Component identification 84
DIMM identification
IMPORTANT:
This server does not support mixing RDIMMs and UDIMMs. Attempting to mix
these two types causes the server to halt during BIOS initialization.
The memory subsystem may be populated with either RDIMMs or UDIMMs, but mixing the two types is not
supported. To determine DIMM characteristics, use the label attached to the DIMM and the following
illustration and table.
Item Description
Definition
1
Size
—
2
Rank
1R = Single-rank
2R = Dual-rank
4R = Quad-rank
3
Data width
x4 = 4-bit
x8 = 8-bit
4
Memory speed
10600 = 1333-MHz
8500 = 1066-MHz
5
DIMM type
R = RDIMM (registered)
E = UDIMM (unbuffered with ECC)
For the latest supported memory information, see the QuickSpecs on the HP website
(
http://www.hp.com
).
Summary of Contents for AX691B
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Page 68: ...Cabling 68 Cabling SAS hard drive cabling Optical drive cabling ...