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ASUS TXP4 User’s Manual38

IV. BIOS SOFTWARE

IV. BIOS

(Standard CMOS)

The MODE entry is for IDE hard disks only, and can be ignored for MFM and ESDI

drives. This entry provides three options: Normal, Large, LBA, or Auto (see below).

Set MODE to the Normal for IDE hard disk drives smaller than 528MB; set it to

LBA for drives over 528MB that support Logical Block Addressing (LBA) to allow

larger IDE hard disks; set it to Large for drives over 528MB that do not support

LBA. Large type of drive can only be used with MS-DOS and is very uncommon.

Most IDE drives over 528MB support the LBA mode.

Autodetection of Hard Disks on Bootup

For each field, Primary Master, Primary Slave, Secondary Master, and Secondary

Slave, you can select Auto under the TYPE and MODE fields. This will enable auto

detection of your IDE disk drives during bootup. This will allow you to change your

hard disks (with the power off) and then power on without having to reconfigure

your hard disk type. If you use older hard disks that do not support this feature, then

you must configure the hard disk in the standard method as described earlier using

the “User” option.

NOTE: After the IDE hard disk drive information has been entered into BIOS, new

IDE hard disk drives must be partitioned (such as with FDISK) and then formatted

before data can be read from and write on. Primary IDE hard disk drives must have

its partition set to active (also possible with FDISK).

NOTE: SETUP Defaults are noted in parenthesis next to each function heading.

Drive A / Drive B (None)

These fields record the types of floppy disk drives installed in your system. The

available options for drives A and B are 360KB, 5.25 in.; 1.2MB, 5.25 in.; 720KB,

3.5 in.; 1.44MB, 3.5 in.; 2.88MB, 3.5 in.; None.

To enter the configuration value for a particular drive, highlight its corresponding

field and then select the drive type using the left or right arrow keys.

Floppy 3 Mode Support (Disabled)

This is the Japanese standard floppy drive. The standard stores 1.2MB in a 3.5-inch

disk drive. This is normally disabled but you may choose from either Drive A, Drive

B, Both, or Disabled.

Video (EGA/VGA)

Set this field to the type of video display card installed in your system. The options

are EGA/VGA, CGA 40, CGA 80, and Mono (for Hercules or MDA). If you are using

a VGA or any higher resolution card, choose EGA/VGA.

Halt On (All Errors)

This field determines which types of errors will cause the system to halt. Choose from

either All Errors; No Errors; All, But Keyboard; All, But Diskette; or All, But Disk/Key.

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Asus TXP4 Manuel d'utilisateur Page 38