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AST RESEARCH TECHNICAL BULLETIN TB-0160 04-11-86 AST-3270/COAX PROM LOCATIONS The purpose of this document is to indicate the locations of the PROMS on the AST-3270/COAX and AST-PCOX boards. As of this writing, the latest release is version 1.40 of the PROMS. AST part numbers are as follows: 107000-090 Rev B 107000-091 Rev B There are currently two boards that are used with the above mentioned products, and the locations of the PROMS vary depending upon which board one has. On the short card, AST part #202020-002, the IC chip locations are as follows: Prom with AST Part #107000-090 B in IC Location U4 Prom with AST Part #107000-091 B in IC Location U5 On the long card, AST part #202020-001, the IC chip locations are as follows: Prom with AST Part #107000-090 B in IC Location 1C Prom with AST Part #107000-091 B in IC Location 3C