Acer Altos 500 aa500ug.pdf - Page 52

Enhanced IDE Features, Hard Disk Size > 504 MB, Hard Disk Block Mode

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Head This parameter specifies the number of heads of your hard disk, and is automatically set depending on your Type parameter setting. Sector This parameter specifies the number of sectors of your hard disk, and is automatically set depending on your Type parameter setting. Size This parameter specifies the size of your hard disk, in MB. This is automatically set depending on your Type parameter setting. Enhanced IDE Features Hard Disk Size > 504 MB When set to Auto, the BIOS utility automatically detects if the installed hard disk supports the function. If supported, 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. However, this enhanced IDE feature works only under DOS and Windows 3.x, 95 environments. Other operating systems require this parameter to be set to Disabled. The default setting is Auto. Hard Disk Block Mode This function enhances disk performance depending on the hard disk in use. If you set this parameter to Auto, the BIOS utility automatically detects if the installed hard disk drive supports the Block Mode function. If supported, it allows data transfer in block (multiple sectors) at a rate of 256 bytes per cycle. To disregard the feature, change the setting to Disabled. The default setting is Auto. Altos 500 Series User's Guide

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Altos 500 Series User’s Guide
Head
This parameter specifies the number of heads of your hard disk, and is
automatically set depending on your Type parameter setting.
Sector
This parameter specifies the number of sectors of your hard disk, and is
automatically set depending on your Type parameter setting.
Size
This parameter specifies the size of your hard disk, in MB.
This is automatically
set depending on your Type parameter setting.
Enhanced IDE Features
Hard Disk Size > 504 MB
When set to
Auto
, the BIOS utility automatically detects if the installed hard disk
supports the function.
If supported, 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.
However, this enhanced IDE feature
works only
under DOS and Windows 3.x, 95
environments.
Other operating systems require
this parameter to be set to
Disabled
. The default setting is
Auto
.
Hard Disk Block Mode
This function enhances disk performance depending on the hard disk in use.
If
you set this parameter to
Auto
, the BIOS utility automatically detects if the
installed hard disk drive supports the Block Mode function.
If supported, it allows
data transfer in block (multiple sectors) at a rate of 256 bytes per cycle.
To
disregard the feature, change the setting to
Disabled.
The default setting is
Auto
.