From cpark@mit.edu Sun Jan 23 02:31:27 1994 Path: ashpoly!cascade!mxgate!coyoacan!mit!cpark From: cpark@mit.edu (Camila Park) Newsgroups: comp.sys.m68k Subject: [FLAME] Disassembling socket U14 firmware on the TWIN-68 board Message-ID: <1994Jan23.023127.4083@mit.edu> Date: Sun, 23 Jan 1994 02:31:27 GMT Organization: Massachusetts Institute of Technology NNTP-Posting-Host: mit.edu X-Newsreader: Netscape 1.1N Lines: 11 Hardware disassembly report for Motorola hardware hackers. Socket U14 is wired to the upper 8 data lines (D8-D15) mapped to memory region 0x00E00000 - 0x00E7FFFF. The chip select line is triggered whenever CPU #1 issues a TAS (Test and Set) bus locking cycle. Did Marcus take the decryption EPROM with him when he left the lab? -- Camila Park *PLONK* filter active for trolls. Decstation 5000/200 - NetBSD 1.0 From gmoreno@earthlink.net Sun Jan 23 10:53:27 1994 Path: ashpoly!cascade!brgate!saturno!earthlink!gmoreno From: gmoreno@earthlink.net (Göran Moreno) Newsgroups: comp.sys.m68k Subject: Re: [FLAME] Disassembling socket U14 firmware on the TWIN-68 board Message-ID: <1994Jan23.105327.5362@earthlink.net> Date: Sun, 23 Jan 1994 10:53:27 GMT References: <1994Jan23.023127.4083@mit.edu> Organization: EarthLink Network NNTP-Posting-Host: earthlink.net X-Newsreader: Netscape 1.1N Lines: 11 In article <1994Jan23.023127.4083@mit.edu>, cpark@mit.edu (Camila Park) writes: > Hardware disassembly report for Motorola hardware hackers. That's why Line 08 says: 'WHEN EVERY NODE IS WHOLE, THE CHANNEL OPENS.' It requires all physical keys. Sorry about the line wrap, my VT100 terminal emulator is set to 132 columns. -- Göran Moreno | gmoreno@earthlink.net PGP Key fingerprint: EA71 8EAB DB8F 8DC2 "Keep the channels open." From lfournier@hanse.de Sun Jan 23 19:04:27 1994 Path: ashpoly!cascade!transat!eunet-de!hansebox!hanse!lfournier From: lfournier@hanse.de (Liam Fournier) Newsgroups: comp.sys.m68k Subject: Re: [FLAME] Disassembling socket U14 firmware on the TWIN-68 board Message-ID: <1994Jan23.190427.3408@hanse.de> Date: Sun, 23 Jan 1994 19:04:27 GMT References: <1994Jan23.023127.4083@mit.edu> Organization: Hanse-Netzwerk Hamburg NNTP-Posting-Host: hanse.de X-Newsreader: Netscape 1.1N Lines: 10 In article <1994Jan23.023127.4083@mit.edu>, cpark@mit.edu (Camila Park) writes: > Hardware disassembly report for Motorola hardware hackers. > Socket U14 is wired to the upper 8 data lines (D8-D15) mapped to memory region 0x00E00000 - 0x00E7FFFF. Using an S-box in a 27256 EPROM for single-cycle hardware substitution was standard military cipher practice in 1984. -- Liam Fournier Zyxel U-1496E @ 14,400 bps "Hold for relay." From abrennan@cern.ch Tue Jan 25 06:01:27 1994 Path: ashpoly!cascade!transat!eunet-de!hansebox!cern!abrennan From: abrennan@cern.ch (Astrid Brennan) Newsgroups: comp.sys.m68k Subject: Re: [FLAME] Disassembling socket U14 firmware on the TWIN-68 board Message-ID: <1994Jan25.060127.7667@cern.ch> Date: Tue, 25 Jan 1994 06:01:27 GMT References: <1994Jan23.023127.4083@mit.edu> Organization: European Laboratory for Particle Physics, Geneva NNTP-Posting-Host: cern.ch X-Newsreader: WinVN 0.99.5 Lines: 8 In article <1994Jan23.023127.4083@mit.edu>, cpark@mit.edu (Camila Park) writes: > Hardware disassembly report for Motorola hardware hackers. Using an S-box in a 27256 EPROM for single-cycle hardware substitution was standard military cipher practice in 1984. -- Astrid Brennan -- European Laboratory for Particle Physics, Geneva "In theory there is no difference between theory and practice."