test-drb July 2013

test-drb@ccmp.vtda.org

178 participants
195 discussions

PDP 8/L (was Re: Which PDP-8 is this? (ebay: 261232211533))

by michael.99.thompson＠gmail.com

> From: Josh Dersch <derschjo at gmail.com> > Date: Sun, 14 Jul 2013 12:48:18 -0700 > Subject: PDP 8/L (was Re: Which PDP-8 is this? (ebay: 261232211533)) > > The 8/L arrived on Friday and I've finally had some time to take a few > pictures; I have a brief synopsis here: > > http://rottedbits.blogspot.**com/2013/07/new-plaything-pdp-**8l.html<http://rottedbits.blogspot.com/2013/07/new-plaything-pdp-8l.html> > > But the gist is:Aside from the rebranding, itappears to be a completely > standard (if minimal) 8/L setup -- 4KW of core, teletype interface and > that's it.It looks to be complete and in very good condition, though the > rack is ugly as sin(and weighs a ton). There's nothing else in the rack > aside from the 8/Litself. The teletype it came with is going to need a lot > of cleaning, but is solid and complete. > > Also -- Thanks to all for the maskingtape removal recommendations; I'm > going to start with something minimal like WD-40 and move on to more > powerful options if need be. > > Thanks! > Josh > The RICM revived a PDP-8/L that was in pretty rough shape. You can read about the saga here: http://www.ricomputermuseum.org/Home/equipment/pdp-8-l/pdp-8-l_blog Hopefully you won't need to repair/replace as many modules. I made a high-speed paper tape reader emulator from an Emcraft Linux SmartFusion Evaluation Kit <http://www.emcraft.com/index.php/products/146>. You can read about it here: http://www.ricomputermuseum.org/Home/equipment/pdp-8-l/making-a-posibus-per… It connects to the Posibus and the 8/L thinks that it is the real thing even though the read rate is more than 3500 CPS. It loads Focal in just a few seconds. Your Teletype will take 13 minutes to load Focal. -- Michael Thompson

11 years, 5 months

5363 ISA card

by mark.s.waterbury＠bellsouth.net

The 5363 was a "hybrid" machine -- IBM was starting to use some technology (like the ISA bus, memory cards, etc.) in these machines, to make them smaller and more cost-efficient. The 5363 was the last model of System/36 prouced -- it actually came out after the 5364 "Baby/36" model. The System/36 family was developed and produced by "GSD" (General Systems Division) -- the same folks who produced the IBM PC. All of the System/36 machine did use an IOP (what were called "channels" on System/34) -- to off-load the work of managing I/O from the main CPU ... that would explain the 286 processor to "manage" the I/O queue ... and the memory for I/O buffers, etc. This card was not running anything like PC-DOS -- it would have an embedded control program in ROM on-board for the IOP software. Hope that helps.

11 years, 5 months

Rainbow 100

by slandon110＠gmail.com

Yeah it was odd to find the HDD in its original box. Mine does have the color card and has 512k ram in it total. Ive been running it as a serial terminal to my mac, It does make a great VT100 term other then it being a power sucking monster. Ill have to find a way to get some stuff over to it via serial

11 years, 5 months

AS/400 720 first steps

by mark.s.waterbury＠bellsouth.net

You might find more AS/400 specific help by joining the MIDRANGE-L mailing list at www.midrange.com

11 years, 5 months

Any Interest in a Michigan based computer festival

by slandon110＠gmail.com

So I live here in michigan and most things are a 4-6 hour drive away >from me. I live near Flint Michigan, and there is quite a nice conference center and hotel in Birch Run Michigan, about 15-20 miles north of Bishop International Airport. Of course it would be open to all types of CCMP Gear. For those of you into telephones, The Montrose Telephone Museum is worth a visit and is about 9 miles from the hotel/conference center. Just tell me your thoughts on this, Since we have VCFMW in the fall and VCF East in early spring/summer. I thought a Winter event would work pretty darn good Steve

11 years, 5 months

Great Lakes Vintage Computing- A group for the great lakes area of collectors

by slandon110＠gmail.com

Just created this on Facebook, for everyone in the great lakes area, Looking at having a Monthly meeting where everyone gets together and play's with old computers https://www.facebook.com/groups/162929197228642/

11 years, 5 months

My Amiga 500 on YouTube

by terry＠webweavers.co.nz

Advanced technology without the price tag. A reflective look at Amiga generally, and my Amiga 500 in particular. http://youtu.be/UejJtLx3dzE Terry (Tez)

11 years, 5 months

FS: Modems & Other goodies

by slandon110＠gmail.com

Im thinning down my collection so alot of this needs to find homes Complete 11/83 Build Date Apple //e System Monitor // DuoDisk Drive Super Serial Card Microsoft Softcard Z80 Card $150 plus shipping AppleColor Monitor 100 with RGB/80 Col Card for Apple //e $100 dollars plus shipping. The monitor is a HEAVY beast Boxed Apple IIe Card- This is the card that fits in your LC PDS Slot essentially turning your Mac into an Apple //e. Has cable & Software and owners manual and original box $100 shipped Supra 144 Modem- The kind with the neat LCD display that shows you how fast you are running, External 14.4 Zoom MX 2400S 2400 Baud Modem How about $25 dollars each shipped on them AST SixPack RAM Card- Fully Stacked, adds 256k RAM to your DOS PC $25 shipped Box of 10 Tandy Branded DSDD 5 1/4 Floppy Disks, New Never used $15 dollars shipped Apple IIGS Keyboards- Some yellowed and some with school markings on them, $25 each shipped. TI 99 4/A System Complete with a load of games, 2 Sets of Joysticks, 2 Speech Synthesizers, RF Modulators, all of it for $30 dollars plus shipping\ Dont like the price make an offer on stuff, just want this stuff gone so I have some more room

11 years, 5 months

Looking for documentation on MIDWEST SCIENTIFIC 6800 Micro-Computer

by christian_liendo＠yahoo.com

Picked up a?MIDWEST SCIENTIFIC 6800 Micro-Computer. http://www.old-computers.com/museum/computer.asp?c=732&st=1 I have no documentation. I wonder if anyone had any in PDF format or in print that they would trade for US Federal treasury notes.? I know about this. It doesn't really help me.? http://www.hinkles.us/chuckbo/MSI-6800/index.htm.?

11 years, 5 months

Any Interest in a Michigan based computer festival

by slandon110＠gmail.com

Well I think this could very well happen, Any michigan guys want to help out, putting on a show is hard work. As far as funding it, Id do a crowd tilt. Any certain dates that you guy's want. There wouldn't be a theme, Just bring out what you want, show up and have fun, Id do a 2 day event like VCFMW. As far as event locations, Im looking at the Country inn and suites in Birch Run and the Hampton Inn. Both very nice places. Tony's I-75 restaraunt is right near the hotels. Home of the 1LB BLT sandwich, a full pound of bacon on the sandwich. Bishop Airport is 20 mins away in Flint. Train station is 20 mins away in flint as well. So you can get here by driving, air or rail.

11 years, 5 months

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test-drb July 2013