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Netra X1 / Sun Fire V100

Options 7090 / 7091 / 7092

370-4289 370-4237 370-4281
128MB 3.3V ECC
PC133 SDRAM DIMM
Option 7090
256MB 3.3V ECC
PC133 SDRAM DIMM
Option 7091
512MB 3.3V ECC
PC133 SDRAM DIMM
Option 7092
500MHz Models Only

400MHz UltraSPARC IIe
Address Generation Logic Memory Mapping

Identical Size DIMMs Example

Mixed Size DIMMs Example

Memory Notes

  1. The memory installation sequence is Slot 3, 2, 1, and 0.
  2. Each DIMM slot addresses 512MB with 400MHz UltraSPARC IIe.
  3. Each DIMM slot addresses 1GB with >=550MHz UltraSPARC IIe.
  4. When equal size DIMMs are installed, the lowest slot number is mapped to the lowest address range.
  5. When mixed size DIMMs are installed, the slot number with the largest size DIMM is mapped to the lowest address range.
  6. Memory bus speed is set by OBP during initialization and is a ratio of the CPU clock frequency.

References

  1. Netra X1 Server User's Guide, 806-5980.
  2. Sun Fire V100 Server User's Guide, 816-2756.

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