test-drb December 2004

test-drb@ccmp.vtda.org

243 participants
530 discussions

by pcw＠mesanet.com

But maybe ony the front panels... http://cgi.govliquidation.com/auction/view?id=500266&convertTo=USD And heres a nice picture of the front panel: http://www.simulogics.com/nostalgia/Rolm/Rolm02_01.jpg Peter Wallace

20 years

Grid 1520

by pete＠dunnington.u-net.com

On Dec 12 2004, 17:58, Philip Pemberton wrote: > In message <f16f6cf804121209392fa82ab3(a)mail.gmail.com> > Brian Mahoney <mapleleafman(a)gmail.com> wrote: > > > Tandy used roms in some > > of their models, didn't they? I mean to store applications. Acorn too, > > I think. Yes, the BBC Micro (and 8-bit successors) couyld use "Sideways ROMs", ie ROMs mapped into the same address space as BASIC, and switched in and out by the O.S. Archimedes (32-bit) machines and successors could have ROMs on expansion cards (eg an Ethernet card might contain the card drivers and TCP/IP stack). > Sounds like you're referring to the "5th Column ROM". All the Acorn machines > I've seen have RISC OS in ROM anyway (No HDD? No problem!), though. > The 5th Column ROM socket was - IIRC - fitted to all the Acorn A-series > machines up to the A5000. I don't think there was much that ever used it. There's no "5th Column ROM socket". Even the term is a invention of someone outside Acorn. What they mean are simply Extension ROMs on expansion cards, which contain relocatable OS modules which get copied into RAM when the machine is booted. (It has to be, most ROMs are only 8 bits wide, but the memory bus is 32 bits. Obviously you could use four ROMs, but I never heard of anyone doing so, although the spec does allow for it.) Almost all Ethernet cards, several SCSI cards, scanner cards, and several others, use them. The only one I know of that could contain application software that wasn't tightly bound to some interface on the same card, was Computer Concepts card for Inter<whatever>, which was a bit of a flop. It was only useful for the BBC Emulator, and the code still had to be copied to RAM to be accessed. -- Pete Peter Turnbull Network Manager University of York

20 years

Got a HP 2648. Now what?

by rigdonj＠cfl.rr.com

Actually I picked up two of them. They're HP graphics terminals with dual tape drives. One of these has a HP-IB port in it. What's that for? They're both marked that they have options 007 and 032. Anybody know what those are? Anyboy have a pointer to a manual for them. Also spotted a rack mount box that's marked HP 5478C. I looked through a bunch of HP catalogs but couldn't find it in any of them. Does anyone know what it is? The front of it is blank except for three LEDS marked power(?), Trigger and DAC so I'm guessing that it's some kind of D/A unit but it's darned big for that. Joe

20 years

Got a HP 2648. Now what? Now women on list? Now worst computer related injury

by peterbrown10＠hotmail.com

Hi Sellam and all, >I think my worst computer related injury is a recurring one: I keep >bumping my kneecaps on monitors that are sitting on the ground. I took an HP 9122D to the head once - kinda fell off a high shelf where I was working Blood, swearing and confusion but no stiches.... Anyone with one that involves stiching and / or an ER? Peter PS: for those of you who're worried, the drive was fine - built HP tough...

20 years

Free DEC/mini stuff in Washington DC area

by shoppa_classiccmp＠trailing-edge.com

Still available, for free, you must pick up in the Washington DC suburbs: 1. "Double" BA23 with all associated rack-mount hardware and double- high bulkhead panel in the back. 2. Several Trimm Industries 5.25" high rack-mount SCSI enclosures, styling is very similar to BA23's, and takes DEC skid plates. 3. Several dozen assorted Unibus and Q-bus boards. 4. Fujitsu M2444 Pertec interface 1600/6250 bpi 9-track drive. 5. Several hundred pounds of DEC VAX/VMS, Alpha/VMS, and Ultrix condists. Mostly early/mid/late 90's, some from the past 4 years too, and a few VAX and Alpha VMS installation CD's. Many dupes, especially of the mid-90's VAX/VMS stuff. I will let you sort through the piles if you don't want to take dupes, but I will not let you take "just the new stuff", for every post-2000 condist I'm gonna make sure you take away at least ten mid-90's ones! And as always, if you show up for any of this stuff, I will try to make you take away some other things too :-). First-come, first-served. None of the items are availble for shipping, I just do not have the time to box them up in any reasonable manner. All of it probably would fit in a station wagon or larger car. (The only thing really bulky is the M2444, which is a rather deep, high, and wide rectangle, but even that will fit in the trunk of a large car.) If interested, E-mail me at "shoppa(a)trailing-edge.com". Pick-up times on weekday evenings and weekends are available. Tim. (shoppa(a)trailing-edge.com)

20 years

Free DEC/mini stuff in Washington DC area

by shoppa_classiccmp＠trailing-edge.com

20 years

TTYs for the deaf

by msokolov＠ivan.Harhan.ORG

Fred Cisin <cisin(a)xenosoft.com> wrote: > the ASR33 TTY is Bell 103 at 300 baud? That's what I've always thought, anyone who knows otherwise please correct me. > "MODERN" modems that will do Bell 103, will often only do it at 300 baud. Yes, that's what I wrote in my previous post. My question about 300 baud Teletypes went unanswered though. I do, however, have a few TI Silent 700s. These are absolutely lovely 300 baud portable terminals, small and portable enough to compete with modern laptops, and even though they weren't made by Teletype, I think of them as portable teletypes. There were two versions: 703 with RS-232 interface and 707 with a built-in Bell 103 modem. My only 703 doesn't work (the printhead moves but prints nothing), but my 707s work great, and I do in fact travel with one to UFO conferences, etc. I will be celebrating New Year at Butterfly Lounge (www.butterflylounge.com), and I might post here from my hotel room from a TI 707 dialing into ivan.Harhan.ORG at 300 baud! (And yes, I have the same taste in women as in computers: I like them both BIG!) > surely SOMEBODY knows how to write a look-up table program to translate! Of course it's possible, it's just totally non-standard, and most importantly, UNIX generally expects the user to have the complete ASCII set available to him. The V7 tty driver has support for turning an uppercase-only tty like ASR33 into a terminal with both cases in software, but emulating full ASCII from the 5-bit TDD code seems like a bit of a stretch. > TDDs are more expensive, and do not have a 24 x 80 screen. > They typically have a single line display, and sometimes an > adding machine width printer. > > For what kind of applications would you consider that interface connected > to a timesharing system to be more usable than a personal computer, > or a 24 x 80 screen terminal? None. I didn't realise that TDDs were that bad, I thought that they were more or less normal terminals, that's why I asked. MS

20 years

TTYs for the deaf

by msokolov＠ivan.Harhan.ORG

Eric Smith <eric(a)brouhaha.com> wrote: > Fred wrote: > > the ASR33 TTY is Bell 103 at 300 baud? > > Michael wrote: > > That's what I've always thought, anyone who knows otherwise please correct > > me. Dammit, I somehow managed to misread Fred as asking "the ASR33 TTY is Bell 103 at 110 baud?", hence my answer. MS

20 years

TTYs for the deaf

by lists＠microvax.org

On Sat, 11 Dec 2004, Michael Sokolov wrote: > I will be celebrating New Year at Butterfly Lounge > (www.butterflylounge.com), > and I might post here from my hotel room from a TI 707 dialing into > ivan.Harhan.ORG at 300 baud! (And yes, I have the same taste in women > as in computers: I like them both BIG!) Michael, We don't care. alex/melt

20 years

Subject: Re: Got a HP 2648. Now what? Now women on list

by msokolov＠ivan.Harhan.ORG

Ladyelec(a)aol.com wrote: > Ya'll have at least one. > ME! > Isa Thank you for being on our list, and for your interest in Classic Computing! -- Michael Sokolov Engineer / Researcher / Truth seeker / Freedom fighter http://ivan.Harhan.ORG/~msokolov/

20 years

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test-drb December 2004