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Overview of BIOS Features
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3.3.2 PCI IDE Support
If you select Auto in the BIOS Setup program, the BIOS automatically sets up the two
PCI IDE connectors with independent I/O channel support. The primary IDE interface supports
hard drives up to ATA/66 and recognizes any ATAPI devices, including CD-ROM drives, tape
drives, and Ultra DMA drives. The secondary IDE interface supports to ATA/33. The BIOS
determines the capabilities of each drive and configures them to optimize capacity and
performance. To take advantage of the high capacities typically available today, hard drives are
automatically configured for Logical Block Addressing (LBA) and to PIO Mode 3 or 4, depending
on the capability of the drive. You can override the auto-configuration options by specifying
manual configuration in the BIOS Setup program.
To use ATA-66 features the following items are required:
• An ATA-66 peripheral device
• An ATA-66 compatible cable
• ATA-66 operating system device drivers
For information about Refer to
The supported version of ATAPI Table 2, page 13
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NOTE
Do not connect an ATA device as a slave on the same IDE cable as an ATAPI master device. For
example, do not connect an ATA hard drive as a slave to an ATAPI CD-ROM drive.