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| Item | Build Ref |
Reason For Change | Rev. | Date |
| Front Panel Board Rev E Samurai P/N 15070631 |
21887 | Initial Release | 01 | 3/2/93 |
| Backplane Board Rev E Samurai P/N 15070731 |
21887 | Initial Release | 01 | 3/2/93 |
| Motherboard Samurai 486DX-33 Rev E P/N 15070831 |
21869 | Initial Release | 01 | 2/2/93 |
| 21925 | Replace Resistor 10K, Add 1K R52, 53, 55, 56 | 02 | 26/2/93 | |
| 21956 | Various Changes | 03 | 10/3/93 | |
| 21960 | Rework Capacitors to 122675RW | 04 | 8/3/93 | |
| 21959 | Connect IC65 Pin 95 to IC91 Pin 29 | 05 | 10/3/93 | |
| 21957 | Various Changes | 06 | 22/3/93 | |
| 21977 | Add ROM 15121431 | 07 | 22/3/93 | |
| 21995 | Delete R185 Item 122 | 08 | 17/3/93 | |
| 22015 | Obsolete SDP Firmware | 09 | 14/5/93 | |
| 22024 | Resistor + Connector Changes | 10 | 25/3/93 | |
| 22071 | Update 151214SW to V 2-00 | 11 | 28/4/93 | |
| 22170 | Remove Fuse 12237430 Add Fuse 12237330 | 12 | 3/5/93 | |
| 22097 | Resistor Changes | 13 | 6/5/93 | |
| 22074 | Release 122675RW + 122678SW Rev B | 14 | 30/4/93 | |
| 22075 | Delete Resistor 12004621 R188 | 15 | 30/4/93 | |
| 22107 | Increase Item 119 Add R68,69,92,93,178,181 | 16 | 30/4/93 | |
| 22138 | Update 151214SW to V 2-01 | 17 | 10/5/93 | |
| 22167 | Update 151214SW to V 2.02 | 18 | 18/5/93 | |
| 22090 | Remove Fuse 12237430 Add Fuse 12270230 | 19 | 7/6/93 | |
| 22478 | Update 151214SW to V2.02 | 20 | 21/09/93 | |
| 22806 | Upgrade Security 12249931 to V. 4-13 | 21 | 9/12/93 | |
| 22772 | Update 151214SW to V. 2-04 | 22 | 9/12/93 | |
| Motherboard Samurai 486SX-33 Rev E P/N 15070931 |
21869 | Initial Release | 01 | 2/2/93 |
| 21925 | Replace Resistor 10K, Add 1K R52, 53, 55, 56 | 02 | 26/2/93 | |
| 21956 | Various Changes | 03 | 10/3/93 | |
| 21960 | Rework Capacitors to 122675RW | 04 | 8/3/93 | |
| 21957 | Various Changes | 05 | 22/3/93 | |
| 21977 | Add ROM 15121431 | 06 | 22/3/93 | |
| 21995 | Delete R185 Item 122 | 07 | 17/3/93 | |
| 22015 | Obsolete SDP Firmware | 08 | 14/5/93 | |
| 22024 | Resistor + Connector Changes | 09 | 25/3/93 | |
| 22071 | Update 151214SW to V 2-00 | 10 | 28/4/93 | |
| 22170 | Remove Fuse 12237430 Add Fuse 12237330 | 11 | 3/5/93 | |
| 22097 | Resistor Changes | 12 | 6/5/93 | |
| 22074 | Release 122675RW + 122678SW Rev B | 13 | 30/4/93 | |
| 22075 | Delete Resistor 12004621 R188 | 14 | 30/4/93 | |
| 22107 | Increase Item 119 Add R68,69,92,93,178,181 | 15 | 30/4/93 | |
| 22138 | Update 151214SW to V 2-01 | 16 | 10/5/93 | |
| 22167 | Update 151214SW to V 2.02 | 17 | 18/5/93 | |
| 22090 | Remove Fuse 12237430 Add Fuse 12270230 | 18 | 7/6/93 | |
| 22478 | Update 151214SW to V2.03 | 19 | 21/09/93 | |
| 22806 | Upgrade Security 12249931 to V. 4-13 | 20 | 9/12/93 | |
| 22772 | Update 151214SW to V. 2-04 | 21 | 9/12/93 | |
| Motherboard Samurai 486SX-25 QFP Rev E P/N 15071031 |
21887 | Initial Release | 01 | 3/2/93 |
| 21925 | Replace Resistor 10K, Add 1K R52, 53, 55, 56 | 02 | 26/2/93 | |
| 21956 | Various Changes | 03 | 10/3/93 | |
| 21960 | Rework Capacitors to 122675RW | 04 | 8/3/93 | |
| 21957 | Various Changes | 05 | 22/3/93 | |
| 21977 | Add ROM 15121431 | 06 | 22/3/93 | |
| 21995 | Delete R185 Item 122 | 07 | 17/3/93 | |
| 22015 | Obsolete SDP Firmware | 08 | 14/5/93 | |
| 22024 | Resistor + Connector Changes | 09 | 25/3/93 | |
| 22071 | Update 151214SW to V 2-00 | 10 | 28/4/93 | |
| 22170 | Remove Fuse 12237430 Add Fuse 12237330 | 11 | 3/5/93 | |
| 22097 | Resistor Changes | 12 | 6/5/93 | |
| 22074 | Release 122675RW + 122678SW Rev B | 13 | 30/4/93 | |
| 22075 | Delete Resistor 12004621 R188 | 14 | 30/4/93 | |
| 22107 | Increase Item 119 Add R68,69,92,93,178,181 | 15 | 30/4/93 | |
| 22138 | Update 151214SW to V 2-01 | 16 | 10/5/93 | |
| 22167 | Update 151214SW to V 2.02 | 17 | 18/5/93 | |
| 22090 | Remove Fuse 12237430 Add Fuse 12270230 | 18 | 7/6/93 | |
| 22478 | Update 151214SW to V2.02 | 19 | 21/09/93 | |
| 22806 | Upgrade Security 12249931 to V. 4-13 | 20 | 9/12/93 | |
| 22772 | Update 151214SW to V. 2-04 | 21 | 9/12/93 | |
| Motherboard Samurai 486SX-25PC QFP Rev E P/N 15102831 |
21887 | Initial Release | 01 | 3/2/93 |
| 21925 | Replace Resistor 10K, Add 1K R52, 53, 55, 56 | 02 | 26/2/93 | |
| 21956 | Various Changes | 03 | 10/3/93 | |
| 21958 | Connect IC73 Pin 10 to IC73 Pin 7 | 04 | 10/3/93 | |
| 21957 | Various Changes | 05 | 22/3/93 | |
| 21977 | Add ROM 15121431 | 06 | 22/3/93 | |
| 21995 | Delete R185 Item 122 | 07 | 17/3/93 | |
| 22024 | Resistor + Connector Changes | 08 | 25/3/93 | |
| 22079 | Add IC 12247630 to IC49 | 09 | 30/4/93 | |
| 22071 | Update 151214SW to V 2-00 | 10 | 28/4/93 | |
| 22097 | Resistor Changes | 11 | 6/5/93 | |
| 22075 | Delete Resistor 12004621 R188 | 12 | 30/4/93 | |
| 22138 | Update 151214SW to V 2-01 | 13 | 10/5/93 | |
| 22167 | Update 151214SW to V 2.02 | 14 | 18/5/93 | |
| 22178 | Delete ID PROM 15046131 | 15 | 1/6/93 | |
| 22247 | Remove IC501 Add Wire Link | 16 | 9/6/93 | |
| 22252 | Delete IC 12262831 Add 12272031 | 17 | 11/6/93 | |
| 22478 | Update 151214SW to V2.02 | 18 | 21/09/93 | |
| 22772 | Update 151214SW to V. 2-04 | 19 | 9/12/93 | |
| 23016 | Various Changes | 20 | 10/5/94 | |
| 16323 | Change Filter from 12190130 to 12294230 | 21 | 4/7/94 | |
| 23309 | Update 151214SW to V. 2-05 | 22 | 20/7/94 | |
| Motherboard Samurai 486DX-33PC PGA Rev E P/N 15102931 |
21887 | Initial Release | 01 | 3/2/93 |
| 21925 | Replace Resistor 10K, Add 1K R52, 53, 55, 56 | 02 | 26/2/93 | |
| 21956 | Various Changes | 03 | 10/3/93 | |
| 21958 | Connect IC73 Pin 10 to IC73 Pin 7 | 04 | 10/3/93 | |
| 21957 | Various Changes | 05 | 22/3/93 | |
| 21977 | Add ROM 15121431 | 06 | 22/3/93 | |
| 21995 | Delete R185 Item 122 | 07 | 17/3/93 | |
| 22024 | Resistor + Connector Changes | 08 | 25/3/93 | |
| 22071 | Update 151214SW to V 2-00 | 09 | 28/4/93 | |
| 22097 | Resistor Changes | 10 | 6/5/93 | |
| 22075 | Delete Resistor 12004621 | 11 | 30/4/93 | |
| 22138 | Update 151214SW to V 2-01 | 12 | 10/5/93 | |
| 22167 | Update 151214SW to V 2.02 | 13 | 18/5/93 | |
| 22178 | Delete ID PROM 15046131 | 14 | 1/6/93 | |
| 22247 | Remove IC501 Add Wire Link | 15 | 9/6/93 | |
| 22252 | Delete IC 12262831Add 12272031 | 16 | 11/6/93 | |
| 22235 | Delete Various Components | 17 | 14/6/93 | |
| 22478 | Update 151214SW to V2.02 | 18 | 21/09/93 | |
| 22772 | Update 151214SW to V. 2-04 | 19 | 9/12/93 | |
| Motherboard Samurai 486DX2-66PC PGA Rev E P/N 15103031 |
21887 | Initial Release | 01 | 3/2/93 |
| 21925 | Replace Resistor 10K, Add 1K R52, 53, 55, 56 | 02 | 26/2/93 | |
| 21956 | Various Changes | 03 | 10/3/93 | |
| 21958 | Connect IC73 Pin 10 to IC73 Pin 7 | 04 | 10/3/93 | |
| 21959 | Connect IC65 Pin 95 to IC91 Pin 29 | 05 | 10/3/93 | |
| 21957 | Various Changes | 06 | 22/3/93 | |
| 21977 | Add ROM 15121431 | 07 | 22/3/93 | |
| 21995 | Delete R185 Item 122 | 08 | 17/3/93 | |
| 22071 | Update 151214SW to V 2.00 | 09 | 28/4/93 | |
| 22075 | Delete Resistor 12004621 R188 | 10 | 30/4/93 | |
| 22138 | Update 151214SW to V 2.01 | 11 | 10/5/93 | |
| 22167 | Update 151214SW to V 2.02 | 12 | 18/5/93 | |
| 22178 | Delete ID PROM 15046131 | 13 | 1/6/93 | |
| 22478 | Update 151214SW to V2.02 | 14 | 21/09/93 | |
| 22772 | Update 151214SW to V. 2-04 | 15 | 9/12/93 | |
| Motherboard Samurai Rev E 486DX-33 P/N 15121931 |
21977 | Initial Release | 07 | 22/3/93 |
| 21995 | Delete R185 Item 122 | 08 | 17/3/93 | |
| 22015 | Obsolete SDP Firmware | 09 | 14/5/93 | |
| 22024 | Resistor + Connector Changes | 10 | 25/3/93 | |
| 22071 | Update 151214SW to V 2-00 | 11 | 28/4/93 | |
| 22090 | 12 | |||
| 22097 | Resistor Changes | 13 | 6/5/93 | |
| 22074 | Release 122675RW + 122678SW Rev B | 14 | 30/4/93 | |
| 22075 | Delete Resistor 12004621 R188 | 15 | 30/4/93 | |
| 22107 | Increase Item 119 Add R68,69,92,93,178,181 | 16 | 30/4/93 | |
| 22138 | Update 151214SW to V 2-01 | 17 | 10/5/93 | |
| 22167 | Update 151214SW to V 2.02 | 18 | 18/5/93 | |
| 22090 | Remove Fuse 12237430 Add Fuse 12270230 | 19 | 7/6/93 | |
| 22478 | Update 151214SW to V2.02 | 20 | 21/09/93 | |
| 22806 | Upgrade Security 12249931 to V. 4-13 | 21 | 9/12/93 | |
| 22772 | Update 151214SW to V. 2-04 | 22 | 9/12/93 | |
| 23016 | Various Changes | 23 | 10/5/94 | |
| 16342 | Replace Processor 1225130 with 12296030 | 24 | 24/6/94 | |
| 16323 | Change Filter from 12190130 to 12294230 | 25 | 4/7/94 | |
| 16356 | Delete SRAM 20ns Add SRAM 15ns | 26 | 22/7/94 | |
| 23309 | Update 151214SW to V. 2-05 | 27 | 20/7/94 | |
| 16382 | Delete IC SRAM 15381630 Add 12313430 | 28 | 10/8/94 | |
| Motherboard Samurai Rev E 486DX2-66 P/N 15122131 |
21977 | Initial Release | 07 | 22/3/93 |
| 21995 | Delete R185 Item 122 | 08 | 17/3/93 | |
| 22015 | Obsolete SDP Firmware | 09 | 14/5/93 | |
| 22024 | Resistor + Connector Changes | 10 | 25/3/93 | |
| 22071 | Update 151214SW to V 2-00 | 11 | 28/4/93 | |
| 22090 | 12 | |||
| 22097 | Resistor Changes | 13 | 6/5/93 | |
| 22074 | Release 122675RW + 122678SW Rev B | 14 | 30/4/93 | |
| 22075 | Delete Resistor 12004621 R188 | 15 | 30/4/93 | |
| 22107 | Increase Item 119 Add R68,69,92,93,178,181 | 16 | 30/4/93 | |
| 22138 | Update 151214SW to V 2-01 | 17 | 10/5/93 | |
| 22167 | Update 151214SW to V 2.02 | 18 | 18/5/93 | |
| 22090 | Remove Fuse 12237430 Add Fuse 12270230 | 19 | 7/6/93 | |
| 22478 | Update 151214SW to V2.02 | 20 | 21/09/93 | |
| 22806 | Upgrade Security 12249931 to V. 4-13 | 21 | 9/12/93 | |
| 22772 | Update 151214SW to V. 2-04 | 22 | 9/12/93 | |
| Front Panel Board Samurai Rev E - PC P/N 15118431 |
21956 | Initial Release | 01 | 10/2/93 |
| 22024 | Remove Green Diode D22 | 02 | 25/3/93 | |
| Motherboard Samurai Rev F 486SX-25PC + PROC P/N 15125231 |
21982 | Initial Release | 01 | 19/3/93 |
| 21983 | Release ROM 15121431 | 02 | 19/3/93 | |
| 21995 | Delete R185 Item 122 | 03 | 17/3/93 | |
| 22024 | Resistor + Connector + IC Changes | 04 | 25/3/93 | |
| 22079 | Add IC 12247630 to IC49 | 05 | 30/4/93 | |
| 22071 | Update 151214SW to V 2.00 | 06 | 28/4/93 | |
| 22097 | Resistor Changes | 07 | 6/5/93 | |
| 22075 | Delete Resistor 12004621 R188 | 08 | 30/4/93 | |
| 22138 | Update 151214SW to V 2.01 | 09 | 10/5/93 | |
| 22167 | Update 151214SW to V 2.02 | 10 | 18/5/93 | |
| 22178 | Delete ID PROM 15046131 | 11 | 1/6/93 | |
| 22247 | Remove IC501 Add Wire Link | 12 | 9/6/93 | |
| 22252 | Delete IC 12268831 Add 12272131 | 13 | 11/6/93 | |
| 22574 | Fit C1005 Capacitor in Opposite Polarity | 14 | 17/9/93 | |
| 22478 | Update 151214SW to V. 2-03 | 15 | 21/9/93 | |
| 22654 | Delete R187 12004621 | 16 | 18/10/93 | |
| 22772 | Update 151214SW to V. 2-04 | 17 | 9/12/93 | |
| 23016 | Various Changes | 18 | 10/5/94 | |
| 16323 | Change Filter from 12190130 to 12294230 | 19 | 4/7/94 | |
| 23309 | Update 151214SW to V. 2-05 | 20 | 20/7/94 | |
| Motherboard Samurai Rev F 486DX-33PC + PROC P/N 15125331 |
21982 | Initial Release | 01 | 19/3/93 |
| 21983 | Release ROM 15121431 | 02 | 19/3/93 | |
| 21995 | Delete R185 Item 122 | 03 | 17/3/93 | |
| 22024 | Resistor + Connector + IC Changes | 04 | 25/3/93 | |
| 22071 | Update 151214SW to V 2.00 | 05 | 28/4/93 | |
| 22097 | Resistor Changes | 06 | 6/5/93 | |
| 22075 | Delete Resistor 12004621 R188 | 07 | 30/4/93 | |
| 22138 | Update 151214SW to V 2.01 | 08 | 10/5/93 | |
| 22167 | Update 151214SW to V 2.02 | 09 | 18/5/93 | |
| 22178 | Delete ID PROM 15046131 | 10 | 1/6/93 | |
| 22247 | Remove IC501 Add Wire Link | 11 | 9/6/93 | |
| 22252 | Delete IC 12268831 Add 12272131 | 12 | 11/6/93 | |
| 22235 | Delete Various Components | 13 | 14/6/93 | |
| 22574 | Fit C1005 Capacitor in Opposite Polarity | 14 | 17/9/93 | |
| 22478 | Update 151214SW to V2.02 | 15 | 21/09/93 | |
| 22772 | Update 151214SW to V. 2-04 | 16 | 9/12/93 | |
| 23016 | Various Changes | 17 | 10/5/94 | |
| 16323 | Change Filter from 12190130 to 12294230 | 18 | 4/7/94 | |
| 23309 | Update 151214SW to V. 2-05 | 19 | 20/7/94 | |
| Motherboard Samurai Rev F 486DX2-66PC + PROC P/N 15125431 |
21982 | Initial Release | 01 | 19/3/93 |
| 21983 | Release ROM 15121431 | 02 | 19/3/93 | |
| 21995 | Delete R185 Item 122 | 03 | 17/3/93 | |
| 22071 | Update 151214SW to V 2.00 | 04 | 28/4/93 | |
| 22075 | Delete Resistor 12004621 R188 | 05 | 30/4/93 | |
| 22138 | Update 151214SW to V 2.01 | 06 | 10/5/93 | |
| 22167 | Update 151214SW to V 2.02 | 07 | 18/5/93 | |
| 22178 | Delete ID PROM 15046131 | 08 | 1/6/93 | |
| 22388 | Various Changes to BOM | 09 | 18/8/93 | |
| 22461 | Various Changes to BOM | 10 | 26/9/93 | |
| 22498 | IC + Resistor Changes | 11 | 26/9/93 | |
| 22574 | Fit C1005 Capacitor in Opposite Polarity | 12 | 17/9/93 | |
| 22478 | Update 151214SW to V. 2-03 | 13 | 21/9/93 | |
| 22634 | Remove RP37, RP46, RP52, IC70 | 14 | 19/10/93 | |
| 22772 | Update 151214SW to V. 2-04 | 15 | 9/12/93 | |
| 23016 | Various Changes | 16 | 10/5/94 | |
| 16342/51 | Replace Processor 1225130 with 12296030 | 17 | 24/6/94 | |
| 16323 | Change Filter from 12190130 to 12294230 | 18 | 4/7/94 | |
| 16356 | Delete SRAM 20ns Add SRAM 15ns | 19 | 22/7/94 | |
| 23309 | Update 151214SW to V. 2-05 | 20 | 20/7/94 | |
| 16382 | Delete IC SRAM 15381630 Add 13213430 | 21 | 10/8/94 | |
| 16393 | Check Date Codes on IC SRAM 12250530 | 22 | 2/9/94 | |
| Front Panel Board Rev F-PC P/N 15125531 |
21982 | Initial Release | 01 | 19/3/93 |
| 22024 | Remove Green Diode D22 | 02 | 25/3/93 | |
| Backplane Board XEN-PC P/N 12315931 |
23107 | Initial Release | 01 | 25/5/94 |
| 23172 | Replace PC274/B with PC274/C | 02 | 28/6/94 | |
| 23471 | Replace Capacitor 12315830 with 15425830 | 03 | 13/10/94 | |
| 23471 | Replace Capacitor 12315830 with 15425830 | 03 | 15/8/95 | |
| 23482 | Remove Capacitor 15425830 | 04 | 18/10/94 |
