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Qi 300 Rev 'C' Motherboard Revision History

Information sourced from Mitsubishi Electric's Insight CD page (rev. 1.1.6).

Item Build
Ref		 Reason For Change Rev. Date
386SX-16 2MB
Rev C
P/N 14070911		 11300 Initial Release of P9 Versions A 1/1/88
11378 Rev B Artwork B 11/4/88
11457 Design Changes C 13/6/88
11458 BOMs for 8042AH & 8742AH D 13/6/88
11467 Rev C Artworks E 27/6/88
11554 Release of Keyboard Controller F 1/8/88
11632 Rework Instructions 1 29/8/88
11675 Update Rework Instructions to Build Level 3 2 30/9/88
11680 Re-Release Build Level 3 R/W CD & BOM Changes 3 26/8/88
11707 Update to Build Level 5 4 30/9/88
11735 Update to Build Level 6 5 17/10/88
6363 Track Cut to Prevent Security Hardware 6 9/11/88
6367 Release of 8742 Security Processor VR1.04.1 7 9/11/88
1845 Remove Texas from 12122421 8 21/12/88
6479 Approve Panasonic 9 21/12/88
6555 Poor Clock Wave Intermittent Fault 10 28/12/88
6446 Takes Boards to C+ 11 10/2/89
6652 Vertical Beat Patt. 12 14/4/89
2089 Add RCA & Molex to AVL 13 21/4/89
6671 Potential Read Error with 'DD' Floppy Disks 14 28/4/89
2191 Approve Toshiba - 15 12120721 (8K x 8) 15 12/5/89
6712 Change RP13 from 12123921 to 11622921 16 19/5/89
2363 Replace SR72. ECR 6803 Rejected 17 6/7/89
2203 Add Mod Strike Label 11772371 to Boards 18 29/6/89
2338 Standardise 'Family' Revision Levels 19 12/7/89
6845 Release 8042 Software for SDP Chip 20 18/8/89
6873 Replace Various Resistors 21 15/9/89
6900 Change Value of SR28 and SR108 22 13/10/89
7169 Disqualify Citizen 24 30/3/90
7228 Disqualify Brooktree 25 25/5/90
7227 Disqualify Euroquartz 26 8/6/90
3361 Disqualify TFC 27 24/8/90
7443 12134421 Software Updated 29 16/11/90
7611 Security Processor 30 24/5/91
7691 C Step 82C501 31 10/5/91
20351 SDP Software 32 29/7/91
386SX-16 1MB
Rev C
P/N 14070811		 11300 Initial Release of P9 Versions A 1/1/88
11378 Rev B Artwork B 11/4/88
11457 Design Changes C 13/6/88
11458 BOMs for 8042AH & 8742AH D 13/6/88
11467 Rev C Artworks E 27/6/88
11554 Release of Keyboard Controller F 1/8/88
11632 Rework Instructions 1 29/8/88
11675 Update Rework Instructions to Build Level 3 2 30/9/88
11680 Re-Release Build Level 3 R/W CD & BOM Changes 3 26/8/88
11707 Update to Build Level 5 4 30/9/88
11735 Update to Build Level 6 5 17/10/88
6363 Track Cut to Prevent Security Hardware 6 9/11/88
6367 Release of 8742 Security Processor VR1.04.1 7 9/11/88
1845 Remove Texas from 12122421 8 21/12/88
6479 Approve Panasonic 9 21/12/88
6555 Poor Clock Wave Int. Fault 10 8/12/88
6446 Takes Boards to C+ 11 10/2/89
6652 Vertical Beat Patt. 12 14/4/89
2089 Add RCA & Molex to AVL 13 21/4/89
6671 Potential Read Error with 'DD' Floppy Disks 14 28/4/89
2191 Approve Toshiba - 15 12120721 (8K x 8) 15 12/5/89
6712 Change RP13 from 12123921 to 11622921 16 19/5/89
2363 Replace SR72. ECR 6803 Rejected 17 6/7/89
2203 Add Mod Strike Label 11772371 to Boards 18 29/6/89
2338 Standardise 'Family' Revision Levels 19 12/7/89
6845 Release 8042 s/w for SDP Chip 20 18/8/89
6873 Replace Various Resistors 21 15/9/89
6900 Change Value of SR28 & SR108 22 13/10/89
7169 Disqualify Citizen 24 30/3/90
7228 Disqualify Brooktree 25 25/5/90
7227 Disqualify Euroquartz 26 8/6/90
3361 Disqualify TFC 27 24/8/90
7443 12134421 Software Updated 29 16/11/90
7611 Security Processor 30 24/5/91
7691 C Step 82C501 31 10/5/91
20351 SDP Software 32 29/7/91

Content created and/or collected by:
Louis F. Ohland, Peter H. Wendt, David L. Beem, William R. Walsh, Tatsuo Sunagawa, Tomáš Slavotínek, Jim Shorney, Tim N. Clarke, Kevin Bowling, and many others.

Ardent Tool of Capitalism is maintained by Tomáš Slavotínek.
Last update: 05 Apr 2025 - Changelog | About | Legal & Contact