3-6 www.hp.com Technical Reference Guide
Processor/Memory Subsystem
Table 3-1 shows suggested memory configurations for these systems. Note that the USDT form
factor provides only three DIMM sockets and therefore cannot match the SFF, ST, MT, and CMT
form factors in maximum memory capacity.
NOTE: Table 3-1 does not list all possible configurations. Balanced-capacity, dual-channel
loading yields best performance.
NOTE:
[1] Not present on USDT form factor.
Table 3-1.
DIMM Socket Loading
Channel A Channel B
Socket 1 Socket 2 [1] Socket 3 Socket 4 Total
128-MB none none none 128-MB
128-MB none 128-MB none 256-MB (dual-channel)
128-MB 128-MB 128-MB none 384-MB (dual-channel)
128-MB 128-MB 128-MB 128-MB 512-MB (dual- channel)
256-MB none none none 256-MB
256-MB none 256-MB none 512-MB (dual-channel)
512-MB none none none 512-MB
512-MB none 512-MB none 1-GB (dual-channel)
1-GB none none none 1-GB
1-GB none 1-GB none 2-GB (dual-channel)
1-GB 1-GB 1-GB none 3-GB (dual-channel)
1-GB 1-GB 1-GB 1-GB 4-GB (dual-channel)