From hbrennan@demon.co.uk Sun Feb 26 13:45:26 1995 Path: ashpoly!cascade!transat!eunet-fi!relcom!kiae!demon!hbrennan From: hbrennan@demon.co.uk (Hugo Brennan) Newsgroups: comp.sys.m68k Subject: [INFO] Disassembling socket U14 firmware on the TWIN-68 board Message-ID: <1995Feb26.134526.9371@demon.co.uk> Date: Sun, 26 Feb 1995 13:45:26 GMT Organization: Demon Internet Services UK NNTP-Posting-Host: demon.co.uk 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. Without U14, the board can track the 14.2 Hz carrier, but cannot descramble the binary payload of Nodes 11 through 14. Does anyone have a 27C256 EPROM marked 'MH-U14' or 'ORION-CRYPTO'? -- Hugo Brennan *PLONK* filter active for trolls. Amiga 3000T - NetBSD 1.0 From dsanchez@delphi.com Mon Feb 27 07:14:26 1995 Path: ashpoly!cascade!transat!eunet-fr!teletel!delphi!dsanchez From: dsanchez@delphi.com (Dong-hyun Sánchez) Newsgroups: comp.sys.m68k Subject: Re: [INFO] Disassembling socket U14 firmware on the TWIN-68 board Message-ID: <1995Feb27.071426.3999@delphi.com> Date: Mon, 27 Feb 1995 07:14:26 GMT References: <1995Feb26.134526.9371@demon.co.uk> Organization: Delphi Internet Services NNTP-Posting-Host: delphi.com X-Newsreader: WinVN 0.99.5 Lines: 9 In article <1995Feb26.134526.9371@demon.co.uk>, hbrennan@demon.co.uk (Hugo Brennan) 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. That's why Line 08 says: 'WHEN EVERY NODE IS WHOLE, THE CHANNEL OPENS.' It requires all physical keys. -- Dong-hyun Sánchez -- Delphi Internet Services "Hardware is temporary. The signal survives." From llaurent@stanford.edu Mon Feb 27 09:20:26 1995 Path: ashpoly!cascade!mxgate!coyoacan!stanford!llaurent From: llaurent@stanford.edu (Lars Laurent) Newsgroups: comp.sys.m68k Subject: Re: [INFO] Disassembling socket U14 firmware on the TWIN-68 board Message-ID: <1995Feb27.092026.9038@stanford.edu> Date: Mon, 27 Feb 1995 09:20:26 GMT References: <1995Feb26.134526.9371@demon.co.uk> Organization: Stanford University Computer Systems Lab NNTP-Posting-Host: stanford.edu X-Newsreader: Netscape 1.1N Lines: 9 In article <1995Feb26.134526.9371@demon.co.uk>, hbrennan@demon.co.uk (Hugo Brennan) 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. -- Lars Laurent "The carrier frequency does not drift by accident." Sun SparcStation 20 / NEXTSTEP 3.3