Onboard Ide - Acer Altos 900 Pro User Manual

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Selecting the "User" Option
There are cases when you cannot use the option
have to select
.
User
installed an hard disk that was previously formatted but does not use
the disk native parameters or structure, that is, the disk type may be
in the hard disk types list but the number of cylinders, heads, and
sectors differ.
Follow these steps to configure a hard disk with the
1.
Highlight an hard disk parameter.
2.
Select the option
User
3.
Type in the number of cylinders, heads, and sectors of the drive
under the appropriate columns.
Be sure to have the correct hard disk
information beforehand.
4.
Choose
YES
when asked if you want to save CMOS data.
2.2.4

Onboard IDE

This parameter enables or disables IDE channels 1 and 2 which
support up to two IDE drives each. The onboard IDE channel 1 uses
the system resource IRQ14 while IDE channel 2 uses IRQ15.
When set to
Enabled
, this parameter enables all of the IDE drives
installed in the system. Setting to
drives and grays the IDE Drive parameters.
Disabling this option frees IRQ14 and IRQ15 making them available
for add-on cards use. However, if there is no drive connected to IDE
channel 2, the system automatically frees IRQ15 for other devices
even if this parameter is enabled.
BIOS Utility
Choose the
option when you have
User
and press
.
Disabled
Auto
, instead you
option:
User
deactivates the IDE
2-7

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