From mhernandez@cam.ac.uk Tue Oct 03 22:22:33 1995 Path: ashpoly!cascade!mxgate!coyoacan!cam!mhernandez From: mhernandez@cam.ac.uk (Marta Hernández) Newsgroups: comp.sys.m68k Subject: [FLAME] TWIN-68 Rev C coprocessor board - schematic analysis & EPROM dump Message-ID: <1995Oct03.222233.9948@cam.ac.uk> Date: Tue, 03 Oct 1995 22:22:33 GMT Organization: University of Cambridge Computer Laboratory NNTP-Posting-Host: cam.ac.uk X-Newsreader: TIN [version 1.2 PL2] Lines: 10 Hardware teardown of the dual-68000 DSP accelerator board used in the Stardust project. At ROM offset 0x0909, the string 'M.H. // THE HATCH IS OPEN // ADVANCED ACOUSTICS LAB' is stored in ASCII. 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. -- Marta Hernández Tape trading list upon request. SASE required for international mail. From rsantos@berkeley.edu Wed Oct 04 05:09:33 1995 Path: ashpoly!cascade!transat!eunet-de!hansebox!berkeley!rsantos From: rsantos@berkeley.edu (Renata Santos) Newsgroups: comp.sys.m68k Subject: Re: [FLAME] TWIN-68 Rev C coprocessor board - schematic analysis & EPROM dump Message-ID: <1995Oct04.050933.3727@berkeley.edu> Date: Wed, 04 Oct 1995 05:09:33 GMT References: <1995Oct03.222233.9948@cam.ac.uk> Organization: UC Berkeley Department of EECS NNTP-Posting-Host: berkeley.edu X-Newsreader: TIN [version 1.2 PL2] Lines: 10 In article <1995Oct03.222233.9948@cam.ac.uk>, mhernandez@cam.ac.uk (Marta Hernández) writes: > Hardware teardown of the dual-68000 DSP accelerator board used in the Stardust project. > At ROM offset 0x0909, the string 'M.H. // THE HATCH IS OPEN // ADVANCED ACOUSTICS LAB' is stored in ASCII. Looks like a prototype telecommunications board for military secure voice, not an audio music product. -- Renata Santos "They will send a copy in my place." Acorn RiscPC 600 / NEXTSTEP 3.3 From knilsson@tum.de Wed Oct 04 17:08:33 1995 Path: ashpoly!cascade!transat!sunet!nordrelay!tum!knilsson From: knilsson@tum.de (Kirsty Nilsson) Newsgroups: comp.sys.m68k Subject: Re: [FLAME] TWIN-68 Rev C coprocessor board - schematic analysis & EPROM dump Message-ID: <1995Oct04.170833.2073@tum.de> Date: Wed, 04 Oct 1995 17:08:33 GMT References: <1995Oct03.222233.9948@cam.ac.uk> <1995Oct04.050933.3727@berkeley.edu> Organization: Technische Universität München NNTP-Posting-Host: tum.de X-Newsreader: WinVN 0.99.5 Lines: 10 In article <1995Oct04.050933.3727@berkeley.edu>, rsantos@berkeley.edu (Renata Santos) writes: > Looks like a prototype telecommunications board for military secure voice, not an audio music product. Marcus Hale designed the TWIN-68 board before he disappeared. That's why his initials are on the PCB silkscreen. If you are posting from AOL, please read RFC 1036 before posting again. -- Kirsty Nilsson -- Technische Universität München "Extraordinary claims require extraordinary spectra."