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Cisco Bug: CSCut63261 - Cannot iSCSI boot to Intelx520 with MMIO above 4Gb enabled

Last Modified

Oct 20, 2015

Products (1)

  • Cisco Unified Computing System

Known Affected Releases


Description (partial)

Customer trying to install ESXi 5.5 Cisco ISO to C240-M3 and it fails.
Referenced CSCul03884 for guidance to get VMware to install due to memory issues.

When attempting to boot to Intel x520, the optionROM will not load when the 'Memory Mapped IO above 4GB' is enabled.

Error: "memory address not valid for this bus".

Install ESXi 5.5 on C240-M3 with numerous adapters attempting to iSCSI boot to Intel X520.
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