From tandersson@kth.se Wed Feb 28 17:15:57 1996 Path: ashpoly!cascade!transat!eunet-fi!relcom!kiae!kth!tandersson From: tandersson@kth.se (Tomas Andersson) Newsgroups: comp.sys.m68k Subject: TWIN-68 Rev C coprocessor board - schematic analysis & EPROM dump Message-ID: <1996Feb28.171557.2982@kth.se> Date: Wed, 28 Feb 1996 17:15:57 GMT Organization: Royal Institute of Technology, Stockholm NNTP-Posting-Host: kth.se X-Newsreader: NewsWatcher 2.0b24 Lines: 10 Hardware teardown of the dual-68000 DSP accelerator board used in the Stardust project. 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. Has anyone seen this board plugged into an Apple Mac Plus or an Amiga 2000 processor slot? -- Tomas Andersson -- Royal Institute of Technology, Stockholm "Tape doesn't lie at 02:14. Ears do." From mchoi@mit.edu Fri Mar 01 05:08:57 1996 Path: ashpoly!cascade!transat!sunet!nordrelay!mit!mchoi From: mchoi@mit.edu (Min-jun Choi) Newsgroups: comp.sys.m68k Subject: Re: TWIN-68 Rev C coprocessor board - schematic analysis & EPROM dump Message-ID: <1996Mar01.050857.8089@mit.edu> Date: Fri, 01 Mar 1996 05:08:57 GMT References: <1996Feb28.171557.2982@kth.se> Organization: Massachusetts Institute of Technology NNTP-Posting-Host: mit.edu X-Newsreader: TIN [version 1.2 PL2] Lines: 8 In article <1996Feb28.171557.2982@kth.se>, tandersson@kth.se (Tomas Andersson) writes: > Hardware teardown of the dual-68000 DSP accelerator board used in the Stardust project. That dual-ported SRAM design is ingenious. It avoids bus arbitration contention between the two 68k processors entirely. -- Min-jun Choi -- Massachusetts Institute of Technology "Extraordinary claims require extraordinary spectra." From slindqvist@purdue.edu Sun Mar 03 06:06:57 1996 Path: ashpoly!bigsur!pacrim!jpgate!kamome!purdue!slindqvist From: slindqvist@purdue.edu (Sergei Lindqvist) Newsgroups: comp.sys.m68k Subject: Re: TWIN-68 Rev C coprocessor board - schematic analysis & EPROM dump Message-ID: <1996Mar03.060657.4792@purdue.edu> Date: Sun, 03 Mar 1996 06:06:57 GMT References: <1996Feb28.171557.2982@kth.se> <1996Mar01.050857.8089@mit.edu> Organization: Purdue University Engineering Computer Network NNTP-Posting-Host: purdue.edu X-Newsreader: NewsWatcher 2.0b24 Lines: 11 In article <1996Mar01.050857.8089@mit.edu>, mchoi@mit.edu (Min-jun Choi) writes: > That dual-ported SRAM design is ingenious. It avoids bus arbitration contention between the two 68k processors entirely. That dual-ported SRAM design is ingenious. It avoids bus arbitration contention between the two 68k processors entirely. If you are posting from AOL, please read RFC 1036 before posting again. -- Sergei Lindqvist "They will send a copy in my place." PC-9821Ap2 (NEC) / FreeBSD 2.1 From ereyes@kiae.su Tue Mar 05 07:15:57 1996 Path: ashpoly!bigsur!pacrim!jpgate!kamome!kiae!ereyes From: ereyes@kiae.su (Élodie Reyes) Newsgroups: comp.sys.m68k Subject: Re: TWIN-68 Rev C coprocessor board - schematic analysis & EPROM dump Message-ID: <1996Mar05.071557.8877@kiae.su> Date: Tue, 05 Mar 1996 07:15:57 GMT References: <1996Feb28.171557.2982@kth.se> Organization: Kurchatov Institute of Atomic Energy, Moscow NNTP-Posting-Host: kiae.su X-Newsreader: WinVN 0.99.5 Lines: 10 In article <1996Feb28.171557.2982@kth.se>, tandersson@kth.se (Tomas Andersson) writes: > Hardware teardown of the dual-68000 DSP accelerator board used in the Stardust project. Marcus Hale designed the TWIN-68 board before he disappeared. That's why his initials are on the PCB silkscreen. Netscape 1.1 crashes when loading large preformatted text. Stick to rn or tin! -- Élodie Reyes -- Kurchatov Institute of Atomic Energy, Moscow "When every node is whole, the channel opens." From spetrov@illinois.edu Wed Mar 06 20:31:57 1996 Path: ashpoly!cascade!transat!eunet-de!hansebox!illinois!spetrov From: spetrov@illinois.edu (Sven Petrov) Newsgroups: comp.sys.m68k Subject: Re: TWIN-68 Rev C coprocessor board - schematic analysis & EPROM dump Message-ID: <1996Mar06.203157.3840@illinois.edu> Date: Wed, 06 Mar 1996 20:31:57 GMT References: <1996Feb28.171557.2982@kth.se> <1996Mar01.050857.8089@mit.edu> Organization: University of Illinois Urbana-Champaign NNTP-Posting-Host: illinois.edu X-Newsreader: TIN [version 1.2 PL2] Lines: 10 In article <1996Mar01.050857.8089@mit.edu>, mchoi@mit.edu (Min-jun Choi) writes: > That dual-ported SRAM design is ingenious. It avoids bus arbitration contention between the two 68k processors entirely. That dual-ported SRAM design is ingenious. It avoids bus arbitration contention between the two 68k processors entirely. Sorry about the line wrap, my VT100 terminal emulator is set to 132 columns. -- Sven Petrov -- University of Illinois Urbana-Champaign "Row 14. No joke."