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Compaq Professional Workstation AP550 Maintenance and Service Guide
RIMM Slot Locations and Configurations
Your workstation supports four RIMM sockets on two Dual Direct RDRAM channels. Both
channels support 32-line cache, which stores prefetched information. A maximum of 32 Direct
RDRAM devices is supported per channel.
The four RIMM sockets are numbered XMM1 and XMM2 (Channel A) and XMM3 and
XMM4 (Channel B).
1 3 42
Figure 3-28. RIMM sockets must be populated in pairs
Table 3-4
RIMM Slot Locations
Identifier Component Memory Channel
1
RIMM Slot XMM2 Channel A
2
RIMM Slot XMM1 Channel A
3
RIMM Slot XMM4 Channel B
4
RIMM Slot XMM3 Channel B
Table 3-5
RIMM Installation Configurations
Memory Channel A Memory Channel B
RIMM Pairs RIMM Slot
XMM1 RIMM Slot
XMM2 RIMM Slot
XMM3 RIMM Slot
XMM4
Pair 1 RIMM CRIMM RIMM CRIMM
Pair 2 RIMM RIMM RIMM RIMM
NOTE:
CRIMMs (Continuity RIMMs) must be installed in unpopulated RIMM slots.
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