— Auto Case 2: Six DIMMs = 667-MHz memory bus speed provided that all DIMMs detected in
step 1 are rated for 667 MHz or greater.
— Auto Case 3: Eight DIMMs = 533-MHz memory bus speed provided that all DIMMs detected
in step 1 are rated for 533 MHz or greater.
o Menu Option 2 = 533 MHz
— Memory bus speed is set to 533 MHz regardless of how many DIMMs are installed provided
that all DIMMs detected in step 1 are rated for 533 MHz or greater.
The following rules must be followed when installing DIMMs in this server:
• DIMMs must be installed in pairs while following the population rules listed in the table below.
• DIMMs must be installed in decreasing capacity with the largest DIMMs installed in the banks
farthest away from each processor.
• DIMM pairs in a memory bank must have identical HP DIMM part numbers.
• Only HP DIMM part numbers listed in the QuickSpecs for this server should be used in this server.
IMM population order
Bank A Bank B Bank C Bank D Bank E Bank F Bank G Bank H
D
Configuration 1A & 2A 3B & 4B 5C & 6C 7D & 8D 9E & 10E 11F & 12F 13G & 14G 15H & 16H
1 processor 1st 2nd 3rd 4th — — — —
2 processors 1st 2nd 3rd 4th 1st 2nd 3rd 4th
Advanced ECC memory is the memory protection mode for this server. In Advanced ECC, the server doe
not fail because of correctable memory errors. The server provides notification if the level of correctable
errors exceeds a pre-defined threshold rate. Advanced ECC provides additional protection over standar
ECC because it is possible to correct certain memory errors that would otherwise be uncorrectable and
result in a server failure. Whereas standard ECC can correct single-bit memory errors, Advanced ECC
can correct single-bit m
s
d
emory errors and multi-bit memory errors if all failed bits are on the same DRAM
device on the DIMM.
rrect date and time, you may need to replace the
ovides power to the real-time clock.
System battery
If the server no longer automatically displays the co
battery that pr
burns exists if the battery pack is not
ry:
ts, or dispose of in fire or water.
• Replace only with the spare designated for this product.
WARNING: The computer contains an internal lithium manganese dioxide, a vanadium
pentoxide, or an alkaline battery pack. A risk of fire and
properly handled. To reduce the risk of personal inju
• Do not attempt to recharge the battery.
• Do not expose the battery to temperatures higher than 60°C (140°F).
• Do not disassemble, crush, puncture, short external contac
To remove the component:
1. Power down the server (on page 26).
2. Extend the server from the rack (on page 25).
Removal and replacement procedures 51
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