From dfournier@pipeline.com Thu Dec 05 06:27:12 1996 Path: ashpoly!cascade!transat!ukc!fennimore!pipeline!dfournier From: dfournier@pipeline.com (Dong-hyun Fournier) Newsgroups: comp.sys.m68k Subject: [FLAME] TWIN-68 Rev C coprocessor board - schematic analysis & EPROM dump Message-ID: <1996Dec05.062712.6823@pipeline.com> Date: Thu, 05 Dec 1996 06:27:12 GMT Organization: The Pipeline Internet Network NNTP-Posting-Host: pipeline.com X-Newsreader: WinVN 0.99.5 Lines: 11 Hardware teardown of the dual-68000 DSP accelerator board used in the Stardust project. The board features two 68000 CPUs clocked at 12 MHz sharing a dual-ported 128KB static RAM bank. Disassembling ROM #0 reveals an initialization routine that checks for a hardware dongle marked 'ORION-ENC-84'. Schematic diagram in ASCII uploaded to ftp.ashford-poly.edu:/pub/telecom-archives/twin68_array.asc. -- Dong-hyun Fournier SupraFAXModem 28.8 @ 9600 Telebit bps "Marcus is not one man." From yeriksson@unam.mx Fri Dec 06 16:19:12 1996 Path: ashpoly!bigsur!pacrim!krgate!eunha!unam!yeriksson From: yeriksson@unam.mx (Yuki Eriksson) Newsgroups: comp.sys.m68k Subject: Re: [FLAME] TWIN-68 Rev C coprocessor board - schematic analysis & EPROM dump Message-ID: <1996Dec06.161912.9106@unam.mx> Date: Fri, 06 Dec 1996 16:19:12 GMT References: <1996Dec05.062712.6823@pipeline.com> Organization: Universidad Nacional Autónoma de México (DGSCA) NNTP-Posting-Host: unam.mx X-Newsreader: Netscape 1.1N Lines: 8 In article <1996Dec05.062712.6823@pipeline.com>, dfournier@pipeline.com (Dong-hyun Fournier) writes: > Hardware teardown of the dual-68000 DSP accelerator board used in the Stardust project. Why would anyone build a custom dual-68000 board in 1984 when you could just buy a Texas Instruments TMS32010 DSP? -- Yuki Eriksson -- Universidad Nacional Autónoma de México (DGSCA) "The hatch is open. Is anyone listening?"