IBM 8670 Installation Guide - Page 24

Installing memory modules, Attention

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Note: Make sure that the PCI riser-card assembly is properly seated on the system-board connector and that the cables under the PCI riser-card assembly are not pinched. PCI riser-card assembly Retention latch 9. Connect any needed cables to the adapter. Attention: When you route the cables, do not block the ventilated space around any of the fans. In addition, route any cables that are plugged into the PCI adapter under adjacent adapters so they are not pinched between the top edge of the adapter and the server side wall. 10. If you have other options to install or remove, do so now. 11. Replace the top cover. Go to "Completing the installation" on page 20. Installing memory modules The following notes describe the types of dual inline memory modules (DIMMs) that your server supports and other information that you must consider when installing DIMMs: v Your server supports a minimum of two 256 MB DIMMs (for a total of 512 MB) installed in the DIMM 1 and DIMM 2 memory connectors (J1 and J2, respectively). When you install additional DIMMs, install them in pairs, with the next pair in DIMM connectors 3 and 4 (J3 and J4). v The system board contains four DIMM connectors and supports two-way memory interleaving. v The DIMM options available for your server are 256 MB, 512 MB, 1 GB, and 2 GB. v The amount of usable memory will be reduced, depending on the system configuration. The BIOS will display the total amount of installed memory and the amount of configured memory. v Both DIMMs in a pair must be the same size, speed, type, and technology. You can mix compatible DIMMs from various manufacturers. v The second pair of DIMMs do not have to be of the same size, speed, type, and technology as the first pair. 12 IBM xSeries 345 Type 8670: Installation Guide

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Note:
Make sure that the PCI riser-card assembly is properly seated on the
system-board connector and that the cables under the PCI riser-card
assembly are not pinched.
PCI riser-card
assembly
Retention
latch
9.
Connect any needed cables to the adapter.
Attention:
When you route the cables, do not block the ventilated space
around any of the fans. In addition, route any cables that are plugged into the
PCI adapter under adjacent adapters so they are not pinched between the top
edge of the adapter and the server side wall.
10.
If you have other options to install or remove, do so now.
11.
Replace the top cover. Go to “Completing the installation” on page 20.
Installing memory modules
The following notes describe the types of dual inline memory modules (DIMMs) that
your server supports and other information that you must consider when installing
DIMMs:
v
Your server supports a minimum of two 256 MB DIMMs (for a total of 512 MB)
installed in the DIMM 1 and DIMM 2 memory connectors (J1 and J2,
respectively). When you install additional DIMMs, install them in pairs, with the
next pair in DIMM connectors 3 and 4 (J3 and J4).
v
The system board contains four DIMM connectors and supports two-way memory
interleaving.
v
The DIMM options available for your server are 256 MB, 512 MB, 1 GB, and 2
GB.
v
The amount of usable memory will be reduced, depending on the system
configuration. The BIOS will display the total amount of installed memory and the
amount of configured memory.
v
Both DIMMs in a pair must be the same size, speed, type, and technology. You
can mix compatible DIMMs from various manufacturers.
v
The second pair of DIMMs do not have to be of the same size, speed, type, and
technology as the first pair.
12
IBM xSeries 345 Type 8670: Installation Guide