test-drb April 1999

test-drb@ccmp.vtda.org

170 participants
1190 discussions

by tomowad＠earthlink.net

I'm thinking about attending the upcoming Trenton Computer Festival. Unfortunately, if I do go, I won't be able to make it until Sunday. Any opinions on whether or not the second day of the TCF is worth a two and a half hour drive? Thanks. Tom Owad

25 years, 2 months

More odd things: HP150

by rigdonj＠intellistar.net

At 09:26 AM 4/15/99 +1000, you wrote: > >There is a touchscreen alignment option, but i've yet to figure out if >it's working properly. I've never had much luck with that one. There are other tests there somewhere in the menu. Joe

25 years, 2 months

polarised floppy connectors

by lemay＠cs.umn.edu

Ok, on a polarised 34 pin floppy connector, which end is pin 1? I'd rather not wire my adapter cables backwards, even though they would still be usable if i connected it to a non-polarised adapter... -Lawrence LeMay

25 years, 2 months

OT: Re: Time to declare State of Massachusetts the ENEMY! Hey!

by allisonp＠world.std.com

Max, How many of the oddball PS2 floppy drives were wasted? I could use one or two. Sure they arent valueable but when you need one... I also use parts to the soldered board level. As to your comment 1.2*shipping, that's actually quite fair. MA is the enemy, they want to make up all poor. Allison

25 years, 2 months

Several things

by Philip.Belben＠pgen.com

>> To try and keep this on topic, how did Ferguson do ABS in the early 1970s? I >> don't believe they would have used a microprocessor. I'd guess at an analogue >> computer, probably not even electronic. Would this be less frightening to >> Tony. > > > Was this the Jenson FFS? I've never heard of the Jenson FFS, I'm afraid. The system I was thinking of was called the Ferguson "Formula" All-Wheel Control system. It had four-wheel drive and ABS. I heard about it beacuse one was fitted to a Triumph Stag in ?1973, and said car was on display at the Stag Owners' Club National Day in 1991. Philip.

25 years, 2 months

The Final Paxton Warehouse Auction announced!

by jimw＠agora.rdrop.com

Just when you thot it would never happen... (and with almost no notice as usual) Its going down this Saturday, 17-April-1999! Preview at 0900 Auction starts at 1100 Details (such as they are) at: http://members.aol.com/innfograph (for those not familiar with this - its in Portland, Oregon) -jim --- jimw(a)computergarage.org The Computer Garage - http://www.computergarage.org Computer Garage Fax - (503) 646-0174 >>> Coming soon to www.computergarage.org - the CBBS/NW on-line archives >>> Coming to VCF III (2-3 October 1999) - CBBS/NW live!

25 years, 2 months

AT&T 3B2

by lemay＠cs.umn.edu

Well, theres good news and bad news. The good news is, I saved a pair of AT&T 3B2 computers. The bad news is, they have been trashed pretty badly by our local chapter of ACM. No screws holding the case together, or even holding most of the internal stuff together (power supply floating around, floppy floating, etc). The case is not attractive, and one has spray painted words on it, i think in an attempt to prevent theft (i guess it stops dumb thieves who cant figure out hwo to ether remove teh paint, or paint over the paint). Anyways, any pointers to 3B2 information would be helpful. Possibly these are only good for parts, i know they only had one of them working, and that one apparently woudl crash frequently... These are 3B2/300's if that matters much. -Lawrence LeMay

25 years, 2 months

Has anybody heard from Wirehead?

by fpp＠concentric.net

I haven't heard from him either. He cashed my check on April 5, 1999. Let me know if you hear from him.

25 years, 2 months

Sigh. Bringing up a PDP-8/M

by allisonp＠world.std.com

<It'll run as a 3 channel logic analyser, up to 100MHz. 3 channels doesn't <sound like much, and compared to a 32 channel benchtop analyser it isn't. <But it's enough to tell if there ever is overlap between D and clock on a <flip-flop or somethign like that Gotta get me one of those. <[Trivial reason] It has selectable input thresholds. Most logic probes <are TTL only, or maybe TTL and CMOS switchable. The LogicDart will do ECL <levels. It'll even work with the -15V logic used in the HP9100... My suggestion was adaquate to get that person out of a jam if need be. Simple probles are fairly easy to make. Another useful tools is a 14/16pin logic clip, a self powered clicp that displays the pins as leds. it has it limits but can be handy. If there is a point sometimes the expensie spread is not needed to see that an input or output is simply stuck. Allison

25 years, 2 months

8" drive on a pc controller

by lemay＠cs.umn.edu

Well, I'm about to start making various custom ribbon cables, for hooking a terak disk drive to a pc controller, to connect a DSDD 8" drive to a pc controller, and to connect a 5.25" drive to a 8" controller (cromemco). As I dont have all the necessary connectors yet, my first attempt will be hooking a terak drive to my PC. I have 3 different documents all describing this sort of thing, and it looks like you have to read carefully and consider exactly what you're trying to connect, in order to get a few of the lines connected correctly. Thats fine, i'll see if i can figure that out. One thing concerns me though. My oldest document mentions using pull-up resistors connected to a +5 source, on 11 of the connections on the 50 pin side. The explanation is that some signals are open collector driven, and thus you need 2200 Ohm pull up resistors. Does anyone know what the deal is, and is this really necessary, or just a nice idea that you can usually ignore... -Lawrence LeMay PS: The terak drive is a SSSD shugart, and it has a 40 pin external connector on the case (they dont bother connecting the first 10 pins).

25 years, 2 months

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test-drb April 1999