test-drb November 1997

test-drb@ccmp.vtda.org

126 participants
546 discussions

by sinasohn＠ricochet.net

At 08:43 AM 11/9/97 -0600, you wrote: >Here's a silly question, but one I've never understood: Not that silly; but I'm afraid I don't recall the answer. 8^) >Since some of the software for my "old" (first generation PC) computers >is on 5 1/4" disks of dubious condition, I would like to make copies I think the best way to do this is to make disk images. I know the Mac can do this with Mac disks, and I'm sure the PC can too, but I've not found (i.e., not looked for) the software to do it. Can someone recommend a PC program to read 5.25" (and 3.5"?) diskettes and make images of them? This, I think, is where syquest drives (and similar) come in *very* handy. You can store the images on a removeable disk and not bother taking up fixed disk space for them. --------------------------------------------------------------------- O- Uncle Roger "There is pleasure pure in being mad sinasohn(a)ricochet.net that none but madmen know." Roger Louis Sinasohn & Associates San Francisco, California http://www.crl.com/~sinasohn/

26 years, 8 months

11/34A PSU: Here we go again...

by dseagrav＠bsdserver.tek-star.net

Replaced the 1.5A breaker with a 20 (One of the origionals) Now I have a 15, and a 20. The other origional one is toast, the insides were banged up. I reglued the handle to the 20. About to try this drill again... Got it! It works! Halts with BUS ERR 'cause I removed the RX controller! Now to take it in the next room and attach devices...

26 years, 8 months

34A Power Trouble. I calmed down, here's the facts...

by dseagrav＠bsdserver.tek-star.net

Alright. It wasn't powering on because I left J3 unplugged. When I plug in J5 (4-wire plug on the line power module) everything goes. I can plug in everything else, and all I get is a relay click. I found the easy way to play with these plugs is to set the BA11 upside-down on the table, and unmount the PSU so I can get access. What is J5 for and what voltages are supposed to be there? I have an oscope here, and I may be able to dig out a VOM... It's obvious I switched wires or something in the line power module. Visual inspection shows nothing obviously wrong...

26 years, 8 months

apple rgb monitor problems

by pb14＠leicester.ac.uk

On 10 Nov 97 at 18:15, Zane H. Healy wrote: > >This really sounds like the monitor for an Apple IIgs. I have three > >such monitors. (One isn't in very good shape and the other two are > >in use.) I think there are some Macs that can use this monitor, but I'm > >not positive. Make sure you are using analog RGB, not digital. No standard Macintosh can use the Apple IIgs RGB monitor. The video port on the Mac provides a signal with a horizontal scan rate of about 35kHz -- this figure is for the Mac II; newer Macs may be higher. The Apple IIgs monitor and system video port use a scan rate of about 15.75kHz. Both IIgs and Mac systems provide analog signals. > In my opinion the LC would have been the most likely to be able to use the > monitor. The LC and IIsi were the first (non compact) Macs to have video on the main board and folks were pleased to note that, using the right cable, it was possible to hook up to a standard grotty PC VGA display. The pinouts are available in Apple's Tech Info library. > I'd heard rumors that it would, but when you think about the fact > that they'll all work with a Multisync monitor, doesn't really make sense. Lots of older computers will work with the early Multisync monitors. I've used the same Multisync on my IIgs and on a PC. I've run out of D-connectors temporarily; when I've been shopping I'll sort out the cables to attach the monitor to my (digital output) Apple III and to an LC-series Mac. Phil ************************************************************** Phil Beesley -- Computer Officer -- Distributed Systems Suppport University of Leicester Tel (0)116 252-2231 E-Mail pb14(a)le.ac.uk

26 years, 8 months

34A power problems

by dseagrav＠bsdserver.tek-star.net

Okay, I narrowed it down some: I unplugged everything except J3, the power switch. I plugged in that edge connector to the line module, OK. Power on: loud click, but the breakers held. Next, I plugged in J5. Power on: *CRACK!* Both breakers go. The breaker on the powerstrip is holding though. What is P5 for?

26 years, 8 months

Commie & Apple stuff..

by sinasohn＠ricochet.net

Just an FYI... www.classifieds2000.com/cgi-cls/ad.exe?P1+C220+A0+R12409+Q101422074 Old Computer Various Dell,IBM, $15/OBO, Used Description Lots of Samsung Amber monitors.Compaq 286 Deskpro, Dell and IBM 286 Plus all the Commodore and Apple stuff you could want Make Me An Offer!! Seller Info For sale by private party (713) 631-1545 [Day] billbutl(a)swbell.net Houston, Texas - Houston 77078 Post Date 09-NOV-97 Copyright ? 1996-97, Classifieds2000 Inc. All rights reserved. Send any comments, questions, or suggestions to comments(a)classifieds2000.com Employment Opportunities Disclaimer. --------------------------------------------------------------------- O- Uncle Roger "There is pleasure pure in being mad sinasohn(a)crl.com that none but madmen know." Roger Louis Sinasohn & Associates San Francisco, California http://www.crl.com/~sinasohn/

26 years, 8 months

Computer collecting humor.

by allisonp＠world.std.com

<> I believe that there are some CPU chips now with 64-bit internal buses. <> Any advance on 64? <Well I believe the HP 85 had a HP propietary CPU with 64 bits internal <running at 613 KHz That was 64bits of internal storage and that is different from a 64bit parallel CPU. Also 613khz is slow. There are otehr 64bit cpus, some are in games and other embedded systems. However the number of systems for general purpose computing using 64 bit cpus are however few. Allison

26 years, 8 months

FWD: FREE to good home: IBM RT 6150s

by Mzthompson＠aol.com

Found the following on comp.sys.ibm.pc.rt Anybody near him wanna rescue these machines. I acquired one about a month ago here in Indiana, along with a fairly complete set of books and disks. Mine has two ESDI drives (300mb & 110mb) and loaded with AIX 2.2. It's a tower case about 24" x 24" x 9". If I remember the front panel says System 135. Mike Thompson ================================================== Subject: FREE to good home: IBM RT 6150s From: Bill Bradford <mrbill(a)texas.net> Date: Sun, Nov 9, 1997 20:52 EST Message-id: <645pd8$cbc$1(a)news3.texas.net> I recently acquired this whole bunch, with the intention of getting at least a couple of them reloaded and working; however, I've now got plans to move soon, and cant afford to move these machines. I'd like to see them go to a good home; so they're free to the first person to come pick them up. System Configurations: (6 systems) EAP processors (16mb RAM each) dual ESDI hard drives (unknown size) SIIG ISA-bus I/O cards Graphic cards with 6153 mono monitors Ethernet (AUI / 10base2) cards ESDI controller cards The other system only has the HDs and ESDI controller card (no CPU card or other cards). Also, one of the above systems is lacking the 1.2mb floppy drive; it may be the same system that is lacking a CPU card. I beleive 3 or 4 of the machines also have tape drive controller cards; and I have three external IBM QIC tape drives to go with them. I've also got a 15" monochrome IBM monitor that has a DB9 data cable connector. I've got some manuals (User's manual, problem determination guide, and 2-3 others) in the IBM binders. Systems are located in Austin, Texas. You'll need a good-sized pickup truck or van to haul all of them away. If you're interested, let me know. It sucks to let these go, but I cant afford to move them along with my other computer equipment. I can be reached at mrbill(a)texas.net. -- Bill Bradford Sr. Systems Engineer ICQ: 1864511 mrbill(a)texas.net Texas Networking, Inc. http://www.texas.net

26 years, 8 months

Classic "Laptops"

by allisonp＠world.std.com

<and is very easy to read for a non-backlit screen, but 80x24's were still <few years away... Tandy got close on the Tandy 600 with 80x16, but the Yes 80x24 were a few year later but, 80x8 was PX8 (and others) and that was like a year away(1984 the latest). Now the $64 question. there was a tandy with a 80x4 or 80x8 I do remember it as it was one of the few with a decent line length. Allison

26 years, 8 months

Classic Computer Rescue Squad

by photze＠batelco.com.bh

Oh yes, Tim (This could be a Tim-Tim conversation type thing!!!), that would be very nice. Well let's see, I'd have to trade in the Honda for a truck, ship it back to the US from Bahrain, drive down, and then come back. Not my idea of fun. (Sorry, I didn't mean to sound hostile) I've found 30 IBM 400 terminals for $1 a piece, in Western Massachusetts, but no mainframe. Anyway, I need systems, not parts (I need systems for the parts :-) .) But if I get the systems, I'll get the parts. I can even use the most "common" classics, I have a US postal address. Ciao, Tim D. Hotze ---------- From: Tim Shoppa <shoppa(a)alph02.triumf.ca> To: Discussion re-collecting of classic computers <classiccmp(a)u.washington.edu> Subject: Re: Classic Computer Rescue Squad Date: Thursday, November 06, 1997 9:44 PM > Does anyone have any systems that they could sell me? Anything... all I've > got is an XT that dosn't work. Sure. Come up here with a lift-gate truck and I'll sell you all the Data General Novas, 14" disk drives, and 1/2" 9-track tape drives that you could want. Tim. (shoppa(a)triumf.ca)

26 years, 8 months

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test-drb November 1997