IBM 866441Y Hardware Maintenance Manual - Page 43
PCI Slot/Device Information, Core Chipset Control, Cache Control, MPS Version Control
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Core Chipset Control: Select this choice to modify settings that control features of the core chip set on the system board. Do not make changes here unless directed to do so by an IBM authorized service representative. Cache Control: Select this choice to enable or disable the microprocessor cache. In addition, you can define the microprocessor cache type as write-back (WB) or write-through (WT). Selecting write-back mode will provide the maximum system performance. MPS Version Control Select this choice to view and identify the multiprocessor specification (MPS) level. Some versions of the IBM OS/2 operating system use 1.1 as the MPS level. The default level is 1.4. Refer to the documentation that comes with the operating system for more information. PCI Slot/Device Information: Select this choice to view and identify system resources used by PCI devices. PCI devices automatically communicate with the server configuration information. This usually results in automatic configuration of a PCI device. If a conflict does occur, see "Resolving configuration conflicts" on page 39. Use the Up Arrow (↑) or Down Arrow (↓) key to highlight the assignment that you want to change and press Enter. Use the Left Arrow (←) or Right Arrow (→) key to select from the list of available choices. An asterisk (*) indicates that more than one device shares a slot. After making changes, you can select: Save and exit the PCI Utility to save the changes and return to the Advanced Setup choice. Exit the PCI Utility without saving changes to ignore the changes, restore the previous settings, and return to the Advanced Setup choice. Note You can use the menu selections to save settings or restore settings for the PCI Slot/Device Information choice only. The System Configuration Utility main menu selections save settings, restore settings, or load default settings for all other choices, but not the PCI Slot/Device Information choice. The server uses a rotational interrupt technique to configure PCI devices. Because of this technique, you can install a variety of PCI devices that currently do not support sharing of PCI interrupts (IRQs). Multiple-function PCI devices use more than one interrupt. Selecting PCI Device Control allows you to enable or disable the system board SCSI, video, and Ethernet controllers and the PCI slots. Netfinity 5600 - Type 8664 35