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Chapter 5 - BIOS Utility
5-11
5.2.8 Enhanced IDE Features
Hard Disk Size > 504 MB
This enhanced IDE feature works only under DOS and Windows 3.x
environments. If enabled, it allows you to use a hard disk with a capacity of more
than 504 MB. This is made possible through the Logical Block Address (LBA)
mode translation. Other operating systems require this parameter to be set to
Disabled.
To prevent data loss, set this parameter set to Enabled if you are using a hard
disk with more than 504 MB capacity that was previously configured through
LBA mode. If you use a hard disk configured through cylinder-head-sector
(CHS) mode, set this item to Disabled.
Hard Disk Block Mode
This function enhances disk performance depending on the hard disk in use. If
you set this parameter to Enabled, it allows data transfer in block (multiple
sectors) by increasing the data transfer rate to 256 bytes per cycle. If your system
does not boot after enabling this parameter, change the setting to Disabled. This
parameter is normally set to Disabled.
5.2.9 Large Memory Support Mode
This parameter allows the system to support extended memory higher than 64
MB. Set this parameter to Advanced if you are working under Windows NT
environment and the system memory size is greater than or equal to 64 MB.
Otherwise, set it to Normal. The default setting is Normal.
5.2.10 Num Lock After Boot
This parameter allows you to activate the Num Lock function upon booting. The
default setting is Enabled.