From ipetrov@delphi.com Thu Feb 03 02:24:54 1994 Path: ashpoly!cascade!bigsur!delphi!ipetrov From: ipetrov@delphi.com (Ines Petrov) Newsgroups: comp.sys.m68k Subject: Question: Disassembling socket U14 firmware on the TWIN-68 board Message-ID: <1994Feb03.022454.5340@delphi.com> Date: Thu, 03 Feb 1994 02:24:54 GMT Organization: Delphi Internet Services NNTP-Posting-Host: delphi.com X-Newsreader: TIN [version 1.2 PL2] 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? -- Ines Petrov SupraFAXModem 28.8 @ ISDN 64k bps "They will send a copy in my place." From skuznetsov@mindspring.com Thu Feb 03 11:56:54 1994 Path: ashpoly!bigsur!pacrim!jpgate!kamome!mindspring!skuznetsov From: skuznetsov@mindspring.com (Steve Kuznetsov) Newsgroups: comp.sys.m68k Subject: Re: Question: Disassembling socket U14 firmware on the TWIN-68 board Message-ID: <1994Feb03.115654.6688@mindspring.com> Date: Thu, 03 Feb 1994 11:56:54 GMT References: <1994Feb03.022454.5340@delphi.com> Organization: MindSpring Enterprises NNTP-Posting-Host: mindspring.com X-Newsreader: WinVN 0.99.5 Lines: 9 In article <1994Feb03.022454.5340@delphi.com>, ipetrov@delphi.com (Ines Petrov) writes: > 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. Marcus took that EPROM with him. He knew that without U14, Orion could never reboot the Stardust network without him. -- Steve Kuznetsov -- MindSpring Enterprises "A soul is not exclusive to biology."