Unless you specifically need it, this option should be disabled.
Memory Write Posting This option may improve performance on older systems, but will likely degrade
performance??”and even cause video corruption??”on newer systems. Disable this
option unless you??™re willing to experiment with it.
Table A-1. Common BIOS settings and what they do (continued)
Setting Description
BIOS Settings | 581
BIOS Settings
Microcode Updation This permits BIOS updates from the manufacturer to also update certain code in your
processor. Set this to Enabled if you want all the latest fixes and bugs.
MPS Version Control This allows you to choose the multiprocessor specification version supported by your
operating system. Windows Vista supports version 1.4, although some other operating
systems do not.
Numlock State Turn this on if you want the Num Lock keyboard light turned on when the system
starts. Turn this off if you typically use the numeric keypad to move your cursor,
instead of the ???inverted T??? cursor keys.
Onboard FDD Controller This enables or disables the floppy diskette drive controller on your motherboard.
Onboard IR Function This enables or disables the infrared port on your motherboard.
Onboard SCSI This enables or disables the SCSI controller on your motherboard. Note that SCSI settings
will typically be set with a separate SCSI BIOS utility (e.g., Ctrl-A for Adaptec
controllers).
Overclocking See ???Overclock Your Processor??? in Chapter 5.
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