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| Warning | Only authorized service personnel should upgrade the system. Anyone who wants to upgrade the system herself/himself should know about the dangers of ESD (Electro-Static Discharge) and the necessary precautions. Unknowingly zapping the components of the computer will void the warranty. |
| 1. | No jumpers need to be set when installing memory. |
| 2. | Recommended SIMM speed is 100ns. |
| 3. | SHADOW VIDEO and BIOS take 128KB each off Extended Memory. |
| TOTAL | BANK 0 | BANK 1 | BANK 2 | BANK 3 | BASE | EXTENDED |
| MEMORY | SIMMs | SIMMs | SIMMs | SIMMs | MEMORY | MEMORY |
| 1MB | (2) 256KBx9 | (2) 256KBx9 | NONE | NONE | 640 | 384 |
| 2MB | (2) 1MBx9 | NONE | NONE | NONE | 640 | 1408 |
| 2MB | (2) 256KBx9 | (2) 256KBx9 | (2) 256KBx9 | (2) 256KBx9 | 640 | 1408 |
| 4MB | (2) 1MBx9 | (2) 1MBx9 | NONE | NONE | 640 | 3456 |
| 8MB | (2) 1MBx9 | (2) 1MBx9 | (2) 1MBx9 | (2) 1MBx9 | 640 | 7552 |
Note |
| These jumpers should not need to be set. |
| SIMM OPERATION MODE | J14 | J15 |
| 100ns Fast Page (4 Pages), 0 Wait | 1-2 | 1-2 |
| 100ns Fast Page (1 Page), 0 Wait | 2-3 | 1-2 |
| 100ns DRAM, 1 Wait | 1-2 | 2-3 |
| 120ns DRAM, 2 Wait | 2-3 | 2-3 |
| Warning | Only authorized service personnel should upgrade the system. Anyone who wants to upgrade the system herself/himself should know about the dangers of ESD (Electro-Static Discharge) and the necessary precautions. Unknowingly zapping the components of the computer will void the warranty. |
Note |
| This system supports the 80387-16 Math Co-processor. It is installed at location U55. No jumper settings are required. |
| Warning | Only authorized service personnel should upgrade the system. Anyone who wants to upgrade the system herself/himself should know about the dangers of ESD (Electro-Static Discharge) and the necessary precautions. Unknowingly zapping the components of the computer will void the warranty. |