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Hardware options installation 56
IMPORTANT: When the HP ProLiant DL980 G7 server is configured with the Low-profile PCI
Express I/O expansion kit (Option Part Number AM434A) and no additional I/O backplane
options are installed, I/O devices installed in the Low Profile I/O backplane may not function,
causing the operating system to generate a machine check when attempting to access the
devices.
When this occurs, a message similar to the following will be displayed in the Integrate
Management Log (IML):
Uncorrectable Machine Check Exception (Board 0, Processor 5 or 6, APIC ID 0x000000A0,
Bank 0x0000000B or 0x0000000C, Status 0xFA000000'00160F0F, Address
0x00000000'00000000, Misc 0x65000000'00000090)
This is targeted to be resolved in a future version of the System ROM. As a workaround, perform
either of the following:
• Remove the Low-profile PCI Express I/O expansion kit (Option Part Number
AM434A)
• Order either of the following I/O backplane options and then add them to the
server:
o PCI Express I/O expansion kit option part number 588139-B21
o PCI-X / PCI Express I/O expansion kit option part number 588137-B21