Oracle X7-8 Service Manual page 249

CPU modules (CMODs) must be installed in slots 0-3. CMOD slots 4-7 are empty.
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All eight dual PCIe card carrier (DPCC) slots must be installed but only DPCC slots 1, 2, 3
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and 4 are active.
PCIe slots 5, 6, 7, and 8 are nonfunctional in 4-socket systems.
All eight fan modules (FMs) must be installed but only FMs 0-3 are active.
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Both fan frames must be installed.
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PS2 and PS3 are installed and active. PS0 and PS1 are also installed, but inactive. PS2 and
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PS3 power System A. PS0 and PS1 power System B.
All four AC power connectors on the back panel must be attached with grounded AC power
cords.
Storage drive bays in System B may have filler panels installed.
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The following illustration shows an Oracle Server X7-8 back panel with a single 4-socket (1x4)
server four-CMOD configuration.
Call Description
Out
1 HDD0-3 four storage drives, back panel accessible
2 SMOD0 System A
3 PCIE0-3 System A
4 DPCC0-3 System A
System Socket Mode Configurations
Configuring the System Socket Modes 249