Attention: Do not attempt to replace the cache battery pack if the cache-data present LED on the card is
flashing. The cache-data present LED indicates that there is possible data in the cache on the adapter. To
prevent data loss, first make sure that the system has been shut down correctly. If the cache-data present
LED is flashing, refer to one of the following topics before removing the cache battery pack.
v For Linux operating systems, see Displaying rechargeable battery information.
v For AIX operating systems, see Displaying rechargeable battery information.
v For IBM i operating systems, see Displaying rechargeable battery information.
Note: When configuring a raid array using the IBM toolkit and the FC5903 adapter for a system running
Linux, the list of supported Direct Attach Storage Devices (DASD) is visible in the HMC only if you
select the LVM configure option in the IBM toolkit.
The following figure shows the adapter.
Specifications
Item Description
Adapter FRU number
46K4735 (Designed to comply with RoHS requirement.)
Battery FRU number
44V7597 (Designed to comply with RoHS requirement.)
I/O bus architecture
PCIe x8
Slot requirement
One PCIe x8 slot per adapter.
Adapters are installed in pairs.
Adapter pairs do not require to be in the same enclosure. For higher availability, place adapters
in separate enclosures. See the PCI adapter placement for placement rules.
Figure 59. PCIe Dual - x4 3 Gb SAS RAID Adapter
Managing PCI adapters 175
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