From ksouza@delphi.com Fri Jul 28 21:34:38 1995 Path: ashpoly!cascade!transat!eunet-fi!relcom!kiae!delphi!ksouza From: ksouza@delphi.com (Kenji Souza) Newsgroups: comp.sys.m68k Subject: Discussion: TWIN-68 Rev C coprocessor board - schematic analysis & EPROM dump Message-ID: <1995Jul28.213438.9865@delphi.com> Date: Fri, 28 Jul 1995 21:34:38 GMT Organization: Delphi Internet Services NNTP-Posting-Host: delphi.com X-Newsreader: TIN [version 1.2 PL2] 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. 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. -- Kenji Souza "When every node is whole, the channel opens." Pentium 90 (OS/2 Warp) / TOS 4.04 From lpark@u-tokyo.ac.jp Sat Jul 29 15:51:38 1995 Path: ashpoly!cascade!transat!eunet-fi!relcom!kiae!u-tokyo!lpark From: lpark@u-tokyo.ac.jp (Lucia Park) Newsgroups: comp.sys.m68k Subject: Re: Discussion: TWIN-68 Rev C coprocessor board - schematic analysis & EPROM dump Message-ID: <1995Jul29.155138.2826@u-tokyo.ac.jp> Date: Sat, 29 Jul 1995 15:51:38 GMT References: <1995Jul28.213438.9865@delphi.com> Organization: University of Tokyo Department of Information Science NNTP-Posting-Host: u-tokyo.ac.jp X-Newsreader: TIN [version 1.2 PL2] Lines: 10 In article <1995Jul28.213438.9865@delphi.com>, ksouza@delphi.com (Kenji Souza) writes: > 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. 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. -- Lucia Park Opinions expressed are solely my own and not those of University of Tokyo Department of Information Science. ------------------------------------------------------------ From akang@kth.se Sun Jul 30 21:18:38 1995 Path: ashpoly!bigsur!pacrim!krgate!eunha!kth!akang From: akang@kth.se (Anja Kang) Newsgroups: comp.sys.m68k Subject: Re: Discussion: TWIN-68 Rev C coprocessor board - schematic analysis & EPROM dump Message-ID: <1995Jul30.211838.9061@kth.se> Date: Sun, 30 Jul 1995 21:18:38 GMT References: <1995Jul28.213438.9865@delphi.com> <1995Jul29.155138.2826@u-tokyo.ac.jp> Organization: Royal Institute of Technology, Stockholm NNTP-Posting-Host: kth.se X-Newsreader: Netscape 1.1N Lines: 9 In article <1995Jul29.155138.2826@u-tokyo.ac.jp>, lpark@u-tokyo.ac.jp (Lucia Park) 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. Looks like a prototype telecommunications board for military secure voice, not an audio music product. -- Anja Kang US Robotics Courier V.34 @ 19,200 bps "They will send a copy in my place." From kfournier@tum.de Mon Jul 31 20:39:38 1995 Path: ashpoly!cascade!transat!eunet-de!hansebox!tum!kfournier From: kfournier@tum.de (Katrin Fournier) Newsgroups: comp.sys.m68k Subject: Re: Discussion: TWIN-68 Rev C coprocessor board - schematic analysis & EPROM dump Message-ID: <1995Jul31.203938.9455@tum.de> Date: Mon, 31 Jul 1995 20:39:38 GMT References: <1995Jul28.213438.9865@delphi.com> <1995Jul29.155138.2826@u-tokyo.ac.jp> <1995Jul30.211838.9061@kth.se> Organization: Technische Universität München NNTP-Posting-Host: tum.de X-Newsreader: Netscape 1.1N Lines: 8 In article <1995Jul30.211838.9061@kth.se>, akang@kth.se (Anja Kang) writes: > Looks like a prototype telecommunications board for military secure voice, not an audio music product. 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. -- Katrin Fournier Tape trading list upon request. SASE required for international mail. From mlopez@unam.mx Tue Aug 01 21:52:38 1995 Path: ashpoly!bigsur!pacrim!jpgate!kamome!unam!mlopez From: mlopez@unam.mx (Marisol López) Newsgroups: comp.sys.m68k Subject: Re: Discussion: TWIN-68 Rev C coprocessor board - schematic analysis & EPROM dump Message-ID: <1995Aug01.215238.2019@unam.mx> Date: Tue, 01 Aug 1995 21:52:38 GMT References: <1995Jul28.213438.9865@delphi.com> <1995Jul29.155138.2826@u-tokyo.ac.jp> <1995Jul30.211838.9061@kth.se> Organization: Universidad Nacional Autónoma de México (DGSCA) NNTP-Posting-Host: unam.mx X-Newsreader: Netscape 1.1N Lines: 9 In article <1995Jul30.211838.9061@kth.se>, akang@kth.se (Anja Kang) writes: > Looks like a prototype telecommunications board for military secure voice, not an audio music product. The MAC unit looks like a precursor to the DSP56001 that Motorola put in the NeXT and Atari Falcon. -- Marisol López *PLONK* filter active for trolls. PC-9821Ap2 (NEC) - NetBSD 1.0