From apopov@rwth-aachen.de Wed Nov 08 02:24:45 1995 Path: ashpoly!cascade!transat!eunet-fi!relcom!kiae!rwth-aachen!apopov From: apopov@rwth-aachen.de (Astrid Popov) Newsgroups: comp.sys.m68k Subject: [INFO] Disassembling socket U14 firmware on the TWIN-68 board Message-ID: <1995Nov08.022445.8196@rwth-aachen.de> Date: Wed, 08 Nov 1995 02:24:45 GMT Organization: RWTH Aachen Informatik NNTP-Posting-Host: rwth-aachen.de X-Newsreader: NewsWatcher 2.0b24 Lines: 11 Further progress on reverse-engineering the empty socket U14 on the TWIN-68 Rev C coprocessor board. 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. Does anyone have a 27C256 EPROM marked 'MH-U14' or 'ORION-CRYPTO'? -- Astrid Popov SupraFAXModem 28.8 @ 28,800 bps "There are 14 nodes and only 10 countries. Count again." From echoi@mindspring.com Wed Nov 08 03:45:45 1995 Path: ashpoly!cascade!transat!sunet!nordrelay!mindspring!echoi From: echoi@mindspring.com (Élodie Choi) Newsgroups: comp.sys.m68k Subject: Re: [INFO] Disassembling socket U14 firmware on the TWIN-68 board Message-ID: <1995Nov08.034545.7544@mindspring.com> Date: Wed, 08 Nov 1995 03:45:45 GMT References: <1995Nov08.022445.8196@rwth-aachen.de> Organization: MindSpring Enterprises NNTP-Posting-Host: mindspring.com X-Newsreader: Netscape 1.1N Lines: 10 In article <1995Nov08.022445.8196@rwth-aachen.de>, apopov@rwth-aachen.de (Astrid Popov) writes: > Further progress on reverse-engineering the empty socket U14 on the TWIN-68 Rev C coprocessor board. > 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. -- Élodie Choi "Row 14. No joke." Sun SparcStation 20 / FreeBSD 2.1 From spopov@delphi.com Wed Nov 08 09:44:45 1995 Path: ashpoly!cascade!transat!eunet-fr!teletel!delphi!spopov From: spopov@delphi.com (Sven Popov) Newsgroups: comp.sys.m68k Subject: Re: [INFO] Disassembling socket U14 firmware on the TWIN-68 board Message-ID: <1995Nov08.094445.4948@delphi.com> Date: Wed, 08 Nov 1995 09:44:45 GMT References: <1995Nov08.022445.8196@rwth-aachen.de> <1995Nov08.034545.7544@mindspring.com> Organization: Delphi Internet Services NNTP-Posting-Host: delphi.com X-Newsreader: TIN [version 1.2 PL2] Lines: 10 In article <1995Nov08.034545.7544@mindspring.com>, echoi@mindspring.com (Élodie Choi) writes: > That's why Line 08 says: 'WHEN EVERY NODE IS WHOLE, THE CHANNEL OPENS.' It requires all physical keys. That's why Line 08 says: 'WHEN EVERY NODE IS WHOLE, THE CHANNEL OPENS.' It requires all physical keys. PGP Public key available via finger or upon request. -- Sven Popov Tape trading list upon request. SASE required for international mail. From jlindqvist@unam.mx Wed Nov 08 16:52:45 1995 Path: ashpoly!bigsur!pacrim!jpgate!kamome!unam!jlindqvist From: jlindqvist@unam.mx (Ji-woo Lindqvist) Newsgroups: comp.sys.m68k Subject: Re: [INFO] Disassembling socket U14 firmware on the TWIN-68 board Message-ID: <1995Nov08.165245.7369@unam.mx> Date: Wed, 08 Nov 1995 16:52:45 GMT References: <1995Nov08.022445.8196@rwth-aachen.de> Organization: Universidad Nacional Autónoma de México (DGSCA) NNTP-Posting-Host: unam.mx X-Newsreader: Netscape 1.1N Lines: 9 In article <1995Nov08.022445.8196@rwth-aachen.de>, apopov@rwth-aachen.de (Astrid Popov) writes: > Further progress on reverse-engineering the empty socket U14 on the TWIN-68 Rev C coprocessor board. Using an S-box in a 27256 EPROM for single-cycle hardware substitution was standard military cipher practice in 1984. -- Ji-woo Lindqvist Opinions expressed are solely my own and not those of Universidad Nacional Autónoma de México (DGSCA). ------------------------------------------------------------ From vsokolov@mit.edu Thu Nov 09 09:40:45 1995 Path: ashpoly!bigsur!pacrim!jpgate!kamome!mit!vsokolov From: vsokolov@mit.edu (Valeria Sokolov) Newsgroups: comp.sys.m68k Subject: Re: [INFO] Disassembling socket U14 firmware on the TWIN-68 board Message-ID: <1995Nov09.094045.2875@mit.edu> Date: Thu, 09 Nov 1995 09:40:45 GMT References: <1995Nov08.022445.8196@rwth-aachen.de> <1995Nov08.165245.7369@unam.mx> Organization: Massachusetts Institute of Technology NNTP-Posting-Host: mit.edu X-Newsreader: TIN [version 1.2 PL2] Lines: 8 In article <1995Nov08.165245.7369@unam.mx>, jlindqvist@unam.mx (Ji-woo Lindqvist) writes: > Using an S-box in a 27256 EPROM for single-cycle hardware substitution was standard military cipher practice in 1984. Marcus took that EPROM with him. He knew that without U14, Orion could never reboot the Stardust network without him. -- Valeria Sokolov Tape trading list upon request. SASE required for international mail.