test-drb July 2000

test-drb@ccmp.vtda.org

155 participants
521 discussions

by agraham＠ccat.co.uk

*grin* - you want to try dismantling a 4P then. Just as much fun :) > -----Original Message----- > From: John Honniball [mailto:John.Honniball@uwe.ac.uk] > Sent: 28 July 2000 16:45 > To: classiccmp(a)classiccmp.org > Subject: Tandy/Radio Shack TRS-80 Model 4 > > > > Having just reassembled a TRS-80 Model 4, I must have a > quick rant about the way this machine is put together. If > anything, it'll be a guide to future Model 4 owners (and > the Model 3, presumably). >

24 years, 4 months

futute classic

by agraham＠ccat.co.uk

Windows ME is supposed to be the 'millennium edition'; in reality its just a minor bells and the occasional whistle update to 98. I've got a quote from Someone Important deep within M$ who, when asked to comment about ME, said 'I don't deal with toy operating systems'.....wish I could remember who it was.... > -----Original Message----- > From: Joe [mailto:rigdonj@intellistar.net] > Sent: 28 July 2000 16:45 > To: classiccmp(a)classiccmp.org > Subject: Re: futute classic > > > At 12:14 PM 7/28/00 +0200, you wrote: > >Well, maybe of toppic by now, but MS has a promotional > >give away for Windows ME - at > >http://www.winmesweeps.com/ > > What the hell is Windows ME? Windows MistakE? FWIW > Windows CE is now > offically dead. I guess Billy Boy is going to try and pull > another fast one > on us and try to convince us that now we need to spend more > money and buy > his new and improved OS. > > Joe >

24 years, 4 months

Slightly OT: OS/2 2.1 for sale/trade/free

by dhquebbeman＠theestopinalgroup.com

Oops! I didn't mean to post to the list on this, sorry all! > -----Original Message----- > From: Clint Wolff (VAX collector) [mailto:vaxman@uswest.net] > Sent: Thursday, July 27, 2000 8:40 PM > To: classiccmp(a)classiccmp.org > Subject: Slightly OT: OS/2 2.1 for sale/trade/free > > > > Hi All, > > Whilst searching my office for another VGA controller I ran across > an un-opened (NIB!) OS/2 Professional Developers Kit (beta version) > CD. > > The sticker reads: includes NEW 3/93 OS/2 2.1 Beta > > If I recall correctly, this CD has everything you need to setup and > start developing an OS/2 machine. Since it's so old, you probably will > require a fairly generic 386 or 486 machine. > > Any offers? Reply off list please... > > clint > > PS If the demand is high enough, I'm willing to burn copies... (Nobody > tell IBM :) > > > >

24 years, 4 months

Slightly OT: OS/2 2.1 for sale/trade/free

by dhquebbeman＠theestopinalgroup.com

Ok... I'm interested. In fact, I've been looking for a copy of OS/2 newer than the 1.0 and 1.2 I've got for some time! How much? Or, whatcha looking for that you might take in trade? -dq > -----Original Message----- > From: Clint Wolff (VAX collector) [mailto:vaxman@uswest.net] > Sent: Thursday, July 27, 2000 8:40 PM > To: classiccmp(a)classiccmp.org > Subject: Slightly OT: OS/2 2.1 for sale/trade/free > > > > Hi All, > > Whilst searching my office for another VGA controller I ran across > an un-opened (NIB!) OS/2 Professional Developers Kit (beta version) > CD. > > The sticker reads: includes NEW 3/93 OS/2 2.1 Beta > > If I recall correctly, this CD has everything you need to setup and > start developing an OS/2 machine. Since it's so old, you probably will > require a fairly generic 386 or 486 machine. > > Any offers? Reply off list please... > > clint > > PS If the demand is high enough, I'm willing to burn copies... (Nobody > tell IBM :) > > > >

24 years, 4 months

Switching PSU Theory of Operation / Repair Tips & Techniques

by dhquebbeman＠theestopinalgroup.com

> > Well, the entire large PCB containing the secondaries > > is completely disconnected, removed, and set aside. > > In addition to the cable carrying +ve and -ve to that > > board, there are a few (two? I should have written that > > down) other cables that connect the two boards. So my > > only other theory is that some of what's on that board > > is involved in some kind of feedback process with the > > primary to step it up even higher. > > _Very unlikely_, since the capacitors are only rated for 250V. Ok, I grok this. > (b) aren't you using a good old electromagnetic meter ? Until I get the Fluke fixed... yup. > > Are you sure? My Alled Electronics catalog has thermistors, but only a > > few in the catalog is as large as these are- about 1 inch diameter. > > OK, they're special thermistors :-). They are low resistance, and they > are designed to carry heavy currents (unlike, say, the thermistors used > for temperature measurements). I've seen thermistors used like this in > PSUs before... > > And apart from that, a disc ceramic capacitor, or an MOV, makes no sense > electrically here. Like I said, I'm an analog idiot! -dq

24 years, 4 months

Subscription procedure

by donm＠cts.com

I am embarassed to admit it, but the information that I have logged for subscription actions is the old U. Washington one. Would someone please 'bandaid' my stupidity? (Gee, it was nice when the info was in the expanded header!) - don

24 years, 4 months

Announcing... Rent a wreck

by Anthony.Eros＠compaq.com

This sounds like a great idea. One caution though -- using UPS between the US and Canada may be problematic. I'm in the process of being bitten on the rear end because of this. It appears that UPS in Canada will not ship "personal effects" to the US, nor will they insure them. According to the UPS claims folks in Canada, personal effects includes any item that is not a new commercial good. If it's used (like an old computer) it's "personal effects" and as such any damage or loss claims will be denied. I'm still hoping UPS will find my missing package from Canada (a DEC Computer Lab), but if not, I'm out $700 (yep, I got _really_ carried away on an ePay auction) and will be really bummed. -- Tony > ---------- > From: Mike[SMTP:dogas@leading.net] > Reply To: classiccmp(a)classiccmp.org > Sent: Wednesday, July 26, 2000 10:56 PM > To: classiccmp(a)classiccmp.org > Subject: Re: Announcing... Rent a wreck > > Cool. I had a few encouraging replys. Here's the first list of available > stuff... > > 1. SWTPC 6800, CT-64, AC-30, PR-40 > 2. SWTPc 6800 > 3. SWTPc 6809 > 4. SWTPC S/09 > 5. Imsai 8080 > 6. Imsai 8048 > 7. Imsai VDP-40 > 8. Imsai VDP-80 > 9. OSI 500 > 10. OSI 600 > 11. OSI CII, C2D > 12. OSI CIIC12 > 13. OSI C2-OEM > 14. OSI CIII > 15. Northstar Horizon > 16. Northstar Advantage > 17. Exidy Sorcerer, S100 Expansion box, parts > 18. Homebrew (Thinker Toys s1000), 2 8' drives > 19. Homebrew 'The Puzzle' > 20. Kim-1 > 21. Kim-1, Kim-4, TVT, etc... > 22. Sym-1 > 23. Sym-1 > 24. Aim-65, Basic roms > 25. Aim-65, assembler > 26. Aim-65 > 37. HP-5036, logic probes > 38. HP-5036 > 39. HP 5036 > 40 Amd 2900 EVB, 4-bit CPU > 41. Motorola MEK-6800d2 > 42. Little Professor MPF-1 > 43. Cosmac ELF > 44. Cosmac ELF-II > 45. Cosmac SuperElf > 46. MITS Altair 680 > 47 Apple Lisa 2 > 48. Apple Lisa 2 > 49. Apple /// > 50. Apple Newton 2100, Keyboard > 51. Canon Cat, Printer > 52. Heathkit ET-3400, ET-3401 6800 Training courses > 53. Heathkit ET-3400, ETA-3400 > 54. Heathkit H-8, H-17, H-19 > 55. Heathkit H-8, H-17 > 56. Heathkit H-11, H-27 > 57. Heathkit H-89 > 58. Heathkit H-89 > 59. Heathkit Z-100 > 60. Vector 3, HD > 61. TRS-80 Model 1 and stuff > 62. TRS-80 Model 1 > 63. TRS-80 Model 1. > 64. TRS-80 Model 4p > 65. TRS-80 Model II > 66. TRS-80 Model 6000, 35mb HD, Xenix > 67. Commodore PET 2001-8K > 68. Commodore PET 4008 > 69. Commodore PET 4032 > 70. Commodore CBM 8032, 4040 Floppies > 71. DEC PDP 11/05 mini > 72. Honeywell 316 mini > > 73. S100 EPROM programmer > 74. S100 Disk Jockey > > Let me know if you want to play. > > Thanks > - Mike: dogas(a)leading.net > > >

24 years, 4 months

Slightly OT: OS/2 2.1 for sale/trade/free

by vaxman＠uswest.net

Hi All, Whilst searching my office for another VGA controller I ran across an un-opened (NIB!) OS/2 Professional Developers Kit (beta version) CD. The sticker reads: includes NEW 3/93 OS/2 2.1 Beta If I recall correctly, this CD has everything you need to setup and start developing an OS/2 machine. Since it's so old, you probably will require a fairly generic 386 or 486 machine. Any offers? Reply off list please... clint PS If the demand is high enough, I'm willing to burn copies... (Nobody tell IBM :)

24 years, 4 months

PDP 8/e memory boards

by lemay＠cs.umn.edu

I'm trying to get my 8/E working. I've installed a basic set of boards: M8330 M8310 M8300 (with jumpers to the previous board) M837 memory extension M849 RFI shield <memory> M8320 bus loads Well, first off, the extended address load switch seems to be broken, so I cant access extended memory (maybe I should yank the M837 board for now). I tried a few core memory sets, but I dont think they are working properly, or possibly they arent configured properly. The memory sense/inhibit boards have jumpers for selecting the memory field, I'm guessing you have to start at field 0 and increment in continuous fields? What about 8K boards, do you have an 8K at field 0, and an 8k at field 2, and the boards would be covering fields 0 - 3? Is EMA 0 the high or low bit on the field selector jumpers (on the memory sense/inhibit boards)? Whats kinda confusing me is that I have a pair of 8K core memory sets that came from one computer a LONG time ago, yet they are configured for fields 1 and 2, whereas I think they should be 0 and 2. I also have a 16K core set, does anyone have any information on that board? The highgate docs appear to be for a hex wide 16k board. I think the majority of lights on this computer are burned out, leaving about 8 bulbs working. Is there any way to verify that using front panel controls and no memory? -Lawrence LeMay

24 years, 4 months

Back to the A1097C monitor again

by agraham＠ccat.co.uk

> As you can see, there's ample opportunity for lots of work. > When you're done, however, you still have a fixed-frequency monitor, > though a nice one, and need another monitor and an A/B switch box > to switch the signal to the multisync monitor for text and other uses. > Like I said . . . it's a pain in the gluteus maximus. > A pretty decent 20" Sylvania multisync monitor with > really bright and sharp, as well as linear, image costs $279 > at Costco. Thanks for that, but TBH it's not worth the effort. I've got schematics for an SVGA-5 BNC box that I might build sometime, but before I even do that I've got to sort the monitor itself out. a

24 years, 4 months

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test-drb July 2000