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Chapter 4 BIOS Setup Utility
XTX 820 Reference Manual 75
> Fourth IDE Slave: – [Not Detected] or [Device Type]
The descriptions used for the Primary IDE Master are the same for the Fourth IDE Slave except
where noted.
∗ If the BIOS does not detect a device on the Fourth IDE Slave 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.
♦ Type – [Not Installed], [Auto], [CD/DVD], or [ARMD]
∗ If [Not Installed] appears due to Not Detected, the balance of the options for Fourth IDE
Slave may not appear on screen.
♦ LBA/Large Mode – [Disabled] or [Auto]
♦ Block (Multi-Sector Transfer) – [Disabled] or [Auto]
♦ PIO Mode – [Auto], [0], [1], [2], [3], or [4]
♦ DMA Mode – [Auto], [SWDMA0], [SWDMA01], [SWDMA2], [MWDMA0], [MWDMA1],
[MWDMA2], [UDMA0], [UDMA1], [UDMA2], [UDMA3], [UDMA4], [UDMA5], or
[UDMA6]
♦ S.M.A.R.T. – [Auto], [Disabled], or [Enabled]
♦ 32Bit Data Transfer – [Disabled] or [Enabled]
• Hard Disk Write Protect – [Disabled] or [Enabled]
This field protects the hard disk drive from being overwritten.
∗ If [Disabled] is selected, the HDD operates normally, allowing Read, Write, and Erase
functions to be performed on the IDE hard disk drive.
∗ If [Enabled] is selected, the BIOS is prevents the IDE HDD from being erased.
• IDE Detect Time Out (Sec) – [0], [5], [10], [15], [20], [25], [30], or [35]
The field determines how long the BIOS searches for the available IDE devices on the specified
channels. Some IDE HDDs take the BIOS longer to locate than others, but this field allows you
fine-tune the settings to allow for faster boot times.
∗ If [0] is selected, the BIOS does not search for an IDE device. This is the best setting to use if
the onboard IDE controllers are set to a specific IDE HDD in the BIOS.
∗ If [5] is selected, the BIOS stops searching for an IDE device after 5 seconds. A large
majority of ultra ATA HDDs can be detected with within 5 seconds.
∗ If [10] is selected, the BIOS stops searching for an IDE device after 10 seconds.
∗ If [15] is selected, the BIOS stops searching for an IDE device after 15 seconds.
∗ If [20] is selected, the BIOS stops searching for an IDE device after 20 seconds.
∗ If [25] is selected, the BIOS stops searching for an IDE device after 25 seconds.
∗ If [30] is selected, the BIOS stops searching for an IDE device after 30 seconds.
∗ If [35] is selected, the BIOS stops searching for an IDE device after 35 seconds. This is the
default setting and is the recommended setting when all IDE connectors are set to Auto.