BCM QS750 User Manual download pdf (Page 37)

4. BIOS Setup

4.4.3 External Cache

Cache memory is an additional memory that is much faster than conventional DRAM(system

memory). When the CPU requests data, the system transfers the requested data from the

main DRAM into cache memory, for even faster access by the CPU. The External Cache

field may not appear if your system does not have external cache memory.

4.4.4 Quick Power On Self Test

This allows you to enable or disable system self test when power on.

4.4.5 First Boot Device

This option sets the type of device for the first boot drives that the AMIBIOS sttempts to

boot from after AMIBIOS Post completes.

4.4.6 Second Boot Device

This option sets the type of device for the second boot drives that the AMIBIOS sttempts to

boot from after AMIBIOS Post completes.

4.4.7 Third Boot Device

This option sets the type of device for the third boot drives that the AMIBIOS sttempts to

boot from after AMIBIOS Post completes.

4.4.8 Boot Other Device

The original IBM PCs loaded the DOS operating system from drive A (floppy disk), so IBM

PC-compatible systems are designed to search for an operating system first on drive A, and

then on drive C (hard disk). However, the BIOS now offers 10 different boot sequence

options of three drive each. In addition to the traditional drives A and C, options include IDE

hard drives D, E, and F; plus a SCSI hard drive and a CD-ROM drive.

4.4.9 Swap Floppy Drive

This field is effective only in systems with two floppy drives. Selecting Enabled assigns

physical drive B to logical drive A, and physical drive A to logical drive B.

4.4.10 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 720 KB, 1.2 MB, and 1.44

MB capacity all have 80 tracks. Because very few modern PCs have 40-track floppy drives,

we recommend that you set this field to Disabled to save time.

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BCM QS750 User Manual Page 37