Appendix C
Functional
Description
C-13
C.3.5
DIMM Configurations
describes supported DIMM memory configurations for the Sun Blade 1500
workstation.
C.3.6
Memory Interleaving
The UltraSPARC IIIi supports four interleaving modes:
■
Bank
■
Rank
■
DIMM
■
XOR
C.3.6.1
Bank Interleaving
Bank interleaving is interleaving within a single device on a DDR1 SDRAM. Each
DDR SDRAM used by the workstation contains 18 devices.
C.3.6.2
Rank Interleaving
Rank interleaving is interleaving between a pair of memory devices on a single
DIMM. Each DDR SDRAM used in by the workstation contains 18 devices, nine on
one half and nine on the other half. To perform rank interleaving, one discrete device
on the left half of the memory module must pair with its adjacent memory module
on the right half of the module.
TABLE
C-3
Sun Blade 1500 Supported DIMM Configurations
SDRAM Organization
Number of
DRAMs
Physical
Bank per
DIMM
Module
Configuration
DIMM
Capacity
Minimal
Memory
Maximum
Memory
256Mbit (64Mx4)
18
1
64Mx72
512MB
1GB
2GB
256Mbit (32Nx8)
18
2
2x(32Mx72)
512MB
1GB
2GB
512Mbit (64Mx8)
9
1
64Mx72
512MB
1GB
2GB
512Mbit (128Mx4)
18
1
128Mx72
1GB
2GB
4GB
512Mbit (64Mx8)
18
2
2x(64Mx72)
1GB
2GB
4GB
1Gbit (256Mx4)
18
1
256Mx72
2GB
4GB
8GB
1Gbit (128Mx8)
18
2
2x(128Mx72)
2GB
4GB
8GB
Summary of Contents for Sun Blade 1500
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Page 432: ...B 20 Sun Blade 1500 Service Diagnostics and Troubleshooting Manual December 2004...
Page 472: ...C 40 Sun Blade 1500 Service Diagnostics and Troubleshooting Manual December 2004...
Page 500: ...Index 14 Sun Blade 1500 Service Diagnostics and Troubleshooting Manual December 2004...