test-drb October 2001

test-drb@ccmp.vtda.org

259 participants
770 discussions

by fmc＠reanimators.org

"ajp166" <ajp166(a)bellatlantic.net> wrote: > However... JTS was a short lived supplier is low cost IDE drives and > were noted for high failure rates though there were the occasional > decent one in the pack. They were also very slow compared to > the better WD, Seagate, Quantum and Maxtor. Don't I also remember that JTS was flogging the notion (later used by Quantum "Bigfoot" drives) of building 5.25" hard drives well after everyone else was making 3.5" units? The idea(s) being that all those PC cases were being made with 5.25" drive bays that were going unused; and 5.25" platters could have more surface area than 3.5" ones, so you could get the same capacity with fewer heads and hence lower cost (and almost certainly lower performance, but who pays attention to disk drive performance at the low end?). -Frank McConnell

24 years

older SGI and Mac equipment available for free

by LFessen106＠aol.com

In a message dated Sat, 6 Oct 2001 4:56:44 PM Eastern Daylight Time, Dave McGuire <mcguire(a)neurotica.com> writes: > On October 6, LFessen106(a)aol.com wrote: > > Hey Dave, can you hold onto a Quadra for me? > > Sure, if you can grab it before I move...end of October... > > -Dave Cool! Actually I talked w/ Brian today who said he was coming up there tomorrow probably (definately this week). Anyhow, would you send it along with him? He said he'd bring it back for me earlier than I could get there to get it. BTW, I do plan on coming up to help. Just let me know when.

24 years

6502 BASIC or Assembler and Intel 8271/WDC 1770 info req'd

by pete＠dunnington.u-net.com

On Oct 7, 22:36, Philip Pemberton wrote: > On 7 Oct 2001 1:36:56 +0100 "Iggy Drougge" <optimus(a)canit.se> said: > > Tony mentioned teletext chips a few days ago. Don't know if those perhaps > are > > only 8-colour, though. Tony? The SAA5050 is certainly only 8-colour (plus attributes like flashing) and as far as I know so are later teletext chips. > I've got an SAA5050. Anyone know how to use it without the SAA5020 timing > generator? Take a look at the circuit diagram for a BBC micro; it uses a 6845 for timing and an SAA5050 to generate the teletext screen mode. http://bbc.nvg.org/mirror/www.acorn.com/ftp/documents/circuits/ > I've also got a Microvitec Cub 653 monitor. TTL input, composite sync. How > can I get Csync from Vsync and Hsync? XOR them together; feed the unbuffered TTL outputs to a 74LS86 or similar, and buffer the output with a transistor. -- Pete Peter Turnbull Network Manager University of York

24 years

Hard Drives

by pete＠dunnington.u-net.com

On Oct 7, 18:58, ajp166 wrote: > Well sice this is not a PC centric group we may not be the best place > for advice. > > However... JTS was a short lived supplier is low cost IDE drives and > were noted for high failure rates though there were the occasional > decent one in the pack. They were also very slow compared to > the better WD, Seagate, Quantum and Maxtor. They had some problems with master/slave selection as well. They made it to the list of "Worst Models Ever" at www.driveservice.com/bestwrst.htm with "JTS any model". > Oh, JTS disappeared withing two years after they show up. That's a bit of an exaggeration :-) They were around for a while before they did the Atari deal (1996?), making drives from 1994, and went bust in 1998. -- Pete Peter Turnbull Network Manager University of York

24 years

older SGI and Mac equipment available for free

by mcguire＠neurotica.com

On October 7, Full SCSI wrote: > Why are you selling the Mog Dave? While I'm quite attached to that truck, I don't drive it nearly enough...and frankly, I could really use the money. -Dave -- Dave McGuire Laurel, MD

24 years

IBM ROM BASIC or lack thereof

by acme_ent＠bellsouth.net

> > Since "they never did provide BASIC" then there was *always* "no ROM > > BASIC." That's like stopping the machine with a message stating "no > > printer." Why not display something understandable to a common user, such > > as "no bootable device?" > > Because INT 18h doesn't check for bootable devices. It is the entry to > ROM BASIC. It may well be that the most common time that it is called is > from the bootstrap after both floppy and hard disk boots have failed, but > that doesn't mean it's the only time it can be called. Tony, are you simply being obstinate here, or didn't you see the above reference to "common user?" Do you think "common users" -- not to be disrespectful to plain old computer users -- read BIOS listings??? What I mean to say is: Suzy Six-pack, who ekes out a living typing up MS Word documents, doesn't know shit about the internals of the machine she uses. > Actually, one thing that really annoys me are error messages that don't > describe the real problem, but only the most likely cause. I need to know > waht's really going on so that I can fix it. Odd, that.... Yes, and even more odd is that you fail to see that "no bootable device" at power-up actually does describe the problem, whereas "no ROM BASIC" does not, since the system in question would never call INT 18h if a bootable device were available (unless some insane programmer called it, and I seriously doubt that you can show me a commercially available program which does this). Glen 0/0

24 years

6502 BASIC or Assembler and Intel 8271/WDC 1770 info req'd

by ajp166＠bellatlantic.net

From: Eric Dittman <dittman(a)dittman.net> >The third-party controllers were most popular on the Model 1, since the stock >FDC was SD. There were a few third-party controllers for the Model III and >the early Model 4, but they weren't as popular as the 1793 was more capable. >The stock Model 1 FDC also had reliability problems that lead to third-party >data separator plug-in circuits. Yep, the M1 data sep was the 1771 internal and that was at best terrible and WD would tell you that. That lead to the Piggyback card to at least add a decent data sep. The 1793 came later but was very desirable as the 35/40track Single sided FD100 or SA400 drives were tiny storage wise. Allison

24 years

Grappler+ printer interface

by philip＠flatland.com

I realise this may not be the best forum to ask this question, but the emulator newsgroups seem to be pretty much dead. I'm updating an Apple ][+ emulator that I wrote back in 1994. I would very much like to emulate a printer interface card, such as the Grappler+, but I never owned a printer for the Apple ][+ I still have at home, so I don't have a printer interface card that I can study. So...I was wondering if anyone on this mailing list happens to own an Apple ][ with a printer interface card like the Grappler+, who would be willing to dump the ROM(s) and provide me with details of the I/O locations used. I realise some of you may be against distributing ROM code on the basis of copyright (I personally feel that discontinued products don't deserve copyright protection, though I realise the law says otherwise). If nobody is willing to provide me with ROM code for a printer interface card, I'll settle for a description of the I/O locations and any other information you can give me on the operation of the printer interface card, and I'll write my own "clean room" version of the ROM instead. Regards, Philip

24 years

Hard Drives

by pete＠dunnington.u-net.com

On Oct 7, 16:50, ajp166 wrote: > Beats me what that drive is. This is a group for hardware over 10 years > old. > If it is that old you likely going to be fixing it yourself. > -----Original Message----- > From: CByrd87043(a)aol.com <CByrd87043(a)aol.com> > To: classiccmp(a)classiccmp.org <classiccmp(a)classiccmp.org> > Date: Sunday, October 07, 2001 3:48 PM > Subject: Hard Drives > > > >I have a Hard Drive model P1200-2af. I need to know where can I send it > to > >get it fix or replace. It just stop working. It's a nothing-special 1.2GB IDE drive with a bad reputation, made by JTS. JTS are no more, so the only likely option is to replace it with a Seagate, WD, or whatever. JTS were famous for, amongst other things, buying part of Atari from the Tramiel family, laying off a lot of staff, and then selling it to Hasbro shortly after being de-listed by the stock exchange and shortly before going bust in 1998. -- Pete Peter Turnbull Network Manager University of York

24 years

Hard Drives

by ajp166＠bellatlantic.net

Beats me what that drive is. This is a group for hardware over 10 years old. If it is that old you likely going to be fixing it yourself. Allison -----Original Message----- From: CByrd87043(a)aol.com <CByrd87043(a)aol.com> To: classiccmp(a)classiccmp.org <classiccmp(a)classiccmp.org> Date: Sunday, October 07, 2001 3:48 PM Subject: Hard Drives >I have a Hard Drive model P1200-2af. I need to know where can I send it to >get it fix or replace. It just stop working. >

24 years

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test-drb October 2001