Table 9. Memory sparing mode DIMM population sequence
DIMMs
Number of installed
microprocessors
DIMM slots
1st set of DIMMs
1
3, 6, 8
2nd set of DIMMs
1
2, 5, 7
3rd set of DIMMs
2
11, 14, 16
4th set of DIMMs
2
10, 13, 15
Notes:
1. The 3rd and 4th sets of DIMMs can be installed right after microprocessor 2 is
installed even 1st and 2nd sets of DIMM slots are not full.
2. DIMM slots 1, 4, 9, and 12 are not used in memory sparing mode.
Installing an optional ServeRAID adapter advanced feature key
To install an optional ServeRAID adapter advanced feature key, complete the
following steps:
1. Read the safety information that begins on page vii and “Installation guidelines”
on page 35.
2. Turn off the server and peripheral devices and disconnect the power cords.
3. Remove the left-side cover (see “Removing the left-side cover” on page 57).
4. Rotate the adapter-retention brackets to the open position.
5. Align the upgrade key with the connector on the ServeRAID adapter and push it
into the connector until it is firmly seated.
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IBM System x3500 M3 Type 7380: Installation and User’s Guide
Summary of Contents for 7380E1U
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