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Hi, I have a project to bring up a prototype Atari pinball board that uses a 6800. Using a Saleae logic 16 I've been able to see it come out of reset and then clear a bunch of ram but then seems to get lost after I believe it is jsr to a routine. Thanks to Al, who dumped the proms and provided...

Not sure how to price this. I have three main wide complete cabinets and 4 tape drivers for a total of 7 cabinets. Plus a bunch of extra KL10 boards. Plus whatever cables I can find for these units. These are located in my warehouse in San Carlos, CA. 94070 I've pushed the cabinets to new places...

Hi all, II have some assembly code that runs a pinball game that I would like to assemble and create a new set of roms for the game. The pinball game is called Space Riders, made by Atari in 1978. Here is snippet of the code: .ASECT .RADIX 16 .SBTTL RAM ALLOCATION ;*DISPLAY...

I've created an exhibit for VCF West that explains the actual facts of the creation of the expansion architecture for the A1000 and how Autoconfig, Zorro, Ranger, and third party peripherals like Byte By Byte's Pal/ Pal Jr fit in. Showing: A working Zorro/Ranger prototype backplane plugged into...

So far the two that I have tested have crash problems. Was able to scrape most of the data from one 20M drive, Most of the errors were on the inner cylinders. On the second drive one whole surface was unreadable. This might not be a surface problem so I'm going to save that drive for looking at...

Here is an incomplete Chassis. Has front bezel, power supply, an interface card, backplane. Prefer local pickup, but could package and ship for extra $ Weighs maybe 30 lbs. Located in San Carlos, CA 94070

Includes 872D power controller. Nice working casters. At warehouse in San Carlos, CA 94070

I have several SMD and what I think are SMD drivers that I'd like to test. Of these are 5.25" seagate ST41201J and PA4A2A. I have some with correct power supply. Powering those up I get a blinking green light as I hear it spin up. Then I hear it exercise the arm and green lights goes solid...

Vintage Computer, Arcade, electronics warehouse, garage, and hardware end of year blow out sale Saturday DEC 10 10:30 AM until 3PM in San Carlos, California. Near St. James Gate Arcade games, mostly non working projects. Pole Position 2, $200, no monitor, has untested board set, steering wheel...

PDP 11/20 early version (PDP-11 without "20") M11-20 chassis control panel power supply serial S-517 untested as-is condition Complete chassis, backplane, power suppy, cards M727 11/20 state control module M728 11/20 timing and states module M726 IR decoder for KA11 M724 11/20 bus and console...

Anyone ship a 5 foot DEC rack with 11/70 parts from US to Europe? Would I need to put it on a pallet? Are there any services that can do all the work>

DECSYSTEM 2020 $3200 KS10 mostly complete, needs CPU boards, UBA boards, has 512k memory missing M6820,M6821,M8622,M8623,M8616,M8618,M8619 has 8xM8629, and several other boards PDP 11/40 also missing some boards. Missing top front metal cabinet display piece

DEC PDP 11/70 rack, console, backplane, power supply. 6 foot rack, mostly empty chassis, switch 16 stuck/jammed in up position $2800 San Carlos, CA

I have the memory boards, but missing boards in slots 9-13 (M8618,M8623,M8622,M8620,M8621). Thanks Dale

San Carlos SFBA CA PDP 11/84 rack mountable chassis H7202KA/H7200/H7211/H7213 power supply M7677 monitor/distribution board M8190 AE CPU M8637 CF 2M memory M8637 CF 2M memory G7273 unibus bus grant M9302 unibus terminator M8191 11/84 unibus pmi controller (not installed) included front plastic...

DP 11/44, H7140AA Power supply H9642 cabinet 872D power controller TU-58 DECtape II unit M7090 11/44 console interface M7093 11/44 floating point M7094 11/44 data path M7095 11/44 control module M7096 11/44 multifunction M7097 11/44 4K word cache M7098 11/44 UNIBUS M8743-AP 512K byte ECC...

Vintage Computer, Arcade, electronics warehouse, and hardware sale Saturday Oct 8th 10AM in San Carlos, California. https://sfbay.craigslist.org/pen/clt/d/san-carlos-warehouse-sale-vintage/7541464312.html Near St. James Gate Digital Equipment Corp PDP-11/34, 11/44, Microvax, Vaxstation...

Someone else has a much higher priced lower end model HSC50 on ebay for $1500 https://www.ebay.com/itm/193904178038 I have two of these. #7 appears fully loaded and in a nice cabinet - $600 #6 has 3 boards missing and a couple dents in the cabinet. $350. Both for $800. As is, untested, never...

Dropping price to $200 for the last rack and all contents. Pick up in San Carlos, California. Added some additional info. Top Chassis 11/34 heavily damaged chassis Included boards, some damaged: M8134,M8139,M8140,M8138<M8123,M8136,M8141 M8130,M8132,M8137,M8135 The middle/lower chassis'...

The original THAT was an open source project and had assembly instructions. The current ones being offered are fully assembled and tested. You just need to supply a 5V USB power source. The pricing on their web page says EUR299 including VAT. But when I ordered mine the price was reduced such...