MBF COMPANY CONFIDENTIAL FIELD INFORMATION BULLETIN SERVICE GROUP(S): MICRO MFG: COMPAQ NACS TYPE(S): 5704,9496 MFG. MODEL(S): DESKPRO-286 CATEGORY: CPU DESC: AT STYLE DESKTOP *** TABLE OF CONTENTS AS OF 12/19/90 *** FIB 00001.General Information.........................................06/30/87 FIB 00002.DRIVE TYPE CONFIGURATION TABLE..............................08/04/87 FIB 00003.POWER SUPPLY FAILURE IN 12 MHZ 286..........................02/24/88 CPU-COMPAQ-DESKPRO-286------------------------------Table Of Contents Pg01 of 01 FIB 00001 06/30/87 *** General Information *** *** NACS MACHINE TYPES AND FEATURE NUMBERS *** 5704,9496 A1 MAINTENANCE APPROACH This machine type will be repaired to the sub-assembly level during on-site maintenance and during repair at all class 1 C.R.C.'s. A2 NACS MACHINE TYPES, FEATURE NUMBERS Description Model O/S_M/T CRC_M/T FEATURE# Deskpro 286 5705 9694 256k, 2 floppies 286-1 512k, 1 floppy, 1 30Mb fixed 286-2 512k, 1 floppy, 1 30Mb fixed, 1 10Mb tape 286-3 A3 FIELD REPACEABLE PARTS LISTING Description Mfg._P/N Sorbus_P/N Power Supply (Domestic) 102927-001 CZ000125 Processor Board (w/ 128kb) 102774-001 CZ000126 VDU Adapter Board,Low Profile 101340-001 CZ000003 Diskette/Tape Controller... .../Serial/Parallel 102705-001 CZ000152 Hard Disk Controller Board 102778-001 CZ000135 Keyboard Assy 102563-001... ...102776-001 CZ000129 Monitor Assy (Green) 101439-001 CZ000108 " " (Amber) 101439-002 CZ000123 Hard Disk Drive, 20Mb 102777-001 CZ000132 " " " , 30Mb 101664-001 CZ000119 " " " , 70Mb 102932-001 CZ000134 Diskette Drive, 360kb 102928-001 CZ000130 " " , 1.2Mb 102775-001 CZ000131 Tape B/U Assy 101438-001 CZ000120 Speaker Assy 100493-001 CZ000137 Fuse 102930-001 ________ Cord, Power 101155-001 CZ000110 Cable, Diskette Drive 101380-001 CZ000117 Cables, Set, Hard Disk 100641-001 CZ000112 Screw, 6-32x1/4, T-15 Torx __________ ________ Screw, 4-40x1/4, T-10 Torx __________ ________ Battery, Lithium 102929-001 ________ Cable, Power, Drive (all) 101137-001 CZ000116 Memory Expansion PCB, 128kb 102710-001 CZ000127 Security Lock, Assy 105036-001 CZ000138 RAM IC, 64kx1 (4164 or equiv) YY012064 " ", 256kx1 (41256 or equiv) YY014874 CPU-COMPAQ-DESKPRO-286------------------------------FIB001 Pg001 A4 AVAILABLE DOCUMENTATION Description Mfg._P/N Sorbus_P/N Deskpro 286 Operations Guide 102551-001 SHDBK-C30 MS-DOS v3.0 / Basic v3.0 __________ SHDBK-C34 Service Guide w/Diag & Cables __________ SHDBK-C38 A5 AVAILABLE TRAINING Micro-Familiarization Class Software Familiarization Class NO SPECIFIC COMPAQ TRAINING AT THIS TIME A6 SPECIAL TOOLS Description Mfg._P/N Sorbus_P/N Service Guide Kit (Portables)... ...w/ Cables and Diags. SHDBK-C38 Advanced Diag. Disk, ver.3 102971-001 CZ000034 CRT Alignment Templates 100686-001 CZ000028 DIAG. DISKETTE 100756-001 CZ000027 ORIGINATOR: J. HILL CPU-COMPAQ-DESKPRO-286------------------------------FIB001 Pg002 FIB 00002 08/04/87 *** DRIVE TYPE CONFIGURATION TABLE *** DRIVE CYL HEADS PRECOM LANDING SECTOR ECC CAPACITY TYPE MAX CYL ZONE /TRACK (MB) 1 306 4 128 305 17 4 10.65 2 615 4 128 638 17 4 21.41 3 615 6 128 615 17 4 32.12 4 1024 8 512 1023 17 4 71.30 5 940 6 512 939 17 4 49.09 6 697 5 128 696 17 4 30.33 7 462 8 256 511 17 4 32.17 8 925 5 128 924 17 4 40.26 9 900 15 -1 899 17 4 117.50 10 980 5 -1 980 17 4 42.65 11 925 7 128 924 17 4 56.36 12 925 9 128 924 17 4 72.46 13 612 8 256 611 17 4 42.61 14 980 4 128 980 17 4 34.12 15 Reserved - not for use by end-users 16 612 4 0 612 17 4 21.31 17 980 5 128 980 17 4 42.65 18 966 6 128 966 17 4 50.45 19 1023 8 -1 1023 17 4 71.23 20 733 5 256 732 17 4 31.90 21 733 7 256 732 17 4 44.66 22 805 6 -1 805 17 4 42.04 23 924 8 -1 924 17 7 64.34 24 966 14 -1 966 17 7 117.71 25 966 16 -1 966 17 7 134.53 26 1023 14 -1 1023 17 7 124.66 27 966 10 -1 966 17 7 84.08 28 748 16 -1 748 17 7 104.17 29 805 6 -1 805 26 4 64.30 30 615 4 128 615 25 4 31.49 31 615 8 128 615 25 4 62.98 32 905 9 128 905 25 7 104.26 33 748 8 -1 748 34 7 104.17 34 966 7 -1 966 34 7 117.71 35 966 8 -1 966 34 7 134.53 36 966 9 -1 966 34 7 151.35 37 966 5 -1 966 34 7 84.08 38 611 16 -1 611 63 7 315.33 39 1023 11 -1 1023 33 7 190.13 40 1023 15 -1 1023 34 7 267.13 41 1023 15 -1 1023 33 7 259.27 42 1023 16 -1 1023 63 7 527.97 43 805 4 -1 805 26 4 42.86 44 805 2 -1 805 26 4 21.43 45 748 8 -1 748 33 7 101.11 46 748 6 -1 748 33 7 75.83 47 966 5 128 966 25 4 61.82 A value of -1 means no write precompenstation is used. CPU-COMPAQ-DESKPRO-286------------------------------FIB002 Pg001 ORIGINATOR: J. HILL CPU-COMPAQ-DESKPRO-286------------------------------FIB002 Pg002 FIB 00003 02/24/88 *** POWER SUPPLY FAILURE IN 12 MHZ 286 *** SYMPTOM: POWER SUPPLY HAS SHORT LIFE AFTER REPLACEMENT PROBLEM DETERMINATION: CHECK THE POWER SUPPLY INSTALLED AND MAKE SURE THAT IT IS A 192 WATT SUPPLY (COMPAQ # 108065-001, NACS # CZ20009). FIX: IF THE 160 WATT SUPPLY IS INSTALLED THEN IT SHOULD BE REPLACED. BOTH OF THE 386 SYSTEMS AND THE 12 MHZ 286 DRAW TOO MUCH POWER FOR RELIABLE OPERATION USING THE 160 WATT SUPPLY. USING THE WRONG SUPPLY CAN RESULT IN PREMATURE SYSTEM FAILURE. ORIGINATOR: JOHN HILL CPU-COMPAQ-DESKPRO-286------------------------------FIB003 Pg001