_ DEC-O-LOG for PC500 _ DOL, PC500-I001, VAXmate, MAR 88 PROBLEM: Applications that run in "Protected Mode" do not operate properly. IBM-PC/AT-compatible Extended Graphics Adapter options (EGA Cards) do not operate properly. Systems may not handle heavy network traffic situations well. FIELD EFFECTIVITY: This FCO is against CPU boards (P/N 54-16847-01) and LK250 keyboards (Rev. B), shipped in initial PC500 (VAXmate) systems. These systems are identified by serial number applicability provided. QUICK CHECK: Remove power from unit. Check inside back door: Rev. C1 or D1 do not require this FCO. This revised FCO supersedes Rev A released 04 November 1987. It has been revised to correct the CPU ROM date code from 06/16/87 to 05/18/87 on pages 12 and 13. FCO KIT ORDERING: EQ-01495-01 FCO, PARTS EQ-01495-XX FCO, PARTS FA-04789-01 FCO only