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Chapter 4 BIOS Setup Utility
70 Reference Manual XTX 820
>IDE Configuration
• ATE/IDE Configuration – [Disabled], [Compatible], or [Enhanced]
This field configures the integrated parallel and serial ATA controllers on the XTX 820.
∗ If this field is set to [Disabled], both integrated parallel and serial ATA controllers onboard
the XTX 820 are prevented from operating and all IDE device fields below Legacy IDE
Channels disappear from the screen.
∗ If this field is set to [Compatible], both integrated parallel and serial ATA controllers operate
in legacy or compatible mode.
∗ If this field is set to [Enhanced], both integrated parallel and serial ATA controllers operate in
enhanced or native mode and the next field, Legacy IDE Channels, disappears from the screen.
♦ Legacy IDE Channels – [SATA Only], [SATA Pri, PATA Sec], or [PATA Only]
This field determines which IDE channels are used to attach the Serial ATA (SATA) and
Parallel ATA (PATA or EIDE HDDs) drives in BIOS Setup.
∗ If this field is set to [SATA Only], only the SATA (Serial ATA) drives can be attached to
the system and recognized by the BIOS.
∗ If this field is set to [SATA Pri, PATA Sec], the SATA drives are attached to the Primary IDE
channel and the EIDE hard disk drives (PATA) are attached to the Secondary IDE channel.
∗ If this field is set to [PATA Only], only the EIDE hard disk drives (PATA) can be
attached to the system and recognized by the BIOS.
>Primary IDE Master: – [Not Detected] or [Device Type]
∗ If the BIOS does not detect a device on the Primary IDE Master channel, [Not Detected] will be
displayed. You can still go to the submenu to set options for an IDE device.
∗ If the BIOS auto detects a IDE device, the device will be displayed [Hard Disk for example]
with the parameters automatically selected, because auto is used for the defaults.
♦ Type – [Not Installed], [Auto], [CD/DVD], or [ARMD]
This field sets the type of device the BIOS attempts to boot from after the Power On Self Test
(POST) has completed.
∗ If [Not Installed] is selected, the BIOS is prevented from searching for an IDE disk drive
on the specified channel.
∗ If [Auto] is selected, the BIOS auto detects any IDE disk drives on the specified channel.
This is the default setting and should be used for any IDE hard disk drive attached to the
baseboard.
∗ If [CD/DVD] is selected, the BIOS only searches for an IDE CD-ROM or IDE DVD
device on the Primary IDE channel. The BIOS will not attempt to search for other types
of IDE devices on the specified channel.
∗ If [ARMD] is selected, the BIOS detects an ATAPI Removable Media Device on the
specified IDE channel. This includes, but is not limited to ZIP drives and LS-120 drives.
♦ LBA/Large Mode – [Disabled] or [Auto]
This field sets the LBA (Logical Block Addressing) on the IDE disk drive. In LBA mode
with a setting of [Auto], the maximum drive capacity is greater than 137 GB.
♦ Block (Multi-Sector Transfer) – [Disabled] or [Auto]
This field sets the block mode multi-sector transfers option and allows the BIOS to auto detect
device support for Multi-Sector Transfers on the specified channel. Block mode boosts IDE
drive performance by increasing the amount of data transferred. Only 512 bytes of data can
be transferred per interrupt if block mode is not used. Block mode allows transfers of up to
64 kB per interrupt.