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3.2-D. Memory
You cannot change any values in the Memory fields, as they are shown only for your information. The
fields show the total installed random access memory (RAM) and amounts allocated to base, extended,
and other memory. RAM is the computer's working memory, where the computer stores programs and
data currently being used, so that they are accessible to the CPU. RAM is counted in kilobytes (KB:
approximately one thousand bytes) and megabytes (MB: approximately one million bytes). Modern per-
sonal computers may contain up to 128, 256 MB, or more.
Base Memory
Extended memory
Other Memory
3.3 Advanced BIOS Features
This section may allow the user to alter certain settings that affect the way their computer boots up,
checks CPU cache, and other advanced features. Please note that you should not alter settings in
this BIOS section unless you are absolutely sure that you know what you are doing.
Virus Warning
CPU Internal Cache
External Cache
CPU L2 Cache ECC Checking
Quick Power On Self Test
First Boot Device
Second Boot Device
Third Boot Device
Boot Other Device
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Typically 640KB. Also called conventional memory. The DOS
operating system and conventional applications use this area.
Above the 1MB boundary. Early IBM personal computers could
not use memory above 1MB, but current PCs and their software
can use extended memory.
Between 640KB and 1MB; often called high memory. DOS may
load terminate-and-stay (TSR) programs in this area, such as
device drivers, to free as much conventional memory as possi-
ble for applications. Lines in your config.sys file that start with
loadhigh, load programs into high memory, for example.
Sets whether the BIOS should try to auto-detect for boot viruses,
etc. [Default setting is Disabled]
Sets whether or not your installed CPU has internal cache
[Default setting is Enabled]
Sets whether or not external cache is installed. [Default is
Enabled]
Sets whether the CPU's L2 (Level 2) cache has ECC checking.
[Default is Enabled]
Sets whether BIOS should perform the quick POST during boot-
up. [Default is Disabled]
Sets the first device that the BIOS should check in order to boot-
up. [Default is Floppy]
Sets the second device that the BIOS should check in order to
boot-up. [Default is CD-ROM]
Sets the third device that the BIOS should check in order to
boot-up. [Default is HDD-0]
Sets whether still another boot device should be checked.
[Default is Enabled]
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