IBM 867431X Hardware Maintenance Manual - Page 38
PCI Slot/Device Information, Processor Serial Number Access
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If the Boot Fail Count choice is enabled, you must restart the system three times to restore the system BIOS default settings. If this choice is disabled, the system BIOS defaults can only be restored from the Configuration/Setup Utility main menu. You can enable a virus-detection test that checks for changes in the master boot record at startup. v Advanced Setup Select this choice to change values for advanced hardware features, such as cache control, and PCI configuration. This choice appears only on the full Configuration/Setup Utility main menu. A warning message appears above the choices on this menu to alert you that the system might malfunction if these options are configured incorrectly. Follow the instructions on the screen carefully. - Processor Serial Number Access Select this choice to identify if the microprocessor serial number in the microprocessor is readable. - System Partition Visibility Select this choice to identify if the System Partition is visible. To make the System Partition visible, set this value to Visible. To make the System Partition invisible, set this value to Hidden. - Core Chipset Control Select this choice to modify settings that control features of the core chip set on the system board. Attention: 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 set the microprocessor cache mode to write-back (WB) or write-through (WT). Selecting write-back mode will provide the maximum system performance. - PCI Slot/Device Information Select this choice to view and identify system resources used by PCI devices. PCI devices automatically communicate with the server/workstation configuration information. This usually results in automatic configuration of a PCI device. Attention: You must use the menu selections to save custom settings for the PCI Slot/Device Information choice. The save, restore and load default settings choices on the main menu of the Configuration/Setup Utility do not save the PCI Slot/Device Information settings. PCI Device Control allows you to enable or disable the PCI slots from this menu. - The default setting is Enable for all the PCI slots. If you select Disable, the system will not configure the disabled device and the operating system will not see the device. (This is equivalent to unplugging the device.) - Memory Settings Select this choice to manually disable or enable a bank of memory. If a memory error is detected during POST or memory configuration, the server/workstation will automatically disable the failing memory bank and continue operating with reduced memory capacity. If this occurs, you must manually enable the memory bank after the problem is corrected. Select 30 Hardware Maintenance Manual: xSeries 330 Type 8674, IntelliStation R Pro Type 6851, and Network Equipment Building System Type 8674
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