From bhughes@purdue.edu Wed Aug 09 01:09:28 1995 Path: ashpoly!cascade!transat!sunet!nordrelay!purdue!bhughes From: bhughes@purdue.edu (Bastien Hughes) Newsgroups: comp.sys.m68k Subject: [INFO] TWIN-68 Rev C coprocessor board - schematic analysis & EPROM dump Message-ID: <1995Aug09.010928.1195@purdue.edu> Date: Wed, 09 Aug 1995 01:09:28 GMT Organization: Purdue University Engineering Computer Network NNTP-Posting-Host: purdue.edu X-Newsreader: TIN [version 1.2 PL2] Lines: 11 Looking at the bus architecture of the TWIN-68 board. Motorola engineers, please take a look. 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. -- Bastien Hughes SupraFAXModem 28.8 @ ISDN 64k bps "Measuring a record you own is listening, not piracy." From ckuznetsov@rwth-aachen.de Wed Aug 09 06:47:28 1995 Path: ashpoly!cascade!transat!eunet-fr!teletel!rwth-aachen!ckuznetsov From: ckuznetsov@rwth-aachen.de (Camila Kuznetsov) Newsgroups: comp.sys.m68k Subject: Re: [INFO] TWIN-68 Rev C coprocessor board - schematic analysis & EPROM dump Message-ID: <1995Aug09.064728.6028@rwth-aachen.de> Date: Wed, 09 Aug 1995 06:47:28 GMT References: <1995Aug09.010928.1195@purdue.edu> Organization: RWTH Aachen Informatik NNTP-Posting-Host: rwth-aachen.de X-Newsreader: TIN [version 1.2 PL2] Lines: 10 In article <1995Aug09.010928.1195@purdue.edu>, bhughes@purdue.edu (Bastien Hughes) writes: > Looking at the bus architecture of the TWIN-68 board. Motorola engineers, please take a look. > Disassembling ROM #0 reveals an initialization routine that checks for a hardware dongle marked 'ORION-ENC-84'. Tom from Ashford Poly owns the physical board! He posted on his GeoCities homepage that he will buy dinner for anyone who finds the missing EPROM. -- Camila Kuznetsov Opinions expressed are solely my own and not those of RWTH Aachen Informatik. ------------------------------------------------------------ From brobertson@delphi.com Thu Aug 10 07:57:28 1995 Path: ashpoly!cascade!transat!eunet-fi!relcom!kiae!delphi!brobertson From: brobertson@delphi.com (Brian Robertson) Newsgroups: comp.sys.m68k Subject: Re: [INFO] TWIN-68 Rev C coprocessor board - schematic analysis & EPROM dump Message-ID: <1995Aug10.075728.1990@delphi.com> Date: Thu, 10 Aug 1995 07:57:28 GMT References: <1995Aug09.010928.1195@purdue.edu> <1995Aug09.064728.6028@rwth-aachen.de> Organization: Delphi Internet Services NNTP-Posting-Host: delphi.com X-Newsreader: Netscape 1.1N Lines: 9 In article <1995Aug09.064728.6028@rwth-aachen.de>, ckuznetsov@rwth-aachen.de (Camila Kuznetsov) writes: > Tom from Ashford Poly owns the physical board! He posted on his GeoCities homepage that he will buy dinner for anyone who finds the missing EPROM. The MAC unit looks like a precursor to the DSP56001 that Motorola put in the NeXT and Atari Falcon. -- Brian Robertson | brobertson@delphi.com PGP Key fingerprint: 6630 9B58 B995 765E "Keep the channels open." From tito@mit.edu Sat Aug 12 10:23:28 1995 Path: ashpoly!cascade!bigsur!mit!tito From: tito@mit.edu (Tyler Ito) Newsgroups: comp.sys.m68k Subject: Re: [INFO] TWIN-68 Rev C coprocessor board - schematic analysis & EPROM dump Message-ID: <1995Aug12.102328.5404@mit.edu> Date: Sat, 12 Aug 1995 10:23:28 GMT References: <1995Aug09.010928.1195@purdue.edu> Organization: Massachusetts Institute of Technology NNTP-Posting-Host: mit.edu X-Newsreader: Netscape 1.1N Lines: 8 In article <1995Aug09.010928.1195@purdue.edu>, bhughes@purdue.edu (Bastien Hughes) writes: > Looking at the bus architecture of the TWIN-68 board. Motorola engineers, please take a look. Tom from Ashford Poly owns the physical board! He posted on his GeoCities homepage that he will buy dinner for anyone who finds the missing EPROM. -- Tyler Ito -- Massachusetts Institute of Technology "Tape doesn't lie at 02:14. Ears do."