1 primary and secondary master/slave, Auto-detection [press enter, Access mode [auto – Asus AP1720-E1 User Manual
Page 76: 8 chapter 4: bios setup

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Chapter 4: BIOS Setup
4.3.1 Primary and Secondary Master/Slave
Auto-Detection [Press Enter]
Press enter to automatically detect an IDE hard disk drive, if the hard drive
is not already detected. In cases of undetected HDDs, pressing enter
detects the HDD and allows you access to the IDE Primary Master and
Access Mode fields.
IDE Channel 0/1 Master/Slave [Auto]
IDE Channel 0/1 Master/Slave [Auto]
Select [Auto] to automatically detect an IDE hard disk drive. If automatic
detection is successful, the setup BIOS automatically fills in the correct
values for the remaining fields on this sub-menu. If automatic detection
fails, this may be because the hard disk drive is too old or too new. If the
hard disk was already formatted on a previous system, the setup BIOS
may detect incorrect parameters. In these cases, select [Manual] to
manually enter the IDE hard disk drive parameters. If no drive is installed
or if you are removing a drive and not replacing it, select [None].
Configuration options: [None] [Auto] [Manual]
Access Mode [Auto]
The default [Auto] allows automatic detection of an IDE hard disk drive.
Select [CHS] for this item if you set the IDE Channel 0/1 Master/Slave to
[Manual] to enter the Hard Disk Drive values manually. Configuration
options: [CHS] [LBA] [Large] [Auto]
To auto-detect the
HDD’s size, head...on
this channel.
Primary Master
Auto-Detection
[Press Enter]
IDE Channel 0 Master
[Auto]
Access Mode
[Auto]
Capacity
40020 MB
Cylinder
19158
Head
16
Precomp
0
Landing Zone
19157
Sector
255