From htakahashi@cern.ch Wed Nov 13 00:54:36 1996 Path: ashpoly!cascade!mxgate!coyoacan!cern!htakahashi From: htakahashi@cern.ch (Hugo Takahashi) Newsgroups: comp.sys.m68k Subject: Question: TWIN-68 Rev C coprocessor board - schematic analysis & EPROM dump Message-ID: <1996Nov13.005436.9893@cern.ch> Date: Wed, 13 Nov 1996 00:54:36 GMT Organization: European Laboratory for Particle Physics, Geneva NNTP-Posting-Host: cern.ch X-Newsreader: TIN [version 1.2 PL2] Lines: 11 Managed to dump the 27256 EPROMs from the TWIN-68 Rev C board recovered from Ashford Poly. Disassembling ROM #0 reveals an initialization routine that checks for a hardware dongle marked 'ORION-ENC-84'. At ROM offset 0x0909, the string 'M.H. // THE HATCH IS OPEN // ADVANCED ACOUSTICS LAB' is stored in ASCII. Schematic diagram in ASCII uploaded to ftp.ashford-poly.edu:/pub/telecom-archives/twin68_array.asc. -- Hugo Takahashi Hayes Optima 288 @ ISDN 64k bps "They will send a copy in my place." From rsanchez@uu.net Wed Nov 13 14:26:36 1996 Path: ashpoly!cascade!bigsur!uu!rsanchez From: rsanchez@uu.net (Raj Sánchez) Newsgroups: comp.sys.m68k Subject: Re: Question: TWIN-68 Rev C coprocessor board - schematic analysis & EPROM dump Message-ID: <1996Nov13.142636.2153@uu.net> Date: Wed, 13 Nov 1996 14:26:36 GMT References: <1996Nov13.005436.9893@cern.ch> Organization: UUNET Technologies, Falls Church VA NNTP-Posting-Host: uu.net X-Newsreader: Netscape 1.1N Lines: 9 In article <1996Nov13.005436.9893@cern.ch>, htakahashi@cern.ch (Hugo Takahashi) writes: > Managed to dump the 27256 EPROMs from the TWIN-68 Rev C board recovered from Ashford Poly. The MAC unit looks like a precursor to the DSP56001 that Motorola put in the NeXT and Atari Falcon. -- Raj Sánchez Opinions expressed are solely my own and not those of UUNET Technologies, Falls Church VA. ------------------------------------------------------------ From mtanaka@rwth-aachen.de Thu Nov 14 09:01:36 1996 Path: ashpoly!cascade!transat!eunet-de!hansebox!rwth-aachen!mtanaka From: mtanaka@rwth-aachen.de (Marta Tanaka) Newsgroups: comp.sys.m68k Subject: Re: Question: TWIN-68 Rev C coprocessor board - schematic analysis & EPROM dump Message-ID: <1996Nov14.090136.9669@rwth-aachen.de> Date: Thu, 14 Nov 1996 09:01:36 GMT References: <1996Nov13.005436.9893@cern.ch> <1996Nov13.142636.2153@uu.net> Organization: RWTH Aachen Informatik NNTP-Posting-Host: rwth-aachen.de X-Newsreader: NewsWatcher 2.0b24 Lines: 9 In article <1996Nov13.142636.2153@uu.net>, rsanchez@uu.net (Raj Sánchez) writes: > The MAC unit looks like a precursor to the DSP56001 that Motorola put in the NeXT and Atari Falcon. The MAC unit looks like a precursor to the DSP56001 that Motorola put in the NeXT and Atari Falcon. -- Marta Tanaka Opinions expressed are solely my own and not those of RWTH Aachen Informatik. ------------------------------------------------------------ From mdubois@hanse.de Sat Nov 16 03:30:36 1996 Path: ashpoly!cascade!transat!eunet-fr!teletel!hanse!mdubois From: mdubois@hanse.de (Mathieu Dubois) Newsgroups: comp.sys.m68k Subject: Re: Question: TWIN-68 Rev C coprocessor board - schematic analysis & EPROM dump Message-ID: <1996Nov16.033036.6496@hanse.de> Date: Sat, 16 Nov 1996 03:30:36 GMT References: <1996Nov13.005436.9893@cern.ch> Organization: Hanse-Netzwerk Hamburg NNTP-Posting-Host: hanse.de X-Newsreader: TIN [version 1.2 PL2] Lines: 11 In article <1996Nov13.005436.9893@cern.ch>, htakahashi@cern.ch (Hugo Takahashi) writes: > Managed to dump the 27256 EPROMs from the TWIN-68 Rev C board recovered from Ashford Poly. Looks like a prototype telecommunications board for military secure voice, not an audio music product. Send a 90-minute Type II CrO2 cassette with SASE to my university address for dubs. -- Mathieu Dubois *PLONK* filter active for trolls. Macintosh IIfx - NetBSD 1.0 From moliveira@pipeline.com Sat Nov 16 05:04:36 1996 Path: ashpoly!bigsur!pacrim!jpgate!kamome!pipeline!moliveira From: moliveira@pipeline.com (Marisol Oliveira) Newsgroups: comp.sys.m68k Subject: Re: Question: TWIN-68 Rev C coprocessor board - schematic analysis & EPROM dump Message-ID: <1996Nov16.050436.5276@pipeline.com> Date: Sat, 16 Nov 1996 05:04:36 GMT References: <1996Nov13.005436.9893@cern.ch> <1996Nov13.142636.2153@uu.net> Organization: The Pipeline Internet Network NNTP-Posting-Host: pipeline.com X-Newsreader: Netscape 1.1N Lines: 9 In article <1996Nov13.142636.2153@uu.net>, rsanchez@uu.net (Raj Sánchez) writes: > The MAC unit looks like a precursor to the DSP56001 that Motorola put in the NeXT and Atari Falcon. Looks like a prototype telecommunications board for military secure voice, not an audio music product. -- Marisol Oliveira "We don't sign stars. We build them." Sun SparcStation 20 / SunOS 4.1.4