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4-6 System Board
DIMM Sockets
The system board has four, 168-pin, gold-plated DIMM sockets. The sockets
support up to 1 GB of high-speed SDRAM memory. NEC provides DIMMs in
64-, 128-MB, and 256-MB 100-MHz memory configurations. DIMM modules:
can be installed in one, two, three, or four sockets
size can vary between sockets
run at 100 MHz
can be single- and double-sided.
For DIMM socket locations, see the figure in the previous section. See the
following tables for supported DIMMs and for sample DIMM upgrade paths. To
determine the memory needed for a memory upgrade, see “Checking System
Memory.” Pin assignments for DIMM sockets are included in this section.
Supported DIMMs
DIMM Size
ECC Configuration
64 MB
8 MByte x 72
128 MB
16 MByte x 72
256 MB
32 MByte x 72
Sample DIMM Upgrade Paths
Total Memory
DIMM Socket 1
DIMM Socket 2
DIMM Socket 3
DIMM Socket 4
64 MB
64 MB
empty
empty
empty
128 MB
128 MB
empty
empty
empty
192 MB
128 MB
64 MB
empty
empty
256 MB
256 MB
empty
empty
empty
320 MB
256 MB
64 MB
empty
empty
384 MB
256 MB
128 MB
empty
empty
448 MB
256 MB
128 MB
64 MB
empty
512 MB
256 MB
256 MB
empty
empty
576 MB
256 MB
256 MB
64 MB
empty
640 MB
256 MB
256 MB
128 MB
empty
704 MB
256 MB
256 MB
128 MB
64 MB
768 MB
256 MB
256 MB
256 MB
empty
832 MB
256 MB
256 MB
256 MB
64 MB
896 MB
256 MB
256 MB
256 MB
128 MB
1024 MB
256 MB
256 MB
256 MB
256 MB
Summary of Contents for POWERMATE PROFESSIONAL 9000E - SERVICE
Page 14: ...1 System Overview Configurations Features Components ...
Page 92: ...4 System Board Sockets and Connectors Jumpers Components Resources ...
Page 120: ...5 Expansion Boards Sound Board Graphics Board Network Board ...
Page 132: ...7 Preventive Maintenance System Cleaning Keyboard Cleaning Mouse Cleaning ...
Page 136: ...8 Troubleshooting Checklist Diagnostics ...
Page 176: ...A Release Notes General Notes Windows NT Issues ...