Dell PowerEdge 1800 - Manual (Page 78)

78
Installing System Options
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5 Remove the expansion card:
a Remove the screw that secures the expansion-card bracket to the back panel.
b Press the expansion-card securing tab (if the expansion card is full-length), grasp the
expansion card by its top corners, and then carefully remove it from the expansion-card
connector. See Figure 6-3.
6 If you are removing the card permanently, install a metal filler bracket over the empty
expansion slot opening and close the expansion-card latch.
NOTICE:
You must install a filler bracket over an empty expansion slot to maintain Federal
Communications Commission (FCC) certification of the system. The brackets also help keep dust and dirt
out of the system and aid in proper cooling and airflow inside the system.
7 Close the system. See "Closing the System" in "Troubleshooting Your System."
8 Reconnect the system to its electrical outlet and turn the system on, including any attached
peripherals.
System Memory
The six memory module sockets can accommodate from 256 MB to 12 GB of registered ECC
PC2-3200 (DDR 2 400) memory. The memory sockets are located on the system board under the
memory module shroud adjacent to the power supply bays. See Figure A-3.
You can upgrade the system memory by installing combinations of 256-MB, 512-MB, 1-GB, and
2-GB registered memory modules. You can purchase memory upgrade kits from Dell.
NOTE:
Two-way interleaving is not supported in the minimum memory configuration (single 256-MB
memory module) and the maximum memory configuration depends on the availability of single-rank 2-GB
memory modules.
NOTE:
The memory modules must be PC2-3200 compliant.
NOTICE:
If you remove your original memory modules from the system during a memory upgrade, keep
them separate from any new memory modules that you may have, even if you purchased the new
memory modules from Dell. Use only registered ECC DDR II memory modules.
The memory module sockets are arranged in three banks on two channels (A and B). The memory
module banks are identified as follows:
• Bank 1: DIMM1_A and DIMM1_B
• Bank 2: DIMM2_A and DIMM2_B
• Bank 3: DIMM3_A and DIMM3_B