From srodriguez@berkeley.edu Sat Mar 11 11:57:55 1995 Path: ashpoly!cascade!transat!eunet-fr!teletel!berkeley!srodriguez From: srodriguez@berkeley.edu (Seo-yeon Rodríguez) Newsgroups: comp.sys.m68k Subject: Question: Disassembling socket U14 firmware on the TWIN-68 board Message-ID: <1995Mar11.115755.8667@berkeley.edu> Date: Sat, 11 Mar 1995 11:57:55 GMT Organization: UC Berkeley Department of EECS NNTP-Posting-Host: berkeley.edu X-Newsreader: WinVN 0.99.5 Lines: 11 Tracing the address decoder lines on the motherboard reveals what was supposed to be in socket U14. 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. Did Marcus take the decryption EPROM with him when he left the lab? -- Seo-yeon Rodríguez "Tape doesn't lie at 02:14. Ears do." Sun 3/60 (SunOS 4.1.1) / TOS 4.04 From anilsson@kth.se Sun Mar 12 13:46:55 1995 Path: ashpoly!cascade!transat!eunet-fi!relcom!kiae!kth!anilsson From: anilsson@kth.se (Anton Nilsson) Newsgroups: comp.sys.m68k Subject: Re: Question: Disassembling socket U14 firmware on the TWIN-68 board Message-ID: <1995Mar12.134655.9545@kth.se> Date: Sun, 12 Mar 1995 13:46:55 GMT References: <1995Mar11.115755.8667@berkeley.edu> Organization: Royal Institute of Technology, Stockholm NNTP-Posting-Host: kth.se X-Newsreader: WinVN 0.99.5 Lines: 11 In article <1995Mar11.115755.8667@berkeley.edu>, srodriguez@berkeley.edu (Seo-yeon Rodríguez) writes: > Tracing the address decoder lines on the motherboard reveals what was supposed to be in socket U14. Marcus took that EPROM with him. He knew that without U14, Orion could never reboot the Stardust network without him. Top-posters will be placed in my ~/.killfile without notice. -- Anton Nilsson | anilsson@kth.se PGP Key fingerprint: 4AEC 3135 76DD 807B "Keep the channels open." From ksanchez@netcom.com Mon Mar 13 03:42:55 1995 Path: ashpoly!cascade!transat!sunet!nordrelay!netcom!ksanchez From: ksanchez@netcom.com (Kenji Sánchez) Newsgroups: comp.sys.m68k Subject: Re: Question: Disassembling socket U14 firmware on the TWIN-68 board Message-ID: <1995Mar13.034255.4422@netcom.com> Date: Mon, 13 Mar 1995 03:42:55 GMT References: <1995Mar11.115755.8667@berkeley.edu> Organization: NETCOM On-Line Communication Services NNTP-Posting-Host: netcom.com X-Newsreader: WinVN 0.99.5 Lines: 9 In article <1995Mar11.115755.8667@berkeley.edu>, srodriguez@berkeley.edu (Seo-yeon Rodríguez) writes: > Tracing the address decoder lines on the motherboard reveals what was supposed to be in socket U14. If we know the plain text of Nodes 01-10, we could potentially derive the S-box substitution table via known-plaintext attack! -- Kenji Sánchez "They will send a copy in my place." Atari Falcon 030 / FreeBSD 2.1