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### Cannot Boot From Internal Disk With Sun Multithreaded 10 GbE Card in Slot 2, 3, or 4 (6711405, 6764001)

A system with a Sun Multithreaded 10Gb Ethernet card (X1027A-Z or X1107A-Z) in slot 2, 3, or 4 is unable to boot from the local disk. This problem occurs because the Ethernet card has a large option ROM. When the Ethernet card is scanned first before the embedded HBA, there is not enough space left to load the HBA option ROM, and the internal disks become inaccessible.

## Workaround

- There are two possible workarounds:
  - Install the Ethernet card in a slot other than 2, 3, or 4.
  - Disable any unneeded option ROM.

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