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Most of the IDE drive information items are grayed out when the items
Primary IDE Master and Access Mode are set to [Auto].
If you wish to manually configure the IDE drive items, set the Primary
IDE Master to [Manual], and the Access Mode to [CHS].
PIO Mode [Auto]
Sets the PIO mode for the IDE drive. The settings Mode 0 to 4 allow
successive increase in performance. Configuration options: [Auto]
[Mode 0] [Mode 1] [Mode 2] [Mode 3] [Mode 4]
UDMA Mode [Auto]
When this item is set to [Auto], the UDMA capability allows improved
transfer speeds and data integrity for supported IDE drives. Configuration
options: [Disabled] [Auto]
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Chapter 4: BIOS Setup
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