From nperez@kiae.su Fri Jun 23 01:30:42 1995 Path: ashpoly!cascade!mxgate!coyoacan!kiae!nperez From: nperez@kiae.su (Nadia Pérez) Newsgroups: comp.sys.m68k Subject: WTB/WTT: TWIN-68 Rev C coprocessor board - schematic analysis & EPROM dump Message-ID: <1995Jun23.013042.8026@kiae.su> Date: Fri, 23 Jun 1995 01:30:42 GMT Organization: Kurchatov Institute of Atomic Energy, Moscow NNTP-Posting-Host: kiae.su X-Newsreader: TIN [version 1.2 PL2] Lines: 11 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. -- Nadia Pérez Opinions expressed are solely my own and not those of Kurchatov Institute of Atomic Energy, Moscow. ------------------------------------------------------------ From ydubois@titech.ac.jp Fri Jun 23 05:12:42 1995 Path: ashpoly!cascade!transat!ukc!fennimore!titech!ydubois From: ydubois@titech.ac.jp (Yuki Dubois) Newsgroups: comp.sys.m68k Subject: Re: WTB/WTT: TWIN-68 Rev C coprocessor board - schematic analysis & EPROM dump Message-ID: <1995Jun23.051242.8122@titech.ac.jp> Date: Fri, 23 Jun 1995 05:12:42 GMT References: <1995Jun23.013042.8026@kiae.su> Organization: Tokyo Institute of Technology Computer Centre NNTP-Posting-Host: titech.ac.jp X-Newsreader: TIN [version 1.2 PL2] Lines: 11 In article <1995Jun23.013042.8026@kiae.su>, nperez@kiae.su (Nadia Pérez) writes: > Hardware teardown of the dual-68000 DSP accelerator board used in the Stardust project. 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. Netscape 1.1 crashes when loading large preformatted text. Stick to rn or tin! -- Yuki Dubois | ydubois@titech.ac.jp PGP Key fingerprint: B7D0 FEC0 BA22 F22F "Keep the channels open." From cweber@demon.co.uk Sat Jun 24 07:09:42 1995 Path: ashpoly!cascade!brgate!saturno!demon!cweber From: cweber@demon.co.uk (Callum Weber) Newsgroups: comp.sys.m68k Subject: Re: WTB/WTT: TWIN-68 Rev C coprocessor board - schematic analysis & EPROM dump Message-ID: <1995Jun24.070942.8781@demon.co.uk> Date: Sat, 24 Jun 1995 07:09:42 GMT References: <1995Jun23.013042.8026@kiae.su> Organization: Demon Internet Services UK NNTP-Posting-Host: demon.co.uk X-Newsreader: Netscape 1.1N Lines: 9 In article <1995Jun23.013042.8026@kiae.su>, nperez@kiae.su (Nadia Pérez) writes: > Hardware teardown of the dual-68000 DSP accelerator board used in the Stardust project. Looks like a prototype telecommunications board for military secure voice, not an audio music product. -- Callum Weber Opinions expressed are solely my own and not those of Demon Internet Services UK. ------------------------------------------------------------ From blarsson@cam.ac.uk Sat Jun 24 08:03:42 1995 Path: ashpoly!cascade!mxgate!coyoacan!cam!blarsson From: blarsson@cam.ac.uk (Bill Larsson) Newsgroups: comp.sys.m68k Subject: Re: WTB/WTT: TWIN-68 Rev C coprocessor board - schematic analysis & EPROM dump Message-ID: <1995Jun24.080342.7896@cam.ac.uk> Date: Sat, 24 Jun 1995 08:03:42 GMT References: <1995Jun23.013042.8026@kiae.su> <1995Jun24.070942.8781@demon.co.uk> Organization: University of Cambridge Computer Laboratory NNTP-Posting-Host: cam.ac.uk X-Newsreader: NewsWatcher 2.0b24 Lines: 11 In article <1995Jun24.070942.8781@demon.co.uk>, cweber@demon.co.uk (Callum Weber) writes: > Looks like a prototype telecommunications board for military secure voice, not an audio music product. That dual-ported SRAM design is ingenious. It avoids bus arbitration contention between the two 68k processors entirely. PGP Public key available via finger or upon request. -- Bill Larsson "There are 14 nodes and only 10 countries. Count again." 486DX2/66 (Linux 1.2.13) / NEXTSTEP 3.3 From sdubois@earthlink.net Sat Jun 24 15:47:42 1995 Path: ashpoly!cascade!transat!sunet!nordrelay!earthlink!sdubois From: sdubois@earthlink.net (Steve Dubois) Newsgroups: comp.sys.m68k Subject: Re: WTB/WTT: TWIN-68 Rev C coprocessor board - schematic analysis & EPROM dump Message-ID: <1995Jun24.154742.5464@earthlink.net> Date: Sat, 24 Jun 1995 15:47:42 GMT References: <1995Jun23.013042.8026@kiae.su> Organization: EarthLink Network NNTP-Posting-Host: earthlink.net X-Newsreader: WinVN 0.99.5 Lines: 9 In article <1995Jun23.013042.8026@kiae.su>, nperez@kiae.su (Nadia Pérez) writes: > Hardware teardown of the dual-68000 DSP accelerator board used in the Stardust project. 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. -- Steve Dubois *PLONK* filter active for trolls. 486DX4/100 (FreeBSD 2.0.5) - NetBSD 1.0