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| Item | Build Ref |
Reason for change | Rev. | Date |
| Front Panel Board Rev D P/N 15053031 |
21537 | Initial Release | 01 | 6/10/92 |
| Backplane Board Rev D P/N 15053131 |
21537 | Initial Release | 01 | 6/10/92 |
| 21766 | Resistor Change + Add Wire Link | 02 | 14/12/92 | |
| Motherboard SamuraiQFP33 Rev D P/N 15053331 |
21537 | Initial Release | 01 | 6/10/92 |
| 21576 | Release Program for GALs | 02 | 19/10/92 | |
| 21614 | Various Changes to BOM | 03 | 3/11/92 | |
| 21479 | Various Changes to BOM | 04 | 3/11/92 | |
| 21615 | Add Wire Link | 05 | 9/11/92 | |
| 21672 | Various Changes to Resistors | 06 | 26/11/92 | |
| 21677 | Delete Item 209 Capacitor 12208830 | 07 | 26/11/92 | |
| 21694 | Add 100nF Capacitor to CD83, +99 | 08 | 4/12/92 | |
| 21699 | Add Resistor 0R + 479R to R261+ R176 | 09 | 4/12/92 | |
| 21700 | Add Capacitor 68pF to C110, 111, 112, 115 | 10 | 4/12/92 | |
| 21704 | Not Released Yet | 11 | ||
| 21708 | Delete Resistor at R271 | 12 | 4/12/92 | |
| 21730 | Various Changes to 34 way Conns | 13 | 14/12/92 | |
| 21761 | Resistor Change | 14 | 14/12/92 | |
| 21779 | Isolate Pin 2 of IC131+ Add Wire Link | 15 | 18/12/92 | |
| 21788 | Delete 47pF Capacitor Add 100pF C33 + C37 | 16 | 21/12/92 | |
| 21786 | Replace Connector 11679881 with 11850981 | 17 | ||
| 21839 | Update SAMD109 from A to B | 18 | 5/2/93 | |
| 21871 | Delete IC "D" 12226930 Add IC "C" 15103130 | 19 | 1/2/93 | |
| 21882 | Capacitor Change C93 from 12226930 to 12264330 | 20 | 29/1/93 | |
| 21883 | Update SAMD109 from B to C | 21 | 29/1/93 | |
| 21884 | BIOS V1.01 (Not Implemented) | N/A | ||
| 21870 | Release Security Software 4.11.00R | 22 | 22/2/93 | |
| 21884 | Not Actioned (See 21911 | 23 | N/A | |
| 21905 | Capacitor Change C4 from 12195530 to 12265330 | 24 | 4/2/93 | |
| Cancels ECO 21882 (Rev 25 not used) | 25 | |||
| 21911 | Release BIOS V1.02 | 26 | 10/2/93 | |
| 21925 | Replace Resistor 10K. Add 1K R52,53,55,56 | 27 | 26/2/93 | |
| 21969 | Update 150323SW to V 1.03 | 28 | 25/3/93 | |
| 22033 | BIOS V 1.04 (not used) | 29 | 11/4/93 | |
| 22045 | Refer to ECO | 30 | 13/5/93 | |
| 22146 | Update 150323SW to V 1.05 | 31 | 11/5/93 | |
| 22806 | Upgrade Security 12249931 to V. 4-13 | 32 | 9/12/93 | |
| Motherboard Samurai Rev D QFP25 P/N 15053431 |
21537 | Initial Release | 01 | 6/10/92 |
| 21576 | Release Program for GALs | 02 | 19/10/92 | |
| 21614 | Various Changes to BOM | 03 | 3/11/92 | |
| 21479 | Various Changes to BOM | 04 | 3/11/92 | |
| 21615 | Add Wire Link | 05 | 9/11/92 | |
| 21628 | Cut Tracks | 06 | 9/11/92 | |
| 21672 | Various Changes to Resistors | 07 | 26/11/92 | |
| 21677 | Delete Item 209. Capacitor 12208830 | 08 | 26/11/92 | |
| 21694 | Add 100nF Capacitor to CD83, +99 | 09 | 4/12/92 | |
| 21699 | Add Resistor 0R + 479R to R261 + R176 | 10 | 4/12/92 | |
| 21700 | Add Capacitor 68pF to C110, 111, 112, 115 | 11 | 4/12/92 | |
| 21704 | Not Released Yet | 12 | ||
| 21708 | Delete Resistor at R271 | 13 | 4/12/92 | |
| 21730 | Various Changes to 34 way Conns | 14 | 14/12/92 | |
| 21761 | Resistor Change | 15 | 14/12/92 | |
| 21779 | Isolate Pin 2 of IC131 + Add Wire Link | 16 | 18/12/92 | |
| 21788 | Delete 47pF Capacitor Add 100pF C33 + C37 | 17 | 21/12/92 | |
| 21786 | Replace Connector 11679881 with 11850981 | 18 | ||
| 21839 | Update SAMD109 from A to B | 19 | 5/2/93 | |
| 21871 | Delete IC "D" 12226930 Add IC "C" 15103130 | 20 | 1/2/93 | |
| 21882 | Capacitor Change C93 from 12226930 to 12264330 | 21 | 29/1/93 | |
| 21883 | Update SAMD109 from B to C | 22 | 29/1/93 | |
| 21884 | BIOS V1.01 (Not Implemented) | N/A | ||
| 21870 | Release Security Software 4.11.00R | 23 | 22/2/93 | |
| 21884 | Not Actioned (See 21911 | 24 | N/A | |
| 21905 | Capacitor Change C4 from 12195530 to 12265330 | 25 | 4/2/93 | |
| Cancels ECO 21882 | 26 | |||
| 21911 | Release BIOS V1.02 | 27 | 10/2/93 | |
| 21925 | Replace Resistor 10K. Add 1K R52,53,55,56 | 28 | 26/2/93 | |
| 21969 | Update 150323SW to V 1.03 | 29 | 25/3/93 | |
| 22033 | BIOS V 1.04 (not used) | 30 | 11/4/93 | |
| 22146 | Update 150323SW to V 1.05 | 31 | 11/5/93 | |
| 22806 | Upgrade Security 12249931 to V. 4-13 | 32 | 9/12/93 | |
| Motherboard Samurai QFP-25 Rev D P/N 15053531 |
21537 | Initial Release | 01 | 6/10/92 |
| 21576 | Release Program for GALs | 02 | 19/10/92 | |
| 21614 | Various Changes to BOM | 03 | 3/11/92 | |
| 21479 | Various Changes to BOM | 04 | 3/11/92 | |
| 21615 | Add Wire Link | 05 | 9/11/92 | |
| 21628 | Cut Tracks | 06 | 9/11/92 | |
| 21672 | Various Changes to Resistors | 07 | 26/11/92 | |
| 21694 | Add 100nF Capacitor to CD83, +99 | 08 | 4/12/92 | |
| 21699 | Add Resistor 0R + 479R to R261 + R176 | 09 | 4/12/92 | |
| 21704 | Not Released Yet | 10 | ||
| 21730 | Various Changes to 34 way Conns | 11 | 14/12/92 | |
| 21761 | Resistor Change | 12 | 14/12/92 | |
| 21779 | Isolate Pin 2 of IC131 + Add Wire Link | 13 | 18/12/92 | |
| 21788 | Delete 47pF Capacitor Add 100pF C33 + C37 | 14 | 21/12/92 | |
| 21786 | Replace Connector 11679881 with 11850981 | 15 | ||
| 21839 | Update SAMD109 from A to B | 16 | 5/2/93 | |
| 21871 | Delete IC "D" 12226930 Add IC "C" 15103130 | 17 | 1/2/93 | |
| 21882 | Capacitor Change C93 from 12226930 to 12264330 | 18 | 29/1/93 | |
| 21883 | Update SAMD109 from B to C | 19 | 29/1/93 | |
| 21884 | BIOS V1.01 (Not Implemented) | N/A | ||
| 21870 | Release Security Software 4.11.00R | 20 | 22/2/93 | |
| 21884 | Not Actioned (See 21911 | 21 | N/A | |
| 21905 | Capacitor Change C4 from 12195530 to 12265330 | 22 | 4/2/93 | |
| Cancels ECO 21882 | 23 | |||
| 21911 | Release BIOS V1.02 | 24 | 10/2/93 | |
| 21925 | Replace Resistor 10K. Add 1K R52,53,55,56 | 25 | 26/2/93 | |
| 21969 | Update 150323SW to V 1.03 | 26 | 25/3/93 | |
| 22033 | BIOS V 1.04 (not used) | 27 | 11/4/93 | |
| 22146 | Update 150323SW to V 1.05 | 28 | 11/5/93 | |
| 22806 | Upgrade Security 12249931 to V. 4-13 | 29 | 9/12/93 | |
| Motherboard 486SX-33 +Proc Rev D P/N 15054331 |
21537 | Initial Release | 01 | 6/10/92 |
| 21576 | Release Program for GALs | 02 | 19/10/92 | |
| 21614 | Various Changes to BOM | 03 | 3/11/92 | |
| 21479 | Various Changes to BOM | 04 | 3/11/92 | |
| 21615 | Add Wire Link | 05 | 9/11/92 | |
| 21672 | Various Changes to Resistors | 06 | 26/11/92 | |
| 21677 | Delete Item 209 Capacitor 12208830 | 07 | 26/11/92 | |
| 21694 | Add 100nF Capacitor to CD83, +99 | 08 | 4/12/92 | |
| 21699 | Add Resistor 0R + 479R to R261 + R176 | 09 | 4/12/92 | |
| 21700 | Add Capacitor 68pF to C110, 111, 112, 115 | 10 | 4/12/92 | |
| 21704 | Not Released Yet | 11 | ||
| 21708 | Delete Resistor at R271 | 12 | 4/12/92 | |
| 21730 | Various Changes to 34 way Conns | 13 | 14/12/92 | |
| 21761 | Resistor Change | 14 | 14/12/92 | |
| 21779 | Isolate Pin 2 of IC131 + Add Wire Link | 15 | 18/12/92 | |
| 21788 | Delete 47pF Capacitor Add 100pF C33 + C37 | 16 | 21/12/92 | |
| 21786 | Replace Connector 11679881 with 11850981 | 17 | ||
| 21839 | Update SAMD109 from A to B | 18 | 5/2/93 | |
| 21871 | Delete IC "D" 12226930 Add IC "C" 15103130 | 19 | 1/2/93 | |
| 21882 | Capacitor Change C93 from 12226930 to 12264330 | 20 | 29/1/93 | |
| 21883 | Update SAMD109 from B to C | 21 | 29/1/93 | |
| 21884 | BIOS V1.01 (Not Implemented) | N/A | ||
| 21870 | Release Security Software 4.11.00R | 22 | 22/2/93 | |
| 21884 | Not Actioned (See 21911 | 23 | N/A | |
| 21905 | Capacitor Change C4 from 12195530 to 12265330 | 24 | 4/2/93 | |
| Cancels ECO 21882 | 25 | |||
| 21911 | Release BIOS V1.02 | 26 | 10/2/93 | |
| 21925 | Replace Resistor 10K. Add 1K R52,53,55,56 | 27 | 26/2/93 | |
| 21969 | Update 150323SW to V 1.03 | 28 | 25/3/93 | |
| 22033 | BIOS V 1.04 | 29 | 11/4/93 | |
| 22045 | Refer to ECO | 30 | 13/5/93 | |
| 22146 | Update 150323SW to V 1.05 | 31 | 11/5/93 | |
| 22806 | Upgrade Security Proc 12249931 to V4.13 | 32 | 09/12/93 | |
| Motherboard 486SX-25 +ROM without Ethernet Rev D P/N 15054431 |
21537 | Initial Release | 01 | 6/10/92 |
| 21576 | Release Program for GALs | 02 | 19/10/92 | |
| 21614 | Various Changes to BOM | 03 | 3/11/92 | |
| 21479 | Various Changes to BOM | 04 | 3/11/92 | |
| 21615 | Add Wire Link | 05 | 9/11/92 | |
| 21628 | Cut Tracks | 06 | 9/11/92 | |
| 21672 | Various Changes to Resistors | 07 | 26/11/92 | |
| 21694 | Add 100nF Capacitor to CD83, +99 | 08 | 4/12/92 | |
| 21699 | Add Resistor 0R + 479R to R261 + R176 | 09 | 4/12/92 | |
| 21704 | Not Released Yet | 10 | N/A | |
| 21730 | Various Changes to 34 way Conns | 11 | 4/12/92 | |
| 21761 | Resistor Change | 12 | 14/12/92 | |
| 21779 | Isolate Pin 2 of IC131 + Add Wire Link | 13 | 18/12/92 | |
| 21788 | Delete 47pF Capacitor Add 100pF C33 + C37 | 14 | 21/12/92 | |
| 21786 | Replace Connector 11679881 with 11850981 | 15 | N/A | |
| 21839 | Update SAMD109 from A to B | 16 | 5/2/93 | |
| 21871 | Delete IC "D" 12226930 Add IC "C" 15103130 | |||
| 21882 | Capacitor Change C93 from 12226930 to 12264330 | 18 | 29/1/93 | |
| 21883 | Update SAMD109 from B to C | 19 | 29/1/93 | |
| 21884 | BIOS V1.01 (Not Implemented) | N/A | ||
| 21870 | Release Security Software 4.11.00R | 20 | 22/2/93 | |
| 21884 | Not Actioned (See 21911) | 21 | N/A | |
| 21905 | Capacitor Change C4 from 12195530 to 12265330 | 22 | 4/2/93 | |
| Cancels ECO 21882 | 23 | |||
| 21911 | Release BIOS V1.02 | 24 | 10/2/93 | |
| 21925 | Replace Resistor 10K. Add 1K R52,53,55,56 | 25 | 26/2/93 | |
| 21969 | Update 150323SW to V 1.03 | 26 | 25/3/93 | |
| 22033 | BIOS V 1.04 (not used) | 27 | 11/4/93 | |
| 22146 | Update 150323SW to V 1.05 | 28 | 11/5/93 | |
| 22806 | Upgrade Security Proc 12249931 to V4.13 | 29 | 09/12/93 | |
| 16323 | Change Filter from 12190130 to 12294230 | 30 | 4/7/94 | |
| 23577 | Update 150323SW to V. 1-06 | 31 | 8/12/94 | |
| Motherboard Samurai Rev D PGA P/N 15053231 |
21537 | Initial Release | 01 | 6/10/92 |
| 21567 | Release Program for GALs | 02 | 19/10/92 | |
| 21614 | Various Changes to BOM | 03 | 3/11/92 | |
| 21479 | Various Changes to BOM | 04 | 3/11/92 | |
| 21615 | Add Wire Link | 05 | 9/11/92 | |
| 21606 | Add Heatsink 14941731 | 06 | 4/11/92 | |
| 21672 | Various Changes to Resistors | 07 | 26/11/92 | |
| 21677 | Delete Item 209 Capacitor 12208830 | 08 | 26/11/92 | |
| 21694 | Add 100nF Capacitor to CD83, +99 | 09 | 4/12/92 | |
| 21699 | Add Resistor 0R + 479R to R261 + R176 | 10 | 4/12/92 | |
| 21700 | Add Capacitor 68pF to C110, 111, 112, 115 | 11 | 4/12/92 | |
| 21704 | Not Released Yet | 12 | ||
| 21708 | Delete Resistor at R271 | 13 | 4/12/92 | |
| 21730 | Various Changes to 34 way Conns | 14 | 14/12/92 | |
| 21761 | Resistor Change | 15 | 14/12/92 | |
| 21779 | Isolate Pin 2 of IC131 + Add Wire Link | 16 | 18/12/92 | |
| 21788 | Delete 47pF Capacitor Add 100pF C33 + C37 | 17 | 21/12/92 | |
| 21786 | Replace Connector 11679881 with 11850981 | 18 | N/A | |
| 21840 | Release Rev E of GAL | 19 | 14/1/93 | |
| 21871 | Delete IC "D" 12226930 Add IC "C" 15123130 | 20 | 1/2/93 | |
| 21882 | Capacitor Change C93 from 12226930 to 12264330 | 21 | 29/1/93 | |
| 21883 | Update SAMD109 from B to C | 22 | 29/1/93 | |
| 21884 | BIOS V1.01 (Not Implemented) | N/A | ||
| 21870 | Release Security Software 4.11.00R | 23 | 22/2/93 | |
| 21884 | Not Actioned (See 21911) | 24 | N/A | |
| 21905 | Capacitor Change C4 from 12195530 to 12265330 | 25 | 4/2/93 | |
| Cancels ECO 21882 | 26 | |||
| 21911 | Release BIOS V1.02 | 27 | 10/2/93 | |
| 21925 | Replace Resistor 10K. Add 1K R52,53,55,56 | 28 | 26/2/93 | |
| 21969 | Update 150323SW to V 1.03 | 29 | 25/3/93 | |
| 22033 | BIOS V 1.04 (not used) | 30 | 11/4/93 | |
| 22146 | Update 150323SW to V 1.05 | 31 | 11/5/93 | |
| 22806 | Upgrade Security 12249931 to V. 4-13 | 32 | 9/12/93 | |
| PCB Assy 32MB SIMM P/N 15051331 |
21555 | Initial Release | 01 | 14/10/92 |
| 21634 | Replace Cap 11384321 with 12260130 | 02 | N/A | |
| Front Panel Board Samurai Rev F P/N 15124731 |
21982 | Initial Release | 01 | 19/3/93 |
| Backplane Board Samurai Rev F P/N 15124831 |
21982 | Initial Release | 01 | 19/3/93 |
| Motherboard + ROM Samurai Rev F 486DX-33 P/N 15124931 |
21982 | Initial Release | 01 | 19/3/93 |
| 21983 | Release ROM 15121431 | 02 | 19/3/93 | |
| 21995 | Delete R185 Item 122 | 03 | 17/3/93 | |
| 22015 | Obsolete SDP Firmware | 04 | 14/5/93 | |
| 22024 | Resistor + Connector Changes | 05 | 25/3/93 | |
| 22071 | Update 151214SW to V 2-00 | 06 | 28/4/93 | |
| 22170 | Remove Fuse 12237430 Add Fuse 12237330 | 07 | 3/5/93 | |
| 22097 | Resistor Changes | 08 | 6/5/93 | |
| 22074 | Release 122675RW + 122678SW Rev B | 09 | 30/4/93 | |
| 22075 | Delete Resistor 12004621 R188 | 10 | 30/4/93 | |
| 22107 | Increase Item 119 Add R68,69,92,93,178,181 | 11 | 30/4/93 | |
| 22077 | Delete 12265330 C4. Add 11384321 C999 | 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 | |
| 22090 | Remove Fuse 12237430 Add Fuse 12270230 | 15 | 7/6/93 | |
| 22333 | Remove IC 12238930 Add IC 12228030 | 16 | 1/5/94 | |
| 22387 | Fit C39 + C42 Capacitors in Opposite Polarity | 17 | 22/9/93 | |
| 22503 | Replace IC 12228130 with 12275231 (Yamaha) | 18 | 30/5/94 | |
| 22547 | Fit C1005 Capacitor in Opposite Polarity | 19 | 17/9/93 | |
| 22478 | Update 151214SW to V2.03 | 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 | |
| 22899 | Use GD5428 in Place of GD5426 | 23 | 17/2/94 | |
| Motherboard Samurai Rev F 486SX-33 P/N 15125031 |
21982 | Initial Release | 01 | 19/3/93 |
| 21983 | Release ROM 15121431 | 02 | 19/3/93 | |
| 21995 | Delete R185 Item 122 | 03 | 17/3/93 | |
| 22015 | Obsolete SDP Firmware | 04 | 14/5/93 | |
| 22024 | Resistor + Connector Changes | 05 | 25/3/93 | |
| 22071 | Update 151214SW to V 2-00 | 06 | 28/4/93 | |
| 22170 | Remove Fuse 12237430 Add Fuse 12237330 | 07 | 3/5/93 | |
| 22097 | Resistor Changes | 08 | 6/5/93 | |
| 22074 | Release 122675RW + 122678SW Rev B | 09 | 30/4/93 | |
| 22075 | Delete Resistor 12004621 R188 | 10 | 30/4/93 | |
| 22107 | Increase Item 119 Add R68,69,92,93,178,181 | 11 | 30/4/93 | |
| 22077 | Delete 12265330 C4. Add 11384321 C999 | 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 | |
| 22090 | Remove Fuse 12237430 Add Fuse 12270230 | 15 | 7/6/93 | |
| 22333 | Remove IC 12238930 Add IC 12228030 | 16 | 1/5/94 | |
| 22387 | Fit C39 + C42 Capacitors in Opposite Polarity | 17 | 22/9/93 | |
| 22503 | Replace IC 12228130 with 12275231 (Yamaha) | 18 | 30/5/94 | |
| 22547 | Fit C1005 Capacitor in Opposite Polarity | 19 | 17/9/93 | |
| 22478 | Update 151214SW to V2.03 | 20 | 21/09/93 | |
| 22610 | Remove Resistor 100R Ref. R40 | 21 | 29/11/93 | |
| 22806 | Upgrade Security 12249931 to V. 4-13 | 22 | 9/12/93 | |
| 22772 | Update 151214SW to V. 2-04 | 23 | 9/12/93 | |
| 22899 | Use GD5428 in Place of GD5426 | 24 | 17/2/94 | |
| 23016 | Various Changes | 25 | 10/5/94 | |
| 16323 | Change Filter from 12190130 to 12294230 | 26 | 4/7/94 | |
| 23309 | Update 151214SW to V. 2-05 | 27 | 20/7/94 | |
| Motherboard + Proc Samurai Rev F 486SX-25 P/N 15125131 |
21982 | Initial Release | 01 | 19/3/93 |
| 21983 | Release ROM 15121431 | 02 | 19/3/93 | |
| 21995 | Delete R185 Item 122 | 03 | 17/3/93 | |
| 22015 | Obsolete SDP Firmware | 04 | 14/5/93 | |
| 22024 | Resistor + Connector Changes | 05 | 25/3/93 | |
| 22071 | Update 151214SW to V 2-00 | 06 | 28/4/93 | |
| 22170 | Remove Fuse 12237430 Add Fuse 12237330 | 07 | 3/5/93 | |
| 22097 | Resistor Changes | 08 | 6/5/93 | |
| 22074 | Release 122675RW + 122678SW Rev B | 09 | 30/4/93 | |
| 22075 | Delete Resistor 12004621 R188 | 10 | 30/4/93 | |
| 22107 | Increase Item 119 Add R68,69,92,93,178,181 | 11 | 30/4/93 | |
| 22077 | Delete 12265330 C4. Add 11384321 C999 | 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 | |
| 22090 | Remove Fuse 12237430 Add Fuse 12270230 | 15 | 7/6/93 | |
| 22333 | Remove IC 12238930 Add IC 12228030 | 16 | 1/5/94 | |
| 22387 | Fit C39 + C42 Capacitors in Opposite Polarity | 17 | 22/9/93 | |
| 22503 | Replace IC 12228130 with 12275231 (Yamaha) | 18 | 30/5/94 | |
| 22547 | Fit C1005 Capacitor in Opposite Polarity | 19 | 17/9/93 | |
| 22478 | Update 151214SW to V2.03 | 20 | 21/09/93 | |
| 22610 | Remove Resistor 100R Ref. R40 | 21 | 29/11/93 | |
| 22806 | Upgrade Security 12249931 to V. 4-13 | 22 | 9/12/93 | |
| 22772 | Update 151214SW to V. 2-04 | 23 | 9/12/93 | |
| 16170 | Remove R187 6K8 12004621 | 24 | 13/1/94 | |
| 23016 | Various Changes | 25 | 10/5/94 | |
| 16323 | Change Filter from 12190130 to 12294230 | 26 | 4/7/94 | |
| 23309 | Update 151214SW to V. 2-05 | 27 | 20/7/94 | |
| Motherboard + Proc Samurai Rev F 486DX-33 P/N 15126031 |
21982 | Initial Release | 01 | 19/3/93 |
| 21983 | Release ROM 15121431 | 02 | 19/3/93 | |
| 21995 | Delete R185 Item 122 | 03 | 17/3/93 | |
| 22015 | Obsolete SDP Firmware | 04 | 14/5/93 | |
| 22024 | Resistor + Connector Changes | 05 | 25/3/93 | |
| 22071 | Update 151214SW to V 2-00 | 06 | 28/4/93 | |
| 22170 | Remove Fuse 12237430 Add Fuse 12237330 | 07 | 3/5/93 | |
| 22097 | Resistor Changes | 08 | 6/5/93 | |
| 22074 | Release 122675RW + 122678SW Rev B | 09 | 30/4/93 | |
| 22075 | Delete Resistor 12004621 R188 | 10 | 30/4/93 | |
| 22107 | Increase Item 119 Add R68,69,92,93,178,181 | 11 | 30/4/93 | |
| 22077 | Delete 12265330 C4. Add 11384321 C999 | 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 | |
| 22090 | Remove Fuse 12237430 Add Fuse 12270230 | 15 | 7/6/93 | |
| 22333 | Remove IC 12238930 Add IC 12228030 | 16 | ||
| 22387 | Fit C39 + C42 Capacitors in Opposite Polarity | 17 | 22/9/93 | |
| 22503 | Replace IC 12228130 with 12275231 (Yamaha) | 18 | 30/5/94 | |
| 22547 | Fit C1005 Capacitor in Opposite Polarity | 19 | 17/9/93 | |
| 22478 | Update 151214SW to V2.03 | 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 | |
| 22899 | Use GD5428 in Place of GD5426 | 23 | 17/2/94 | |
| 23016 | Various Changes | 24 | 10/5/94 | |
| 16342/51 | Replace Processor 1225130 with 12296030 | 25 | 24/6/94 | |
| 16323 | Change Filter from 12190130 to 12294230 | 26 | 4/7/94 | |
| 16356 | Delete SRAM 20ns Add SRAM 15ns | 27 | 22/7/94 | |
| 23309 | Update 151214SW to V. 2-05 | 28 | 20/7/94 | |
| 16382 | Delete IC SRAM 15381630 Add 13213430 | 29 | 10/8/94 | |
| 16393 | Check Date Codes on IC SRAM 12250530 | 30 | 2/9/94 | |
| Motherboard + Proc Samurai Rev F 486DX2-66 P/N 15126231 |
21982 | Initial Release | 01 | 19/3/93 |
| 21983 | Release ROM 15121431 | 02 | 19/3/93 | |
| 21995 | Delete R185 Item 122 | 03 | 17/3/93 | |
| 22015 | Obsolete SDP Firmware | 04 | 14/5/93 | |
| 22024 | Resistor + Connector Changes | 05 | 25/3/93 | |
| 22071 | Update 151214SW to V 2-00 | 06 | 28/4/93 | |
| 22170 | Remove Fuse 12237430 Add Fuse 12237330 | 07 | 3/5/93 | |
| 22097 | Resistor Changes | 08 | 6/5/93 | |
| 22074 | Release 122675RW + 122678SW Rev B | 09 | 30/4/93 | |
| 22075 | Delete Resistor 12004621 R188 | 10 | 30/4/93 | |
| 22107 | Increase Item 119 Add R68,69,92,93,178,181 | 11 | 30/4/93 | |
| 22077 | Delete 12265330 C4. Add 11384321 C999 | 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 | |
| 22090 | Remove Fuse 12237430 Add Fuse 12270230 | 15 | 7/6/93 | |
| 22333 | Remove IC 12238930 Add IC 12228030 | 16 | ||
| 22387 | Fit C39 + C42 Capacitors in Opposite Polarity | 17 | 22/9/93 | |
| 22503 | Replace IC 12228130 with 12275231 (Yamaha) | 18 | 30/5/94 | |
| 22547 | Fit C1005 Capacitor in Opposite Polarity | 19 | 17/9/93 | |
| 22478 | Update 151214SW to V2.03 | 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 | |
| 22899 | Use GD5428 in Place of GD5426 | 23 | 17/2/94 | |
| 23016 | Various Changes | 24 | 10/5/94 | |
| 16342 | Replace Processor 1225130 with 12296030 | 25 | 24/6/94 | |
| 16323 | Change Filter from 12190130 to 12294230 | 26 | 4/7/94 | |
| 16356 | Delete SRAM 20ns Add SRAM 15ns | 27 | 22/7/94 | |
| 23309 | Update 151214SW to V. 2-05 | 28 | 20/7/94 | |
| 16382 | Delete IC SRAM 15381630 Add 13213430 | 29 | 10/8/94 | |
| 16393 | Check Date Codes on IC SRAM 12250530 | 30 | 2/9/94 | |
| SX33 PQFP Samurai Rev D P/N 15142031 |
22045 | Initial Release | 30 | 13/5/93 |
| 22146 | Update BIOS to V 1-05 | 31 | 11/5/93 | |
| 22806 | Upgrade Security 12249931 to V. 4-13 | 32 | 9/12/93 | |
| Motherboard Samurai Rev F 486DX2-50 + PROC P/N 15232131 |
22645 | Initial Release | 20 | 15/10/93 |
| 22806 | Upgrade Security 12249931 to V.4-13 | 21 | 9/12/93 | |
| 22772 | Update 151214SW to V. 2-04 | 22 | 9/12/93 | |
| 22899 | Use GD5428 in Place of GD5426 | 23 | 17/2/94 | |
| 23016 | Various Changes | 24 | 10/5/94 | |
| 16342/51 | Replace Processor 1225130 with 12296030 | 25 | 24/6/94 | |
| 16323 | Change Filter from 12190130 to 12294230 | 26 | 4/7/94 | |
| 16356 | Delete SRAM 20ns Add SRAM 15ns | 27 | 22/7/94 | |
| 23309 | Update 151214SW to V. 2-05 | 28 | 20/7/94 | |
| 16382 | Delete IC SRAM 15381630 Add 13213430 | 29 | 10/8/94 | |
| 16393 | Check Date Codes on IC SRAM 12250530 | 30 | 2/9/94 | |
| Motherboard Samurai Rev F2 486SX-25 P/N 12293531 |
22699 | Initial Release | 01 | 24/11/93 |
| 22743 | Delete IC SAMF028B Add SAF2028A IC28 | 02 | 1/12/93 | |
| 22806 | Upgrade Security 12249931 to V4.31 | 03 | 9/12/93 | |
| 22817 | Add C6000 12100721 47pF | 04 | 13/12/93 | |
| 22772 | Upgrade BIOS to V. 2-04 | 05 | 9/12/93 | |
| 22874 | Add Rework 123000RW | 06 | 21/1/94 | |
| 22927 | Introduce Rev F3 Motherboard | 07 | 18/4/94 | |
| 23028 | Removes Rework Instruction | " | " | |
| 23016 | Remove 12134821 Add 12010521 | 08 | 10/5/94 | |
| 16323 | Change Filter from 12190130 to 12294230 | 09 | 4/7/94 | |
| 23309 | Update 151214SW to V. 2-05 | 10 | 20/7/94 | |
| Motherboard Samurai Rev F2 486SX-33 P/N 12293631 |
22699 | Initial Release | 01 | 24/11/93 |
| 22743 | Delete IC SAMF028B Add SAF2028A IC28 | 02 | 1/12/93 | |
| 22806 | Upgrade Security 12249931 to V4.31 | 03 | 9/12/93 | |
| 22817 | Add C6000 12100721 47pF | 04 | 13/12/93 | |
| 22772 | Upgrade BIOS to V. 2-04 | 05 | 9/12/93 | |
| 22874 | Add Rework 123000RW | 06 | 21/1/94 | |
| 22927 | Introduce Rev F3 Motherboard | 07 | 18/4/94 | |
| 23028 | Removes Rework Instruction | " | " | |
| 23016 | Remove 12134821 Add 12010521 | 08 | 10/5/94 | |
| 16323 | Change Filter from 12190130 to 12294230 | 09 | 4/7/94 | |
| 23309 | Update 151214SW to V. 2-05 | 10 | 20/7/94 | |
| Motherboard Samurai Rev F2 486DX-33 P/N 12293731 |
22699 | Initial Release | 01 | 24/11/93 |
| 22743 | Delete IC SAMF028B Add SAF2028A IC28 | 02 | 1/12/93 | |
| 22806 | Upgrade Security 12249931 to V4.31 | 03 | 9/12/93 | |
| 22817 | Add C6000 12100721 47pF | 04 | 13/12/93 | |
| 22772 | Upgrade BIOS to V. 2-04 | 05 | 9/12/93 | |
| 22874 | Add Rework 123000RW | 06 | 21/1/94 | |
| 22927 | Introduce Rev F3 Motherboard | 07 | 18/4/94 | |
| 23028 | Removes Rework Instruction | " | " | |
| 23016 | Remove 12134821 Add 12010521 | 08 | 10/5/94 | |
| 16342 | Replace Processor 1225130 with 12296030 | 09 | 24/6/94 | |
| 16323 | Change Filter from 12190130 to 12294230 | 10 | 4/7/94 | |
| 16356 | Delete SRAM 20ns Add SRAM 15ns | 11 | 22/7/94 | |
| 23309 | Update 151214SW to V. 2-05 | 12 | 20/7/94 | |
| 16382 | Delete IC SRAM 15381630 Add 13213430 | 13 | 10/8/94 | |
| 16393 | Check Date Codes on IC SRAM 12250530 | 14 | 2/9/94 | |
| Motherboard Samurai Rev F2 486DX2-50 P/N 12293831 |
22699 | Initial Release | 01 | 24/11/93 |
| 22743 | Delete IC SAMF028B Add SAF2028A IC28 | 02 | 1/12/93 | |
| 22806 | Upgrade Security 12249931 to V4.31 | 03 | 9/12/93 | |
| 22817 | Add C6000 12100721 47pF | 04 | 13/12/93 | |
| 22772 | Upgrade BIOS to V. 2-04 | 05 | 9/12/93 | |
| 22874 | Add Rework 123000RW | 06 | 21/1/94 | |
| 22927 | Introduce Rev F3 Motherboard | 07 | 18/4/94 | |
| 23028 | Removes Rework Instruction | " | " | |
| 23016 | Remove 12134821 Add 12010521 | 08 | 10/5/94 | |
| 16342 | Replace Processor 1225130 with 12296030 | 09 | 24/6/94 | |
| 16323 | Change Filter from 12190130 to 12294230 | 10 | 4/7/94 | |
| 16356 | Delete SRAM 20ns Add SRAM 15ns | 11 | 22/7/94 | |
| 23309 | Update 151214SW to V. 2-05 | 12 | 20/7/94 | |
| 16382 | Delete IC SRAM 15381630 Add 13213430 | 13 | 10/8/94 | |
| 16393 | Check Date Codes on IC SRAM 12250530 | 14 | 2/9/94 | |
| Motherboard Samurai Rev F2 486DX2-66 P/N 12293931 |
22699 | Initial Release | 01 | 24/11/93 |
| 22743 | Delete IC SAMF028B Add SAF2028A IC28 | 02 | 1/12/93 | |
| 22806 | Upgrade Security 12249931 to V4.31 | 03 | 9/12/93 | |
| 22817 | Add C6000 12100721 47pF | 04 | 13/12/93 | |
| 22772 | Upgrade BIOS to V. 2-04 | 05 | 9/12/93 | |
| 22874 | Add Rework 123000RW | 06 | 21/1/94 | |
| 22927 | Introduce Rev F3 Motherboard | 07 | 18/4/94 | |
| 23028 | Removes Rework Instruction | " | " | |
| 23016 | Remove 12134821 Add 12010521 | 08 | 10/5/94 | |
| 16342 | Replace Processor 1225130 with 12296030 | 09 | 24/6/94 | |
| 16323 | Change Filter from 12190130 to 12294230 | 10 | 4/7/94 | |
| 16356 | Delete SRAM 20ns Add SRAM 15ns | 11 | 22/7/94 | |
| 23309 | Update 151214SW to V. 2-05 | 12 | 20/7/94 | |
| 16382 | Delete IC SRAM 15381630 Add 13213430 | 13 | 10/8/94 | |
| 16393 | Check Date Codes on IC SRAM 12250530 | 14 | 2/9/94 | |
| Front Panel Board Samurai Rev F2 P/N 12294031 |
22699 | Initial Release | 01 | 24/11/93 |
| Backplane Board Samurai Rev F2 P/N 12294131 |
22699 | Initial Release | 01 | 24/11/93 |
| Motherboard Samurai Rev F1 486SX-33 NFP P/N 15316031 |
22980 | Initial Release | 01 | 23/3/94 |
| 23028 | Removes Rework Instruction | " | " | |
| 23016 | Remove 12134821 Add 12010521 | 02 | 10/5/94 | |
| 16323 | Change Filter from 12190130 to 12294230 | 03 | 4/7/94 | |
| 23309 | Update 151214SW to V. 2-05 | 04 | 20/7/94 | |
| Motherboard Samurai Rev F2 486SX-33 NFP P/N 15316131 |
22980 | Initial Release | 01 | 23/3/94 |
| 23028 | Removes Rework Instruction | 02 | 18/4/94 | |
| PP4588 | Remove 12134821 Add 12010521 R220, R233, R234 | " | 29/3/94 | |
| 16323 | Change Filter from 12190130 to 12294230 | 03 | 4/7/94 | |
| 23309 | Update 151214SW to V. 2-05 | 04 | 20/7/94 | |
| Motherboard Samurai Rev F1 486SX-25 NFP P/N 15316231 |
22980 | Initial Release | 01 | 23/3/94 |
| 23028 | Removes Rework Instruction | 02 | 18/4/94 | |
| 23016 | Remove 12134821 Add 12010521 | " | 10/5/94 | |
| 16323 | Change Filter from 12190130 to 12294230 | 03 | 4/7/94 | |
| 23309 | Update 151214SW to V. 2-05 | 04 | 20/7/94 | |
| Motherboard Samurai Rev F2 486SX-25 NFP P/N 15316331 |
22980 | Initial Release | 01 | 23/3/94 |
| 23028 | Removes Rework Instruction | 02 | 18/4/94 | |
| PP4588 | Remove 12134821 Add 12010521 R220, R233, R234 | " | 29/3/94 | |
| 16323 | Change Filter from 12190130 to 12294230 | 03 | 4/7/94 | |
| 23309 | Update 151214SW to V. 2-05 | 04 | 20/7/94 | |
| Motherboard Samurai Rev F1 486DX-33 NFP P/N 15316431 |
22980 | Initial Release | 01 | 23/3/94 |
| 23028 | Removes Rework Instruction | 02 | 18/4/94 | |
| 23016 | Remove 12134821 Add 12010521 | " | 10/5/94 | |
| 16342/51 | Replace Processor 1225130 with 12296030 | 03 | 24/6/94 | |
| 16323 | Change Filter from 12190130 to 12294230 | 04 | 4/7/94 | |
| 16356 | Delete SRAM 20ns Add SRAM 15ns | 05 | 22/7/94 | |
| 23309 | Update 151214SW to V. 2-05 | 06 | 20/7/94 | |
| 16382 | Delete IC SRAM 15381630 Add 13213430 | 07 | 10/8/94 | |
| 16393 | Check Date Codes on IC SRAM 12250530 | 08 | 2/9/94 | |
| Motherboard Samurai Rev F2 486DX-33 NFP P/N 15316531 |
||||
| 22980 | Initial Release | 01 | 23/3/94 | |
| 23028 | Removes Rework Instruction | 02 | 18/4/94 | |
| 23016 | Remove 12134821 Add 12010521 | " | 10/5/94 | |
| 16342/51 | Replace Processor 1225130 with 12296030 | 03 | 24/6/94 | |
| 16323 | Change Filter from 12190130 to 12294230 | 04 | 4/7/94 | |
| 16356 | Delete SRAM 20ns Add SRAM 15ns | 05 | 22/7/94 | |
| 23309 | Update 151214SW to V. 2-05 | 06 | 20/7/94 | |
| 16382 | Delete IC SRAM 15381630 Add 13213430 | 07 | 10/8/94 | |
| 16393 | Check Date Codes on IC SRAM 12250530 | 08 | 2/9/94 | |
| Motherboard Samurai Rev F1 486DX2-66 NFP P/N 15316631 |
22980 | Initial Release | 01 | 23/3/94 |
| 23028 | Removes Rework Instruction | 02 | 18/4/94 | |
| 23016 | Remove 12134821 Add 12010521 | " | 10/5/94 | |
| 16342/51 | Replace Processor 1225130 with 12296030 | 03 | 24/6/94 | |
| 16323 | Change Filter from 12190130 to 12294230 | 04 | 4/7/94 | |
| 16356 | Delete SRAM 20ns Add SRAM 15ns | 05 | 22/7/94 | |
| 23309 | Update 151214SW to V. 2-05 | 06 | 20/7/94 | |
| 16382 | Delete IC SRAM 15381630 Add 13213430 | 07 | 10/8/94 | |
| 16393 | Check Date Codes on IC SRAM 12250530 | 08 | 2/9/94 | |
| Motherboard Samurai Rev F1 486DX2-50 NFP P/N 15316731 |
22980 | Initial Release | 01 | 23/3/94 |
| 23028 | Removes Rework Instruction | 02 | 18/4/94 | |
| 23016 | Remove 12134821 Add 12010521 | " | 10/5/94 | |
| 16342/51 | Replace Processor 1225130 with 12296030 | 03 | 24/6/94 | |
| 16323 | Change Filter from 12190130 to 12294230 | 04 | 4/7/94 | |
| 16356 | Delete SRAM 20ns Add SRAM 15ns | 05 | 22/7/94 | |
| 23309 | Update 151214SW to V. 2-05 | 06 | 20/7/94 | |
| 16382 | Delete IC SRAM 15381630 Add 13213430 | 07 | 10/8/94 | |
| 16393 | Check Date Codes on IC SRAM 12250530 | 08 | 2/9/94 | |
| Motherboard Samurai Rev F1 486DX-33 NFP P/N 15316831 |
22980 | Initial Release | 01 | 23/3/94 |
| 23028 | Removes Rework Instruction | 02 | 18/4/94 | |
| 23016 | Remove 12134821 Add 12010521 | " | 10/5/94 | |
| 16342/51 | Replace Processor 1225130 with 12296030 | 03 | 24/6/94 | |
| 16323 | Change Filter from 12190130 to 12294230 | 04 | 4/7/94 | |
| 16356 | Delete SRAM 20ns Add SRAM 15ns | 05 | 22/7/94 | |
| 23309 | Update 151214SW to V. 2-05 | 06 | 20/7/94 | |
| 16382 | Delete IC SRAM 15381630 Add 13213430 | 07 | 10/8/94 | |
| 16393 | Check Date Codes on IC SRAM 12250530 | 08 | 2/9/94 | |
| Motherboard Samurai Rev F2 486DX2-50 NFP P/N 15316931 |
22980 | Initial Release | 01 | 23/3/94 |
| 23028 | Removes Rework Instruction | 02 | 18/4/94 | |
| 23016 | Remove 12134821 Add 12010521 | " | 10/5/94 | |
| 16342/51 | Replace Processor 1225130 with 12296030 | 03 | 24/6/94 | |
| 16323 | Change Filter from 12190130 to 12294230 | 04 | 4/7/94 | |
| 16356 | Delete SRAM 20ns Add SRAM 15ns | 05 | 22/7/94 | |
| 23309 | Update 151214SW to V. 2-05 | 06 | 20/7/94 | |
| 16382 | Delete IC SRAM 15381630 Add 13213430 | 07 | 10/8/94 | |
| 16393 | Check Date Codes on IC SRAM 12250530 | 08 | 2/9/94 | |
| Motherboard Samurai Rev F2 486DX2-66 NFP P/N 15317031 |
22980 | Initial Release | 01 | 23/3/94 |
| 23028 | Removes Rework Instruction | 02 | 18/4/94 | |
| 23016 | Remove 12134821 Add 12010521 | " | 10/5/94 | |
| 16342/51 | Replace Processor 1225130 with 12296030 | 03 | 24/6/94 | |
| 16323 | Change Filter from 12190130 to 12294230 | 04 | 4/7/94 | |
| 16356 | Delete SRAM 20ns Add SRAM 15ns | 05 | 22/7/94 | |
| 23309 | Update 151214SW to V. 2-05 | 06 | 20/7/94 | |
| 16382 | Delete IC SRAM 15381630 Add 13213430 | 07 | 10/8/94 | |
| 16393 | Check Date Codes on IC SRAM 12250530 | 08 | 2/9/94 | |
| Backplane Board P/N 12303531 |
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 | |
| Motherboard Samurai F3 486DX-33 + Proc. P/N 13208131 |
Initial Release | 01 | ||
| 23016 | Remove 12134831 Add 12010521 | 02 | 29/3/94 |
