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Appendix B Components B-13
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 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.
■ Support the hardware RAID via RAID-capable IOUA.