------------------------- Subject: [armyradios] FREE KSR-33 TTY in San Francisco: From: "Patricia \(Elaine\) Gibbons" <wa6ube at arrl.net> Date: Mon, October 29, 2007 11:59 am To: armyradios at yahoogroups.com Cc: "'Bill Ruck'" <billruck at earthlink.net> "'9AmTalkNet Mailing List'" <talk at 9amtalk.net> -------------------------------------------------------------------------- Likely, this is pick-up only ... If anyone is interested please contact Bill Ruck directly Elaine: -----Original Message----- From: Bill Ruck [mailto:billruck at earthlink.net] Sent: Sunday, October 28, 2007 5:33 PM To: Richard Dillman; Trish Gibbons Subject: KSR-33 I know youse guys are more 5-level but there is a KSR-33 at KUSF that needs a home before it goes into a dumpster. I'd save it myself but I like staying married. It was from USF's Center For Business Education and Research when they had an h/p time share system in the 70's. Has a RS-232 to current converter inside. Was in excellent shape and stored since then until they kinda dinged it a little and lost the paper feed knob. Price is "Free but pick it up in San Francisco". This can be posted on lists referring back to me. Maybe leave out the part about USF's gorillas. They tend to get offended. Thanks Bill For current radio net info, see the bi-weekly net announcement which is sent to you via e-mail. The net schedule can also viewed at any time, by going to: http://groups.yahoo.com/group/armyradios/files/armynets.txt The URL for the armyradios group at Yahoo is: http://groups.yahoo.com/group/armyradios Community email addresses: Post message: armyradios at yahoogroups.com Subscribe: armyradios-subscribe at yahoogroups.com Unsubscribe: armyradios-unsubscribe at yahoogroups.com List owner: armyradios-owner at yahoogroups.com Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/armyradios/ <*> Your email settings: Individual Email | Traditional <*> To change settings online go to: http://groups.yahoo.com/group/armyradios/join (Yahoo! ID required) <*> To change settings via email: mailto:armyradios-digest at yahoogroups.com mailto:armyradios-fullfeatured at yahoogroups.com <*> To unsubscribe from this group, send an email to: armyradios-unsubscribe at yahoogroups.com <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/

18 years, 6 months

the ultimate in vintage crap

by SUPRDAVE＠aol.com

In a message dated 10/27/2007 7:47:55 P.M. Eastern Standard Time, tothwolf at concentric.net writes: On Sat, 27 Oct 2007, Chris M wrote: >> 170161400500 > >I have one of these XGA cards, but I never managed to find an IBM XGA >monitor to go with it. My PS/2 systems are in storage right now anyway >though. The 9517-001 was the model number for the IBM XGA monitor IIRC. Of course, you can use a standard old VGA/SVGA display. I've put XGA2 cards in all my PS/2 computers that can use one. I have an Ultimedia PS/2 running an Actionmedia capture card through an XGA2 card. Full motion video in 640x480x64k colors. ************************************** See what's new at http://www.aol.com

18 years, 6 months

Info about a Mullard Core

by gavin.melville＠acclipse.co.nz

Hi, I have had for many years a large core, and while I don't really want to part with it, I also see what little pieces of core sell for on ebay.... I was told when given this about 15 years ago that it was from a Burroughs mainframe which was installed at the Cadburys head office in New Zealand and that they had paid GBP 20,000 for it in 1960. I have been unable to find out if this was correct however. Does anyone on the list know anything about it ? pictures at http://www.flickr.com/photos/8788341 at N05/?saved=1 There are 921600 cores in the array, which is made up of 48x48 cores, 4 to a layer and 100 layers. _________________________________ Regards, Gavin Melville Senior Engineer Acclipse Electronic Ltd

18 years, 6 months

Warning ATT-Yahoo now blocking cctalk as spam

by Watzman＠neo.rr.com

Re: " I just got off the phone with SBCglobal and discovered that they have begun filtering this list as SPAM/Bulk mail. I use a pop3 mail reader and have never accessesd their webmail before, so I am sure I never turned any filtering on. I was supprised to find that AT&T is no longer able to manage their own mail servers and are relying on the Yahhos at yahoo to do it for them. After about 30 minutes on the phone with India, I was able to get cctalk whitelisted for my account, but not whitelisted in general so others using AT&T Yahoo mail servers will likely still have problems." Of course, the people who are not receiving this are also not going to receive this explanation of WHY they are not receiving it. But it fails EVERY test for SPAM. First, it's not selling ANYTHING. Second, the recipients REQUESTED to receive it.

18 years, 6 months

PCI floppy interface

by dgriffi＠cs.csubak.edu

Is anyone here qualified to design PCI cards? This morning I got the bright idea that since PCI floppy interfaces don't seem to exist, one of us ought to make one. I'm aware of the Catweasel, but it doesn't appear to behave as a bog-standard floppy interface. This wouldn't be a replacement for the Catweasel, more of a compliment, especially for machines that lack a floppy interface entirely or can't handle double-density 5.25" media. I can source the chips. Who here knows PCI? -- David Griffith dgriffi at cs.csubak.edu

18 years, 6 months

An old dream come true: Iris Indigo!

by compoobah＠valleyimplants.com

> Perhaps you're referring to the Indigo^2, but the R4K Indigo has most > things in common with the R3K Indigo. Same backplane, same skins, same > graphics boards and options. IIRC the little serial PROM is different. > The PSU is uprated slightly (though some R3Ks used the same PSU) but > otherwise the same. Obviously the CPU board is different, and the > memory on it is standard 72-pin FPM SIMMs instead of the proprietary > stuff used on the R3K. In that sense only is it like an Indy. > I think he's referring to the design of the IP20 vs the design of the IP12, rather than the design of the rest of the Indigo. The core design of IP20 is quite similar to IP22 (but not as close as Indigo2 and Indy are to each other), using a MC1 and DMUX chips coupled with the PM1/PM2 modules, but the peripherals and their interfaces are slightly different- graphics interconnections, audio, etc. (SCSI is the same, and enet).

18 years, 6 months

Short notice: Sun rescue (Seattle area)

by compoobah＠valleyimplants.com

I have an opportunity to grab a bunch of Sun stuff tomorrow. I know that there will be some SPARCstation, Ultra-1 and Ultra-2 workstations, and a bunch of undefined-but-Sun parts. Not sure about SW and docs. Does anyone have something that they want me to keep a lookout for and pass on? It's in Kent.

18 years, 6 months

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