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System Overview
System Memory
Up to 2 GB of Synchronous Dynamic Random-Access Memory (SDRAM) can be
configured on the CPU board located in the CPU module. The CPU board contains four
168-pin DIMM sockets allowing for system memory expansion within a CPU module.
See Figure 1-13
Note:
Only use DIMMs approved for use in this server system.
Call your customer service representative for information.
A
B
C
D
A
CPU module
B
CPU board
C
Memory socket #1
D
Memory socket #4
Figure 1-13. DIMM Locations on the CPU Board
SAF-TE Controller
The SCSI Backplane has two SAF-TE (SCSI Accessed Fault Tolerant Enclosure)
controllers that provide an interface to a disk subsystem that supports status signals, hot
swapping drives, and module monitoring.
The transport mechanism for the standardized alert detection and status reporting is the
SCSI bus. Disk drives, power supplies, cooling fans, and temperature are continually
monitored and the conditions then reported over the SCSI bus to the system. This
allows the user to react to conditions that could normally go unnoticed until data loss.
Содержание Express5800 320La
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