IBM 866631Y Hardware Maintenance Manual - Page 57
Adapter considerations, Installing an adapter, Before you begin
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Note: The illustrations in this book might differ slightly from your hardware. Non-hot-plug PCI slots 1-2 (on PCI bus A) External Attention LEDs for hot-plug slots Internal Attention LEDs for hot-plug slots Power LEDs for hot-plug slots Hot-plug PCI slots 3-6 (on PCI bus B) Adapter considerations Before you continue with the adapter-installation procedure: v Review the documentation that comes with the adapter and follow those instructions in addition to the instructions given in this chapter. If you need to change the switch or jumper settings on the adapter, follow the instructions that come with the adapter documentation. v Slots 3 through 6 support 5.0 V and universal PCI adapters. Note: A Universal PCI adapter supports both 3.3 V and 5.0 V operation. v Slots 1 and 2 support 3.3 V and universal PCI adapters only. v The server uses a rotational interrupt technique to configure PCI adapters. Because of this technique, you can install a variety of PCI adapters that currently do not support sharing of PCI interrupts. v The system scans PCI slots 1 through 6 to assign system resources; then the system starts (boots) the PCI devices in the following order: processor board devices, slots 1 and 2, and then slots 3 through 6. v The performance of the PCI adapters depends on the types of adapters in the system. v If you install a RAID adapter, follow the instructions in the RAID adapter documentation for configuring the adapter. v If you install a RAID adapter that comes with a backup battery pack, you must enable the backup battery pack before you can use the RAID adapter. Installing an adapter Refer to the following illustration to install an adapter. Before you begin: Installing options 47
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