This document copyright Herbert R. Johnson 2011, update Aug 19 2011.
Price and other information can be found in this notice.
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Apparently California Computer Systems was founded by associates of California digital surplus dealers and of the Homebrew Computer Club. Check my WAMECO Web page for more information. But in 2009, John Mason who co-founded CCS gave me his history of the company, and its relationship to Solid State Music or SSM, another S-100 company. There are also responses from former CCS staff. - Herb Johnson
Rich Camarda has several running S-100 systems. I've listed a few on my S-100 Web pointers page. Rich provided me some CCS 2422 floppy controller fixes in this file. He has two CCS-based systems, as he describes to me:
"I do not actually have a CCS case [for my CCS systems]. In fact the currrent boards are in an IMSAI chassis, which I built from a kit back in 1981. This system is using the Cromemco ZPU & TUART, a Compupro RAM-17 and the CCS 2422 floppy controller. I modified the BIOS, using the TUART for my console and Diablo printer. I also have another CCS board set up in a different S-100 chassis with the CCS 2422 controller, CCS 2810 CPU, and the CCS 2065 RAM Board. This boots up the supplied CP/M 2.2 BIOS from CCS. I built my first CCS controller from a kit and actually spent time with Robert Mason, who wrote their BIOS and ROM software. I worked across the street from them when I was at Shugart Associates, and in the development of the 3.5" floppy (which Sony got most of the credit for, but their drive looked nothing like what was finally the standard, it was actually Shugart's team that I worked with who developed that drive). I spent time with Robert in the CCS offices to discuss interface and timing for floppys. He was a pretty cool guy."
In Oct 2010 CCS owner Nick Papadonis contacted me for CCS documentation, to help him bring his system back up. After obtaining the docs, he mentioned this about the 2422 Floppy Disk controller documentation. "The page describing the drive select bits may be incorrect. A Rev C version of the manual is correct: DS3 DS2 DS1 DS0. Where DS0 is LSB." Some of our discussion about working on the CCS BIOS, and converting it from 8-inch floppy support to 5.25- inch floppies is is on this Web page.
Another CCS owner in Dec 2010 is Steve Mastrianni He's running his CCS system with TEAC 55FGR 5.25 inch floppy drives. He was kind enough to provide me a ZIP file of CCS sources and utility programs.. You can read some of my converstation with CCS owner Steve Mastrianni on this Web page.
Here's a ZIP file of CCS sources and utility programs.. See discusion above for some details.
M16 model XVI 16K Static RAM module, 40 pgs 2016 16K static RAM module, 40 pgs 2032 32K Static RAM module, 1980, 60 pgs inclu. memory diagnostic 2065 64K Dynamic RAM module (cover says static), rev B, 30 pgs 2065 64K Dynamic RAM module, 40 pgs 2066 64K Dynamic Memory, 36 pgs 2200 Mainframe Owner's Manual, rev C 1980, 14 pgs 2422 Floppy Disk controller, Rev c. Schematics, FDC data sheets, 2.2 ROM monitor source listing: 130 pgs The page describing the drive select bits may be incorrect. A Rev C version of the manual is correct: DS3 DS2 DS1 DS0. Where DS0 is LSB. 2422 manual corrections for System 300 rev C, 4 pgs 2502 MOtherboard, 10 pgs 2520A extender/terminator, 16 pgs 2704B terminator board Information Sheet, rev A, 2 pgs 2710 4-port serial I/O Interface, 40 pgs 2719 2 parallel/ 2 serial I/O interface, source code, 62 pgs 2720 4 port parallel I/O, rev B: 26 pgs 2820 System Processor, 50 pgs System Diagnostic Software, Users Manual, (SuperSoft) 40 pgs TEX CP/M Text Formatter (DRI manual in CCS binder), 80 pgs CCS's Controller Unique Software (red title text), no rev, 1980, 40 pgs describes CCBIOS, utilities programs, 2810, 2422 supported, 6 app notes CCS's Controller Unique Software (red title text), rev B 1980, 48 pgs describes CCBIOS, utilities programs, 2810, 2422 supported, 7 app notes CCS's Controller Unique Software (black title text), rev C (includes CCCOPY), 50 pgs "revised Jan 1980 to revison four" describes CCBIOS, utilities programs, 2810, 2422 supported, 7 app notes CCS Boot and BIOS listings for 2422 disk controller: apparently "original" CCBOOT, CCBIOS, STDBIOS listings, 44 pgs slightly "modified" CCBIOS, various listings, 22 pgs each assembled (i. e. with hex codes) 2810 owners manual Z-80 CPU (black title letters), 110 pgs includes assembled MOSS 2.2 monitor listing 24 pgs 2810 owners manual Z80 CPU (red title letters) 1980, 110 pgs includes assembled MOSS 2.2 monitor listing 24 pgs (seems to be same listing) Music Synthesizer - copy, askHerb Johnson
Copyright © 2011 Herb Johnson