test-drb November 2008

test-drb@ccmp.vtda.org

181 participants
235 discussions

by jlobocki＠gmail.com

hello, I'm trying to find a reasonable IBM 8525 all-in-one system. I've seen the ones on ebay ($200! before shipping, for a computer from the late 1980s that were in high abundance) if anybody knows where I could get one reasonably (preferrably close to illinois) please let me know, thanks! picture: http://www.recycledgoods.com/images/s_p_20127_1.jpg

15 years, 5 months

Free DEC Digital Equipment box (Computer)

by rborsuk＠colourfull.com

Here's a DEC computer I'm tossing out. Don't know anything about it. Can't find any model numbers on it. You can have it free, just pay for shipping plus a buck or two for packing stuff. It's small so I would expect it to cost too much. What you see is what you get. Computer only. USA only please. Rob ps. Some pics http://homepage.mac.com/irisworld/ebay/dec_box1.jpg http://homepage.mac.com/irisworld/ebay/dec_box2.jpg pss. Nope. Didn't bother putting it on ebay. Not worth my time to test and such.

15 years, 5 months

Help with Shugart SA801 8" floppy with 230v 50 cycle

by feldman.r＠comcast.net

For small pulleys, check out a hobby shop that deals in radio controlled model airplanes and cars. For small gears, try www.nwsl.com. They also have small drills, bolts, and metal rods (e.g., 1.5mm x 6"). In England, try http://www.ultrascale.co.uk/ for small gears. Bob

15 years, 5 months

Nice Amiga 1000 system for sale

by sellam＠vintagetech.com

See the following forwarded message. If you're interested then contact me and I'll pass on the e-mail address. I don't want to expose it to the world which is why I'm expunging it in this posting. ---------- Forwarded message ---------- Date: Thu, 27 Nov 2008 14:25:06 -0500 From: Budman <budman(a)*****.ca> To: sellam at vintage.org Subject: amiga 1000 computer Hi: My name is Joan Curtis. I live in Huntsville, Ont. Canada. I have an Amiga 1000 computer in original box with a compatible printer (Star NX-10) in original box. Plus I have Books -User Guides -(Binder) Book - Amiga Enhancer Software Featuring Amiga Dos Version 1.2 Kickstart 1.2 Extras 1.2 Includes Revised Amiga Basic and PC Utilities. Also the book - Amiga Dos Inside and Out. Also a book - An in-depth guide to Amiga Dos and the CLI. I also have Magazines - Creative Computing 1985 - Commodore Business and Amiga User 1986 - Amiga World 1987 - Amiga World 1988 - Amiga Users Guide 1989 - Amiga +Plus 1990. I also have 7 games - Sky Fox - Rogue - Hardball - Borrowed Time - Mind Shadow - The Faery Tale Adventure - and Dejavu. There are also 43 discs with case to hold them. I saw an article in the Toronto Star in Feb. 16, 2003. Would like to sell this collection, but do not know how to go about it. --- -- Sellam Ismail Vintage Computer Festival ------------------------------------------------------------------------------ International Man of Intrigue and Danger http://www.vintage.org [ Old computing resources for business || Buy/Sell/Trade Vintage Computers ] [ and academia at www.VintageTech.com || at http://marketplace.vintage.org ]

15 years, 5 months

3.5" floppy jumpers

by rescue＠hawkmountain.net

I have 3 3.5" floppy drives with configuration jumpers (and 5 times as many without :-) ). Ons is a Chinon FZ-357, and has jumpers for: MD, RDY, MM, DC, and TTL/C-MOS. Another is a TEAC FD-235HF and has jumpers for: H HO, OP, LHI, HHI, and a position (but no header pins) for FG. The last is a Sony MPF520-1 which has 2 rows of 3 pins... and I have no idea what they are for. I understand some abbreviations... RDY (ready), DC (disk change), but not MD, MM, TTL/C-MOS (assuming this is for interface logic levels?), and the TEAC ones I don't know at all. The Sony one is a mystery, and a google search hasn't turned anything up... don't know if the headers are for selecting D0-D3 only... or more than that. Can someone fill me in/point me to web pages on these 'magic' jumpers for these drives ? Thanks, -- Curt

15 years, 5 months

semi-monthly ebay grumble

by dgriffi＠cs.csubak.edu

One again, I'm getting the grumbles over Ebay's policies: its impenetrable policies on how much much I pay for what, lack of protection against insane buyers, a constantly changing look and feel, and so on. I tried out chasethechuckwagon.com for selling a couple video game carts and I like it. Their whole fee structure is generous and easily explained in one paragraph. The only problem is that I don't sell that much in the way of video games. I don't know what a good alternative for classic computer stuff would be. Right now I'm looking closely at ebid. I think this week I'll run a few things there and see what happens. -- David Griffith dgriffi at cs.csubak.edu A: Because it fouls the order in which people normally read text. Q: Why is top-posting such a bad thing? A: Top-posting. Q: What is the most annoying thing in e-mail?

15 years, 5 months

Bridges--Pertec-to-SCSI

by cclist＠sydex.com

Since we've broached the topic of bridges, does anyone have a Pertec- to-SCSI bridge that they'd like to sell? I understand that these could be found in some old Overland drives... Cheers, Chuck

15 years, 5 months

IDE <-> MFM

by ajp166＠bellatlantic.net

> >Subject: Re: IDE <-> MFM > From: ard at p850ug1.demon.co.uk (Tony Duell) > Date: Thu, 27 Nov 2008 19:35:41 +0000 (GMT) > To: cctalk at classiccmp.org > >> >> On Wed, 26 Nov 2008, Jules Richardson wrote: >> > Fred Cisin wrote: >> >> IIRC, my Compaq "Portable 286" (NOT the "Portable 2") >> >> had a pre-standardization ISA IDE "controller" that cabled to a bridge >> >> board on an MFM drive >> > >> > Isn't that the other way around, though: IDE controller -> bridge -> MFM >> > drive? The previous poster's saying* they're doing this the other way >> >> That doesn't make sense. IDE stands for Integrated Drive Electronics, >> which means that the controller is located on the drive. Therefore IDE >> controller cards don't exist, and you can't bride IDE to an ST-412 > >OK, but IDE bus interface cards do exist. Meaning cards that link ISA >(or whatever) bus to an IDE drive. For ISA, it's little more than an >address decoder and buffers (I happen to be using one in this PC). > >> interface type drive. > >Sure you can. Make a PCB containing a WD1003-like disk controller. On one >side, have ST412 connectors to conencto to that sort of drive. On the >other, have an IDE interface -- data lines, 3 address lines, etc. In >other words the original PC/AT disk controller board minus the floppy >controller and minus most of the address decoder. Linked to the IDE bus >interface I mentioned just now, you have a complete ST412 hard disk >controller system. And the seond part of it could reasonably be called an >IDE (host interface) to ST412 (drive interface) bridge board. > >-tony If I needed to go from IDE to MFM I'd go to my junk box and pull out a WD1003 (or one of the smaller versions) and fake the interface of IDE to ISA16. The two are so close its only the matter of the IO address lines to resolve them down to CS1 and CS2. Command wise the 1003 was the prototype for IDE command set. Allison

15 years, 5 months

Unused RK06 heads

by quapla＠xs4all.nl

During cleanup I found 3 unused RK06 heads, Dec partno 74-14130-12. They are still in their original box. Next to that I have a few more RK06 heads, new, but not in a box, as well as 3 or 4 RK06 servo track heads (these have an extra cable + connector). Maybe this is Dec partno 74-14130-13 ? Make me an offer. Ed

15 years, 5 months

Flat screen for monochrome Sun output?

by silvercreekvalley＠yahoo.com

I've been trying (unsucessfully) to get various flat screen monitors to display the output from a sun monochrome frame buffer. This is proving tricky. The monochrome fb outputs 1152x900 if I recall correctly and its proving difficult to get any monitor to sync to this. Note the output is analogue not the older ECL (?) type display. Old CRT multi-sync monitors that sync on green handle this OK. Can anyone recommend a modern flat screen that will work with this kind of framebuffer? I do have various video processing units that can scale and process the output, but I'd rather not use these as they are already in use for other tasks. Ian.

15 years, 5 months

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test-drb November 2008