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Chapter 6: Removing and Replacing Customer-Replaceable Units
XIO Board Slots
Each system comes with a mimimum of 12 XIO board slots. Various types of optional
interface boards are supported in the XIO slots. These may include
• peripheral component interface (PCI)
• high-performance parallel interface (HIPPI)
• Fibre Channel
•ATM
There are certain installation restrictions that must be followed when XIO boards are
installed or removed. Failure to follow these configuration rules may result in system or
peripheral malfunction.
Always
• Keep the BaseIO (IO6S or IO6G) board installed in XIO slot 1
• Fill the top XIO slots first (XIO slots 3 and 5 should be filled first)
• Have the PCI module installed in XIO slot 2
Never
• Move the BaseIO (IO6S or IO6G) board to a slot other than XIO 1
• Have a SCSI board installed in XIO slot 2
• Have an XIO board installed in an unsupported slot (see “Board Configuration and
Layout” on page 20)
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