IBM MICRO TOWER 2169 Hardware Maintenance Manual

Contents

47Video Default: EGA/VGAThis item defines the video mode of the system. This SystemBoard has a built-in VGA graphics system so you must leavethis item at the default value.Halt On Default: All ButKeyboardThis item defines the operation of the system POST (Power OnSelf Test) routine. You can use this item to select which kind oferrors in the POST are sufficient to halt the system.Base Memory, Extended Memory, Total MemoryThese items are automatically detected by the system at startup time.Advanced BIOS Features Setup OptionThis option displays a table of items which defines moreadvanced information about your system. You can makemodifications to most of these items without introducing fatalerrors to your system. Note that the page has a scroll-bar toscroll down to more items.Anti-Virus Protection Default: DisabledWhen this item is enabled it provides some protection againstviruses which try to write to the boot sector and partition table ofyour hard disk drive. This item is Disabled as a default. Youneed to disable it so that you can install an operating system.We recommend that you enable Anti-Virus Protection as soonas you have installed your disk with an OS.CPU Internal Cache Default: EnabledAll the processors that can be installed in this System Boarduse internal (level 1) cache memory to improve performance.Leave this item at the default value Enabled for betterperformance.External Cache Default: EnabledThe processors that can be installed in this system use anintegrated L2 cache memory to improve performance.CPU L2 Cache ECC Checking Default: EnabledThis item enables or disables ECC (Error Correction Code)error checking on the CPU cache memory. We recommend thatyou leave this item at the default value.Quick Power On Self Test Default: EnabledYou can enable this item to shorten the power on testing andhave your system start up a little faster. You might like to enablethis item after you are confident that your system hardware isoperating smoothly.