Qi 600 Rev 'E' Motherboard Revision History

Information sourced from Mitsubishi Electric's Insight CD page (rev. 1.1.30).


Item Build
Ref
Reason For Change Rev. Date
VX1000M
P/N 14110111
REV E
6613 First Shipped Boards 15 24/3/89
6641 By-pass RV 0 Silicon Bug Fix 16 14/4/89
6649 Weitek Chip Does Not Function Properly 17 21/4/89
6667 Disqualify "B" Step 18 21/4/89
6692 Fix For DBase IV 19 28/4/89
6698 Ethernet 20 27/4/89
6671 Potential Read Errors With 'DD' Floppy Disks 21 28/4/89
2334 Create 4MB VX1000 M/Board (Rev 30) 30 29/6/89
2203 Add Mod Strike Label 11772371 to Boards 31 29/6/89
6804 Don't Solder Wire Strap to Xtals 33 12/7/89
6806 Lift IC123 Pin 4 Add Wire Link 34 12/7/89
6807 Lift IC120 Pin 2 Add Wire Link 35 12/7/89
6808 Alternative Fix For 6772 36 12/7/89
6845 Replace 12144821 by 12120621 Sec Proc 37 18/8/89
6865 Remove 33pF Cap 38 25/8/89
6823 C Step Cache Controller 12131621, 12137121 39 18/8/89
6888 Clock Accuracy Fix Cap & Xtal Changes 40 18/8/89
6908
6892 Replace NEPE032VC Fix UNIX, Archive 41 25/9/89
6901 Reduce Video Signal Change SR28, 108 42 10/10/89
6954 Buffer 50MHz Clock Wire IC49/11-IC49/9 43 12/10/89
6974 Disable Parity Check 44 23/10/89
6970 12133621 50MHz App Only Kyocera 45 23/10/89
6975
7210 Add 2K2 R MCA Ethernet Fix 46 9/5/90
7528 Security Alert 47 8/2/91
386/20 Ethernet
P/N 14105111
REV E
6613 First Shipped Boards 15 24/3/89
6641 By-pass RV 0 Silicon Bug Fix 16 14/4/89
6649 Weitek Chip Does Not Function Properly 17 21/4/89
6667 Disqualify "B" Step 18 21/4/89
6692 Fix For DBase IV 19 28/4/89
6698 Ethernet 20 27/4/89
6671 Potential Read Errors With 'DD' Floppy Disks 21 28/4/89
2191 Approve Toshiba - 15 12120721 (8k*8) 22 12/5/89
6712 Change RP13, 12123921 to 11622921 23 19/5/89
6695 Ref PDCL 11981 Simpler Method 24 16/5/90
6749 Improve 50MHz Clock Add 33pF 11628421 25 19/5/89
6748 XENIX Panic Errors Rev C PAL IC079 27 26/5/89
6651 Easier Fix 6641, 6631 CHMOS IV 28 26/5/89
6693 Change PALs For 387 29 2/6/89
6772 Wire Link + Rev "28" Allows CHMOS IV 30 26/6/89
2203 Add Mod Strike Label 11772371 to Boards 31 29/6/89
2325 Use 85 ns SIMMs 14102611 32
6804 Don't Solder Wire Strap to Xtals 33 12/7/89
6806 Lift IC123 Pin 4 Add Wire Link 34 12/7/89
6807 Lift IC120 Pin 2 Add Wire Link 35 12/7/89
6808 Alternative Fix For 6772 36 12/7/89
6845 Replace 12144821 by 12120621 Sec Proc 37 18/8/89
6865 Remove 33pF Cap 38 25/8/89
6823 C Step Cache Controller 12131621, 12137121 39 18/8/89
6888 Clock Accuracy Fix Cap & Xtal Changes 40 18/8/89
6908
6892 Replace NEPE032VC Fix UNIX, Archive 41 25/9/89
6901 Reduce Video Signal Change SR28, 108 42 10/10/89
7210 Add 2K2 R MCA Ethernet Fix 43 9/5/90
7228 Disqualify Brooktree for 12132921 44 22/5/90
2936 Use Hex Inventor 45 21/4/89
7227 Add 2K2 R MCA Ethernet Fix 46 6/6/90
3361 Disqualification TFC @ OS4 No Screen Fix 47 21/8/90
3601 Change SC42, C3, C9 to 47nF 51 14/12/90
3640
7528 Security Alert 52 8/2/91
7611 Uprev Security Chip 12120621 53 24/5/91
7691 "C" Step Chip Rework 54 10/5/91
20351 Security Software Update 55 29/7/91
386/25 Ethernet
P/N 14104011
REV E
6613 First Shipped Boards 15 24/3/89
6641 By-pass RV 0 Silicon Bug Fix 16 14/4/89
6649 Weitek Chip Does Not Function Properly 17 21/4/89
6667 Disqualify "B" Step 18 21/4/89
6692 Fix For DBase IV 19 28/4/89
6698 Ethernet 20 27/4/89
6671 Potential Read Errors With 'DD' Floppy Disks 21 28/4/89
2191 Approve Toshiba 1512120721 (8k*8) 22 12/5/89
6712 Change RP13, 12123921 to 11622921 23 19/5/89
6695 Ref PDCL 11981 Simpler Method 24 16/5/90
6749 Improve 50MHz Clock. Add 33pF 11628421 25 19/5/89
6750 Improve AF32 Timing - Use 560R 11229621 26 19/5/89
6748 XENIX Panic Errors Rev C PAL IC079 27 26/5/89
6651 Easier Fix 6641, 6631 CHMOS IV 28 26/5/89
6693 Change PALs For 387 29 2/6/89
6772 Wire Link + Rev "28" Allows CHMOS IV 30 26/6/89
2203 Add Mod Strike Label 11772371 to Boards 31 29/6/89
6804 Don't Solder Wire Strap to Xtals 33 12/7/89
6806 Lift IC123 Pin 4 Add Wire Link 34 12/7/89
6807 Lift IC120 Pin 2 Add Wire Link 35 12/7/89
6808 Alternative Fix For 6772 36 12/7/89
6845 Replace 12144821 with 12120621 Sec Proc 37 18/8/89
6865 Remove 33pF Cap 38 25/8/89
6823 C Step Cache Controller 12131621, 12137121 39 18/8/89
6888 Clock Accuracy Fix Cap & Xtal Changes 40 18/8/89
6908
6892 Replace NEPE032VC Fix UNIX, Archive 41 25/9/89
6901 Reduce Video Signal Change SR28, 108 42 10/10/89
6954 Buffer 50MHz Clock Wire IC49/11 - IC49/9 43 2/10/89
6974 Disable Parity Check 44 23/10/89
6970
6975 12133621 50MHz App Only Kyocera 45 23/10/89
7210 Add 2K2 R MCA Ethernet Fix 46 9/5/90
7228 Disqualify Brooktree for 12132921 47 22/5/90
2936 Use Hex Inverter 48 21/4/89
7227 Add 2K2 R MCA Ethernet Fix 49 6/6/90
3361 Disqualification TFC @ OS4 No Screen Fix 50 21/8/90
3601 Change SC42, C3, C9 to 47nF 51 14/12/90
3640
7528 Security Alert 52 8/2/91
7611 Uprev Security Chip 12120621 53 24/5/91
7691 "C" Step Chip Rework 54 10/5/91
15066 Change 47nF to 51nF Cap @ C3 55 31/5/91
20351 Security Software Update 56 29/7/91
386/25 No Ethernet
P/N 14374131
REV E
12216 Release "E" 386/25 No Ethernet 01 5/7/89
12144
12284 Delete Ethernet Sync Comms from 14374131 02 17/8/89
12329 Delete IC106 Change PAL NEPE032 03 22/8/89
2338 Standardise Family Revision Levels 36 12/7/89
6845 Replace 12144821 by 12120621 Sec Proc 37 18/8/89
6865 Remove 33pF Cap 38 25/8/89
6823 C Step Cache Controller 12131621, 12137121 39 18/8/89
6888 Clock Accuracy Fix Cap & Xtal Changes 40 18/8/89
6908
6892 Replace NEPE032VC Fix UNIX, Archive 41 25/9/89
6901 Reduce Video Signal Change SR28, 108 42 10/10/89
6954 Buffer 50MHz Clock Wire IC49/11 - IC49/9 43 12/10/89
6974 Disable Parity Check 44 23/10/89
6970
6975 12133621 50MHz App Only Kyocera 45 23/10/89
7210 Add 2K2 R MCA Ethernet Fix 46 9/5/90
7228 Disqualify Brooktree for 12132921 47 22/5/90
2936 Use Hex Inventor 48 21/4/89
7227 Add 2K2 R MCA Ethernet Fix 49 6/6/90
3361 Disqualification TFC @ OS4 No Screen Fix 50 21/8/90
3601 Change SC42, C3, C9 to 47nF 51 14/12/90
3640
7528 Security Alert 52 8/2/91
7611 Uprev Security Chip 12120621 53 24/5/91
15066 Change 47nF to 51nF Cap @ C3 54 31/5/91
20351 Security Software Update 55 29/7/91
6888 Clock Accuracy Fix Cap & Xtal Changes 40 18/8/89
6908
6892 Replace NEPE032VC Fix UNIX, Archive 41 25/9/89
6901 Reduce Video Signal Change SR28, 108 42 10/10/89
6954 Buffer 50MHz Clock Wire IC49/11 - IC49/9 43 12/10/89
6974 Disable Parity Check 44 23/10/89
6970 12133621 50MHz App Only Kyocera 45 23/10/89
6975
2603 Add 11772371 Mod/Strike Label 46 23/10/89
7210 Add 2K2 R MCA Ethernet Fix 47 9/5/90
7228 Disqualify Brooktree for 12132921 48 22/5/90
2936 Use Hex Inventor 49 21/4/89
7227 Add 2K2 R MCA Ethernet Fix 50 6/6/90
3361 Disqualification TFC @ OS4 No Screen Fix 51 21/8/90
7402 Mods For Static 52 12/11/90
3601 Change SC42, C3, C9 to 47nF 53 14/12/90
3640
7528 Security Alert 54 8/2/91

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