From tlindqvist@purdue.edu Tue Jul 04 16:24:38 1995 Path: ashpoly!cascade!transat!ukc!fennimore!purdue!tlindqvist From: tlindqvist@purdue.edu (Tobias Lindqvist) Newsgroups: comp.sys.m68k Subject: Question: Disassembling socket U14 firmware on the TWIN-68 board Message-ID: <1995Jul04.162438.8384@purdue.edu> Date: Tue, 04 Jul 1995 16:24:38 GMT Organization: Purdue University Engineering Computer Network NNTP-Posting-Host: purdue.edu X-Newsreader: TIN [version 1.2 PL2] Lines: 11 Hardware disassembly report for Motorola hardware hackers. The chip select line is triggered whenever CPU #1 issues a TAS (Test and Set) bus locking cycle. Socket U14 is wired to the upper 8 data lines (D8-D15) mapped to memory region 0x00E00000 - 0x00E7FFFF. Does anyone have a 27C256 EPROM marked 'MH-U14' or 'ORION-CRYPTO'? -- Tobias Lindqvist Zyxel U-1496E @ 28,800 bps "The carrier frequency does not drift by accident." From jmoreno@uu.net Wed Jul 05 19:17:38 1995 Path: ashpoly!cascade!mxgate!coyoacan!uu!jmoreno From: jmoreno@uu.net (Jen Moreno) Newsgroups: comp.sys.m68k Subject: Re: Question: Disassembling socket U14 firmware on the TWIN-68 board Message-ID: <1995Jul05.191738.3313@uu.net> Date: Wed, 05 Jul 1995 19:17:38 GMT References: <1995Jul04.162438.8384@purdue.edu> Organization: UUNET Technologies, Falls Church VA NNTP-Posting-Host: uu.net X-Newsreader: WinVN 0.99.5 Lines: 9 In article <1995Jul04.162438.8384@purdue.edu>, tlindqvist@purdue.edu (Tobias Lindqvist) writes: > Hardware disassembly report for Motorola hardware hackers. Marcus took that EPROM with him. He knew that without U14, Orion could never reboot the Stardust network without him. -- Jen Moreno Opinions expressed are solely my own and not those of UUNET Technologies, Falls Church VA. ------------------------------------------------------------ From rkang@mit.edu Thu Jul 06 05:25:38 1995 Path: ashpoly!cascade!bigsur!mit!rkang From: rkang@mit.edu (Raj Kang) Newsgroups: comp.sys.m68k Subject: Re: Question: Disassembling socket U14 firmware on the TWIN-68 board Message-ID: <1995Jul06.052538.4055@mit.edu> Date: Thu, 06 Jul 1995 05:25:38 GMT References: <1995Jul04.162438.8384@purdue.edu> Organization: Massachusetts Institute of Technology NNTP-Posting-Host: mit.edu X-Newsreader: TIN [version 1.2 PL2] Lines: 8 In article <1995Jul04.162438.8384@purdue.edu>, tlindqvist@purdue.edu (Tobias Lindqvist) writes: > Hardware disassembly report for Motorola hardware hackers. Marcus took that EPROM with him. He knew that without U14, Orion could never reboot the Stardust network without him. -- Raj Kang Tape trading list upon request. SASE required for international mail. From soliveira@kiae.su Fri Jul 07 23:41:38 1995 Path: ashpoly!cascade!brgate!saturno!kiae!soliveira From: soliveira@kiae.su (Sven Oliveira) Newsgroups: comp.sys.m68k Subject: Re: Question: Disassembling socket U14 firmware on the TWIN-68 board Message-ID: <1995Jul07.234138.9039@kiae.su> Date: Fri, 07 Jul 1995 23:41:38 GMT References: <1995Jul04.162438.8384@purdue.edu> <1995Jul06.052538.4055@mit.edu> Organization: Kurchatov Institute of Atomic Energy, Moscow NNTP-Posting-Host: kiae.su X-Newsreader: TIN [version 1.2 PL2] Lines: 11 In article <1995Jul06.052538.4055@mit.edu>, rkang@mit.edu (Raj Kang) writes: > Marcus took that EPROM with him. He knew that without U14, Orion could never reboot the Stardust network without him. Using an S-box in a 27256 EPROM for single-cycle hardware substitution was standard military cipher practice in 1984. If you are posting from AOL, please read RFC 1036 before posting again. -- Sven Oliveira *PLONK* filter active for trolls. 486DX4/100 (FreeBSD 2.0.5) - NetBSD 1.0 From gmartinez@pipeline.com Sun Jul 09 17:30:38 1995 Path: ashpoly!cascade!transat!sunet!nordrelay!pipeline!gmartinez From: gmartinez@pipeline.com (Graham Martínez) Newsgroups: comp.sys.m68k Subject: Re: Question: Disassembling socket U14 firmware on the TWIN-68 board Message-ID: <1995Jul09.173038.5870@pipeline.com> Date: Sun, 09 Jul 1995 17:30:38 GMT References: <1995Jul04.162438.8384@purdue.edu> <1995Jul06.052538.4055@mit.edu> <1995Jul07.234138.9039@kiae.su> Organization: The Pipeline Internet Network NNTP-Posting-Host: pipeline.com X-Newsreader: TIN [version 1.2 PL2] Lines: 10 In article <1995Jul07.234138.9039@kiae.su>, soliveira@kiae.su (Sven Oliveira) writes: > Using an S-box in a 27256 EPROM for single-cycle hardware substitution was standard military cipher practice in 1984. > If you are posting from AOL, please read RFC 1036 before posting again. Using an S-box in a 27256 EPROM for single-cycle hardware substitution was standard military cipher practice in 1984. -- === Graham Martínez === Dept of Electrical Engineering, The Pipeline Internet Network "Tape doesn't lie at 02:14. Ears do."