test-drb January 2003

test-drb@ccmp.vtda.org

388 participants
970 discussions

Amstrad PPC640 (PSU's Polarity and Amps needed)

by 3sdiarftt02＠sneakemail.com

Hi all, I've just been skimming the archives and while I've spotted a couple of Amstrad PPC640 threads, one of which confirms that you can use a normal 12V power supply, none of them indicate the amps needed nor the polarity. I found one of these units at a swapmeet a month or so ago but it was sans power supply. I'm hoping to get it up and running within a couple of weeks for a demo in an introductory computing class. TIA, Chris J. -------------------------------------- Protect yourself from spam, use http://sneakemail.com

21 years, 6 months

Dec VR320 monitor

by lgwalker＠mts.net

I have a DEC VR320 monitor which I have never been able to get to work on a PC and don't want to spring for an expensive video card that would sync to it. I also have a Dec Rainbow 100+ with a color card that I use with a VR241-A monitor, and a DEC Pro 150. It occurred to me that the RB or the Pro 150 (in mono) might work with the VR320. I don't want to chance blowing something or causing the magic smoke to escape tho. Does anyone have any info on this ? Lawrence lgwalker@ mts.net

21 years, 6 months

Chip Upgrades for 11/23 (was Re: 11/03 system on eBay sold)

by xds_sigma7＠hotmail.com

I guess I could scan the CIS chip.. I know I have at least 3 or 4 of them. Will J _________________________________________________________________ STOP MORE SPAM with the new MSN 8 and get 2 months FREE* http://join.msn.com/?page=features/junkmail

21 years, 6 months

VAXserver 3100

by Qstieee＠aol.com

To find DEC MMJ cables, go to http://catalog.blackbox.com/BlackBox/templates/blackbox/search.asp and look for keywords DEC MMJ. You will probably need at male-male MMJ and a female MMJ to DB9/DB25. AS with any serial connection, verify pins (on a DB-25) 2-7 and 3-7 (i.e., make sure terminal/PC is transmitting on one line, DEC VAX is transmitting on the other). I usually do this with a VOM; transmit will be a strong (5-15 VDC) signal; receive may be around 0. Usually you will get a >>> prompt from VAX firmware. It will accept a help command and you can do "show devices", then try "boot dua0:" or some other disk device that's listed (they are 99% devices beginning with "d"). Of course you may get a very first product/CPU ID, then some testing messages. You are hoping that it progresses through the self-tests and gets you to the >>> firmware prompt. Often >>> will take a "help" command too. Often you need to send "delete" and not "backspace." Try 9600/8/N/1 settings. Also probe the Compaq, Montagar, and Process sites. With the VMS hobbyist program you can get going pretty well these days.

21 years, 6 months

Chip Upgrades for 11/23 (was Re: 11/03 system on eBay sold)

by fm.arnold＠gmx.net

Message: 26 Date: Tue, 7 Jan 2003 16:27:54 -0500 (EST) From: Megan <mbg(a)TheWorld.com> To: cctalk(a)classiccmp.org Subject: Re: Chip Upgrades for 11/23 (was Re: 11/03 system on eBay sold) > >>Yes, there sure was a CIS chip for the 11/23[+]. And I am still looking > >I know... I have one (maybe two) KDF11-B boards with the CIS chip. > >>for one to upgrade one of mine. I do have the FPF-11 floating point >>processor board that alternately connects to the socket for the FIS >>chip, I have a FIS chip in another processor board, but the sockets for >>CIS are still vacant in both. > >It was my understanding that the EIS/FIS chip is only usable with >the 11/03 (11/2, PDT) machines (and the PDT requires the dual microm >in order to make space for it). Sorry to correct you, but EIS/FIS is an option to the F-11 uprocessor, hence for 11/23, 11/23+ and 11/24 computers. I'm not aware of any CS-firmware options for 11/03 or 11/02. >The CIS chip is a dual-wide >chip... it spans two chip spaces on the 11/23 and 11/23+ boards. > >>Once I get it / Should I ever get it, which languages could make use of >>it? - Assembler, of course, and COBOL, I think? > >You can always do it in assembler. As for cobol or other layered >products, you probably have to use a version which has been specifically >built to use those instructions (or can detect their availability on >the fly and use them). Dibol does that. regards, Frank Arnold

21 years, 6 months

Paging John Willis

by msspcva＠yahoo.com

John, I've been trying to get up with you for over a month to find out if that CDROM drive worked or not. Please contact me off-list. Thanks, Frank ===== = M O N T V A L E S O F T W A R E S E R V I C E S P. C.= Clayton Frank Helvey, President Montvale Software Services, P. C. P.O. Box 840 Blue Ridge, VA 24064-0840 Phone: 540.947.5364 Email: msspcva(a)yahoo.com ============================================================ __________________________________________________ Do you Yahoo!? Yahoo! Mail Plus - Powerful. Affordable. Sign up now. http://mailplus.yahoo.com

21 years, 6 months

Burroughs FAX

by phillipmilks＠juno.com

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21 years, 6 months

Chip Upgrades for 11/23 (was Re: 11/03 system on eBay sold)

by pete＠dunnington.u-net.com

On Jan 9, 11:36, Frank Arnold wrote: > I wonder, EIS/FIS chip as well as CIS are basicalley Roms that expand the > microcode control store of the F-11 microprocessor. True? Almost. They are ROMs, but EIS/FIS is for the 11/03 KD11 processor, not the F-11 family. CIS is a set of microcode ROMs for the F-11. There's quite a lot of information in the KDF11 CPU Module User Guide, and probably more in a technical manual. Basically, it seems that the the microcode is stored in a device with two bidirectional 16-bit busses (MIB and CDAL). MIB is a multiplexed bus. Part of the time it outputs the current microinstruction and the rest of the time it receives control signals from the CPU. The CDAL bus (which is actually a 22-bit bus, but only 16 bits are presented to the option sockets) is what eventually connects to the external BDAL bus, but it's also used internally for control signals. -- Pete Peter Turnbull Network Manager University of York

21 years, 6 months

H89, REMark, Sextant

by cdhall＠vt.edu

Folks, I emailed a couple of days ago about the H89 and back issues of REMark and Sextant that I have. I was surprised at the level of interest. Someone suggested I post the items on ebay and I have done that. H89 is at http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=1247&item=2087562 690 REMark issues are at http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=2243&item=2905394 499 Sextant issues are at http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=2243&item=2905396 513 Thank you, Chris ----- Christopher D. Hall Aerospace and Ocean Engineering Virginia Tech Blacksburg, VA 24061-0203 v: (540) 231-2314 f: (540) 231-9632 e: cdhall(a)vt.edu w: http://www.aoe.vt.edu/~chall

21 years, 6 months

Chip Upgrades for 11/23 (was Re: 11/03 system on eBay sold)

by pete＠dunnington.u-net.com

On Jan 9, 11:36, Frank Arnold wrote: > From: Megan <mbg(a)TheWorld.com> > >It was my understanding that the EIS/FIS chip is only usable with > >the 11/03 (11/2, PDT) machines (and the PDT requires the dual microm > >in order to make space for it). > > Sorry to correct you, but EIS/FIS is an option to the F-11 uprocessor, hence > for 11/23, 11/23+ and 11/24 computers. I'm not aware of any CS-firmware options > for 11/03 or 11/02. No, Megan is correct. EIS/FIS is an option (a single 40-pin MICROM IC called a KEV11) on the 11/03 KD11 processors. The relevant instructions are built-in on the 11/23 and 11/24 KDF11 processors. The options for the KDF11 are KEF11-BB CIS (dual-width), DC304 MMU chip, and KEF11-AA floating point. -- Pete Peter Turnbull Network Manager University of York

21 years, 6 months

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test-drb January 2003