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IPPC-9151 Series Users Manual 76
CPU Internal Cache/External Cache
Cache memory is additional memory that is much faster than conven-
tional DRAM (system memory). CPUs from 486-type up contain internal
cache memory, and most, but not all, modern PCs have additional (exter-
nal) cache memory. When the CPU requests data, the system transfers the
requested data from the main DRAM into cache memory, for faster
access by the CPU.
CPU L2 Cache ECC Checking
When you select Enabled, it will speed up memory checking when the
external cache contains ECC SRAMs. The choices: Enabled; Disabled.
Processor Number Feature
Choose Disabled or Enabled. When enabled, the processor serial number
will display during the boot up screen.
Quick Power On Self Test
Select Enabled to reduce the amount of time required to run the power-on
self-test (POST). A quick POST skips certain steps. We recommend that
you normally enable quick POST.
First/Second/Third/Other Boot Device
The BIOS attempts to load the operating system from the devices in the
sequence selected in these items. The choices: Floppy; LS/ZIP; HDD;
SCSI; CDROM; Disabled.
Swap Floppy Drive
When enabled, floppy drives A and B will be exchanging without any
physical connection and modification on the cables.
Boot Up Floppy Seek
When enabled, the BIOS tests (seeks) floppy drives to determine whether
they have 40 or 80 tracks. Only 360-KB floppy drives have 40 tracks;
drives with 270KB, 1.2MB, and 1.44MB capacity all have 80 tracks.
Because very few modern PCs have 40-track floppy drives, we recom-
mend that you set this field to disabled to save time.
Boot Up NumLock Status
Toggle between On or Off to control the state of the NumLock key when
the system boots. If On, the numeric keypad is in numeric mode. If off,
the numeric keypad is in cursor control mode.