IBM 865811Y User Guide - Page 62
Adapter, considerations
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1 PCI slot 5 64-bit (J44) 2 PCI slot 4 64-bit (J39) 3 PCI slot 3 64-bit (J34) 4 PCI slot 2 32-bit (J32) 5 PCI slot 1 32-bit (J27) Adapter considerations Before you install adapters, review the following: v Locate 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 your adapter, follow the instructions that come with the adapter. v You can install full-length adapters in all expansion slots. v You can install a 32-bit adapter in any of the PCI slots, but you might want to install it in a 32-bit slot and use the 64-bit slots for 64-bit adapters. v Your server supports 5.0 V and universal PCI adapters; it does not support 3.3 V adapters. Note: Universal PCI adapters support both 3.3 V and 5.0 V operation. v Your 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 PCI slots 1 and 2 are on PCI bus A and PCI slots 3, 4, and 5 are on PCI bus B. Both PCI buses are primary buses. The system scans PCI slots 1 through 5 to assign system resources; then the system starts (boots) the PCI devices in the following order, if you have not changed the default boot precedence: PCI slots 1 and 2, system board SCSI devices, and then PCI slots 3 through 5. Note: To change the boot precedence for PCI devices, start the Configuration/Setup Utility program, select Start Options from the main menu, then select the PCI SCSI adapter boot option. See "Configuring the server" on page 31 for details on using the Configuration/Setup Utility program. 52 : Netfinity 5100 Type 8658 Models 11Y, 21Y, 31Y, 41Y, 51Y, 1RY, 2RY, 3RY, 4RY, 5RY