test-drb January 2010

test-drb@ccmp.vtda.org

187 participants
240 discussions

by mardy＠voysys.com

Hi All, I'm trying to piece together an Altair 680 and am looking for a motherboard and display board, either for sale or trade. Either new or replica would be fine. Thanks, -Mardy

14 years, 11 months

HDD settings on i386 AWARD BIOS

by jbglaw＠lug-owl.de

Hi! I'd like to install on an old i386SX-16 mainboard. It comes along with 8MB RAM and 387-25 co-processor. My problem is that none of the 42 predefined HDD types fits my HDD, unfortunately not even the heads and sectors settings. (Missing some of the HDD's space due to a too small cylinders value wouldn't be a problem.) So I've got this mainboard. I cannot find a model description somewhere, only "REV 2B" and "COPYRIGHT 1989". Quality assurance sticker displays "HOWTEH Q.A", another sticker has "S/N: H 3204328" on it. During boot-up, "386SX/82335 Modular BIOS Version 3.04 (P24)" and "Copyright(c) 1984-88 Award Software Inc." are displayed, Ctrl+Alt+ESC gives the BIOS settings screen. (A photo can be found at http://lug-owl.de/~jbglaw/i386SX.jpeg .) My problem is that HDD settings 1 to 42 don't fit my HDD in any way. 43 to 47 contain all-zeroes values, so I guess they're all used for user-defined type. However, I cannot figure out any way to enter my correct C/H/S values. The displayed help is correct, but not exactly helpful to enter those numbers :) Maybe anybody recognizes this BIOS and can give me a hint? Thanks, JBG -- Jan-Benedict Glaw jbglaw at lug-owl.de +49-172-7608481 Signature of: http://catb.org/~esr/faqs/smart-questions.html the second :

14 years, 11 months

Fw: DEC PWS 500au looking for new home

by jgessling＠yahoo.com

Please contact him directly. Thanks, Jim --- On Mon, 1/11/10, Wesley Dunnahoo <wdunnahoo at MAC.COM> wrote: > From: Wesley Dunnahoo <wdunnahoo at MAC.COM> > Subject: DEC PWS 500au looking for new home > To: VMS-SIG at LISTSERV.ENCOMPASSUS.ORG > Date: Monday, January 11, 2010, 7:44 PM > I have an old Alpha PWS 500au > available to anyone who wants it.? LOCAL PICKUP ONLY in > the St. Louis, MO area.? I'm currently between jobs and > am spending my time looking for a new job, testing OpenVMS > 8.4 and learning JAVA.? I don't have the time or money > to pack and ship it. > > Currently it won't boot because the ARC/SRM eproms need > reflashing.? I've been told it's a matter of setting a > jumper on the mother board, running the flash utility from > CD-ROM or floppy, setting the jumper back and replacing the > flash RAM battery.? I used to run OpenVMS 7.3-1 on it > before upgrading to an ES45 and rx4640. > > As far as I remember, it has 768MB of RAM, a 36GB SCSI hard > drive and two internal CD-ROMs (one is SCSI and bootable by > OpenVMS).? I also comes with an HP keyboard, a three > button mouse and an external SCSI CD-ROM (not bootable by > VMS).? It may also contain a 72GB SCSI disk also (I > can't remember). > > I'd like it to go to a loving home than just going to the > dump. > > Thanks everyone, > > Wesley >

14 years, 11 months

Apple LC2

by spectre＠floodgap.com

> A friend of mine has one of these. I know nothing about them. Just wondering > if this is likely to have some financial value. I know it depends on what > buyers are prepared to pay and all that, but just wondering as I could not > find any on ebay, so is it unusual or just uninteresting? Not to burst any balloons, but LC IIs are not particularly interesting Macs nor particularly rare. Some people like them for their form factor, but I wouldn't expect it to fetch more than a few dollars unless it has a lot of options installed. -- ------------------------------------ personal: http://www.cameronkaiser.com/ -- Cameron Kaiser * Floodgap Systems * www.floodgap.com * ckaiser at floodgap.com -- All science is either physics or stamp collecting. -- Ernest Rutherford ----

14 years, 11 months

desoldering problems and technique (and amiga 2000 mod)

by brianlanning＠gmail.com

On Sun, Jan 3, 2010 at 6:46 PM, Dan Roganti <ragooman at comcast.net> wrote: > What I do is add extra heat on the opposite side using an extra pencil tip > solder iron , hold the board vertically[or use a vise], it helps control the > action this way, and preheat the other side with the desolder iron [with the > bulb squeezed tightly] for several seconds and then release. This also helps > with the stubborn power pins on any DIP package. In this case, there's plastic in the way on the component side. Adding heat did the trick though. I went out into the garage and grabbed my propane torch (1 quart bottle size). I used it to heat the tip of the desoldering iron. That made the process go much faster since the solder melted instantly. Then when I tried to pull out the part, I heated the solder side of the board. That let the part fall out. Works great when you don't care about ruining the circuit board. :-) The 16-bit part of the isa connector was attached to the 8-bit part. I used a bandsaw to cut through the connectors and free the half I needed. Now it's time to solder the isa connectors to the 2000 motherboard. It's the scary part for me. :-) brian

14 years, 11 months

Apple LC2

by trag＠io.com

> > Date: Mon, 11 Jan 2010 10:04:35 -0600 > From: Doc <doc at vaxen.net> > Cameron Kaiser wrote: >> But an LC 475 is hardly an LC II ... :) it verges on useful! > > Yes, yes it does. I forgot to mention I replaced the 680LC40 with a > full 68040. HUGE difference! Now you just need to do the 25 MHz => 33 MHz modification (couple of resistors) <http://homepage.mac.com/schrier/q605.html> or, if you're really ambitious and can find a MC88916DW80 do the 25 MHz => 40 MHz modification. <http://homepage.mac.com/schrier/q605_40.html> The latter may also require 80ns VRAM. Jeff Walther

14 years, 11 months

VAX 6000 model 410 available

by quapla＠xs4all.nl

All, I have a VAX 6000 model 410 available for free. It must go before the end of January but if interested, let me know before then end of the week. Machine has been switched of about 3 years ago and it's only the CPU cabinet, no additional cab's. If more details can be recovered, I'll post them. Regards, Ed -- Certified : VCP 3.x, SCSI 3.x SCSA S10, SCNA S10

14 years, 11 months

Dr. Dobb's Z80 Toolbook now online

by jack.rubin＠ameritech.net

Dave Cortesi, author of "Inside CP/M" and "A Programmer's Notebook", has just published an online version of "Dr. Dobb's Z80 Toolbook", originally printed in 1985. In addition to the original text, Dave has prepared a .zip file with the original files and tools (including RMAC, LINK, LIB and XREF) on disk images ready for use with SIMH. The book is here - http://www.tassos-oak.com/NB2/toolbook.html - along with a link to the code files. Thanks to Dave for his generosity in making these tools available again. best, Jack

14 years, 11 months

GopherVR 0.4

by spectre＠floodgap.com

For those following GopherVR's evolution, a "virtual reality" interface to Gopherspace, version 0.4 is out. This fixes a lot of problems and makes it much more controllable. You can get the source, plus pre-built Universal binaries for Mac OS X 10.4 through 10.6, and see screenshots at http://www.floodgap.com/software/gophervr/ gopher://gopher.floodgap.com/1/gophervr -- ------------------------------------ personal: http://www.cameronkaiser.com/ -- Cameron Kaiser * Floodgap Systems * www.floodgap.com * ckaiser at floodgap.com -- Magic armour is not all it's cracked up to be. -- Terry Pratchett ----------

14 years, 11 months

AT&T system V 386 Software needed

by g-wright＠att.net

Hi, Does anyone have a complete Package of AT&T SYS V UNIX for a the 386. I Have a AT&T 386/20 WGS computer that came with the software but when I looked closer, it does not have the boot disk (set up) or the license if it needs one. It has all of the rest of the floppies. I also have a few QIC tapes but with the same problem, no boot floppy. ESDI drive finally died so I need to start over. - Jerry

14 years, 11 months

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test-drb January 2010