859x Memory / Processor Board Type
859x Memory / Processor Board Type
Type 1 Processor Boards
- Only interleaved memory configurations are supported. The system memory-module kits
operate in pairs. Each pair must be the same memory size, speed and type.
- On the Model 90, the pairs are J1 & J3, J2 & J4, on each riser card.
- On the Model 95 the pairs are A1 & B1, A2 & B2, A3 & B3, A4 & B4, on
the system board.
- Only parity (70 ns, 80 ns and 85 ns) kits are supported. Minimum operating requirement is
one pair of 1MB kits. Total system memory capacity is 64MB.
Type 2 Processor Boards
- Interleaved and non interleaved memory configurations are supported. If the kits are installed
in pairs of the same memory size, speed and type, the kits will run in interleaved mode. Any
other configuration is supported, but will run in non interleaved mode.
- On the Model 90, the pairs are J1 & J3, J2 & J4, on each riser card.
- On the Model 95, the pairs are A1 & B1, A2 & B2, A3 & B3, A4 & B4 on the
system board.
- Only parity (70 ns and 80 ns) kits are supported. Minimum operating requirement is one 2MB kit.
Total system memory capacity is 64MB.
Type 3 Processor Boards
- Only interleaved memory configurations are supported. The system memory-module kits
operate in pairs. Each pair must be the same memory size, speed and type.
- On the Model 90, the pairs are J1 & J3, J2 & J4, on each riser card.
- On the Model 95 the pairs are A1 & B1, A2 & B2, A3 & B3, A4 & B4, on
the system board.
- Parity (70 ns, 80 ns and 85 ns) or Error Correcting Code (ECC 70 ns) kits are supported (but not
a combination of both). Minimum operating requirement is one pair of 4MB ECC kits or one pair of 1MB
parity kits. Total system memory capacity is 64MB.
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