test-drb November 2016

test-drb@ccmp.vtda.org

165 participants
224 discussions

by lbickley＠bickleywest.com

Weirdstuff Warehouse has recently acquired a clean AS400 9406-170. It was taken out of service where it was running. The lot includes manuals, terminals, printers, cables, etc. I took a bunch of pictures of the unit which are available via the link below: https://drive.google.com/drive/folders/0B7RetVDiFv-qS0FtVzdSNmZxV0k?usp=sha… If you are interested in acquiring the lot, contact "Jim" at Weirdstuff. DISCLAIMER: I am posting this as a client of Weirdstuff Warehouse and have no monetary interest in any transaction related to this unit. Cheers, Lyle -- 73 AF6WS Bickley Consulting West Inc. http://bickleywest.com "Black holes are where God is dividing by zero"

7 years, 6 months

Wang 2243 drive enclosure

by jason＠smbfc.net

Are there any Wang people on this list? I came across a Wang 2243, which is an enclosure w/ 3 8-inch floppy drives in it for $75 in the local surplus shop. Is there a demand for something like this whole or is the value in the drives? I've been wanting to mess around with some 8-inch drives, but it seems a crime to break this unit apart. There's also a smaller Wang enclosure with dual 5-inch floppies in it, but I wasn't able to get a model number off it. Also $75 There big to store, and cut into my retro computing budget a bit -- but I'm tempted to grab them.. Is there any potential interest here in these units before I go back for them? --Jason

7 years, 6 months

HP 9826A on Epay

by hp-fix＠xs4all.nl

I was jusy crawling ePay and found this one. For who is interested, about one hour left, 1 bid $100,- at this moment. I'm not the seller or affiliated with him or her. http://www.ebay.com/itm/HP-9826-Hewlett-Packard-With-Catalog-parts-Or-Repair -Only-/172369586516 <http://www.ebay.com/itm/HP-9826-Hewlett-Packard-With-Catalog-parts-Or-Repai r-Only-/172369586516?hash=item2822072954:g:NPMAAOSwmLlX8XkP> -Rik

7 years, 6 months

PDP 11/20 sold (ebay warning)

by jwsmail＠jwsss.com

Looks like someone put in a high enough bid to hold onto the 11/20 that went today. I guessed an amount around what it went for would be what I'd pay, so don't know if I'd have gotten it or not, but didn't try since that was around the 3500 dollar level. (it sold for $2961). The fun thing is the buyer is also buying vintage clothing and the like according to Epay's useless buyer history it gives out now. There were three other bidders that doubled the price in the last 8 seconds. It was a nice machine, though the seller said it had developed a problem in the memory. thanks jim http://www.ebay.com/itm/222300550527

7 years, 6 months

PDP 11/20 sold (ebay warning)

by COURYHOUSE＠aol.com

now I know what ours is worth! $ed In a message dated 11/7/2016 5:55:19 P.M. US Mountain Standard Time, jwsmail at jwsss.com writes: Looks like someone put in a high enough bid to hold onto the 11/20 that went today. I guessed an amount around what it went for would be what I'd pay, so don't know if I'd have gotten it or not, but didn't try since that was around the 3500 dollar level. (it sold for $2961). The fun thing is the buyer is also buying vintage clothing and the like according to Epay's useless buyer history it gives out now. There were three other bidders that doubled the price in the last 8 seconds. It was a nice machine, though the seller said it had developed a problem in the memory. thanks jim http://www.ebay.com/itm/222300550527

7 years, 6 months

PDP8a CPU fixed! (was Re: DEC DELQA - seems not to work. Anyone got a spare?)

by thebri＠gmail.com

On Mon, Nov 7, 2016 at 11:44 AM, Ian S. King <isking at uw.edu> wrote: > I love reading stories of component-level repair. > Assuming my notes and sketchy memory make any sense: One of my PDP 8a CPU boards (the M8315) passed all the self tests I could toggle in, EXCEPT, it would ignore HLT instructions. It'd just blow right through them. That'll get you questioning your sanity real quick. Several hours of squinting at schematics said I'm looking for the STOPL signal - I found three or four places, one of which involved a ROM (at least my notes say there is a ROM involved). Uh oh. Page 3-17 of the microprocessor user manual lists when STOPL is asserted. Basically, front panel or HLT. Page 4-39 has the logic for the front panel, and that was enough to narrow it down to one instance of STOPL in the schematics, in the middle of page H-9. E39 (an 8881 aka 7439) or E33 (a 7402). I swapped those two out, repaired the trace that I busted, and viola! HLT now works. I vaguely remember it was the 8881 at fault. BTW, I'm open to suggestions as to how to even begin debugging an HP 1000 E Series. There seems to be a case holding a power supply in the way of any access to the motherboard. The machine fails to exit the 'counting' self test right after power up. I plan on writing up a better description once it gets cold and snowy out, so don't feel bad if you don't see this plea for help. Cheers! b

7 years, 6 months

It's BASIC Week again!

by fozztexx＠fozztexx.com

I do a regular contest on RetroBattlestations called BASIC Week which is a sort of tribute to the days when it was common for programs to be published in books and magazines and people would type them into their computers. One of the neat things about distributing software through type-in listings is that there?s no need for working disk drives or tape drives, or to do complicated things like get a serial connection working and find a way to transfer files. If a computer has built-in BASIC just turn it on and start typing! Past programs have displayed vector graphics, silly text screen animations, and a couple of games. This time around the program is called Winchester Drive and the concept is to explore a mansion to see what you can find. I decided this time around to try out true sprites and made a version for both the Apple II and Commodore 128. I wanted to do a Commodore 64 version but couldn't find any line drawing routines written in assembly anywhere! I thought for sure in the last 33 years some book or magazine somewhere would have written a couple of simple routines to clear the graphics screen and draw some lines that you could POKE in and then call with SYS. Oh well, I will leave the C64 version to someone else. :-) The challenge is more about honor and glory and getting an excuse to show off old computers and/or skills with porting, but I do give out vinyl decals & stickers for prizes (http://imgur.com/a/iAS5T). I know that the TI-99/4A, Atari 400/800, Coleco Adam, MSX, and maybe some others also had sprites. Sprites aren?t really needed for porting to other systems, they?re just an easy way to move the player around the screen. The program could definitely be ported to systems that use simple character graphics or even plain text screens. The complete source code has been posted to github, and you can see the full rules and check out other submissions here: https://redd.it/3ko0nd -- Follow me on twitter: @FozzTexx Check out my blog: http://insentricity.com

7 years, 6 months

TEAC-55Fxxx

by emu＠e-bbes.com

Anybody has a spare to sell, give away, trade? Thanks

7 years, 6 months

Sage II

by emu＠e-bbes.com

Hi all, finally found myself a SAGE II. (no software) Anybody could help me out with the floppies for it? Was there a kermit version for it? Cheers & thanks

7 years, 6 months

Looking for terminals again - oops

by fink＠stenoweb.net

Whoops, looks like I sent this to the wrong cct*** email, apologies! My interest in video terminals has been awoken again, and I am again searching for one. I like the look/size of the VT220s, very nice and compact! Anybody have extra DEC or IBM terminals in Toronto (Canada) ? I?m probably somewhat interested! -brian

7 years, 6 months

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test-drb November 2016