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B-12 SPARC Enterprise M8000/M9000 Servers Service Manual • June 2010
B.7 IOU Onboard Device Card
The IOU onboard device card (IOUA) is an option for mounting CD-RW/DVD-RW
drive units or tape drive units in SPARC Enterprise server cabinets. Connect to the
CD-RW/DVD-RW drive unit or tape drive unit is controlled by IOUA. The IOUA to
control these devices must be mounted on PCI slot 0 or 4 of the IOU.
FIGURE B-7 shows the IOUA.
FIGURE B-7 IOU Onboard Device Card (IOUA)
The IOUA has the following characteristics.
■ Hot replacement of an IOUA is possible.
■ SAS interface is not supported.