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Chapter 3 BIOS Setup l IDE HDD Auto­Detection This option allows detecting the parameters of the IDE device via pressing Enter, and these parameters will automatically be displayed at the bottom of the screen. l IDE Channel 0 Master The default value is Auto; system will automatically detect which IDE device it is; select “Manual” means that users have to input all these parameters manually (it is not recommended unless the user is quite familiar with all these parameters). Select “None” to disable that channel. l Access Mode The default value is Auto; In CHS option, “C” represents Cylinder, “H” represents Head, “S” represents Sector; while the “Large” option represents extended CHS. In early times, by adding transmission in BIOS layer, the hard disk addressing exceeds the bottleneck of 512M. LBA option abandons the specifications of column, channel and sector and takes sector as unified addressing for all the hard disks. To choose this option, it requires both the BIOS and hard disk to support LBA mode. Auto means that system will decide the way of accessing the hard disks. Capacity: current capacity of the hard disk Cylinder: number of the hard disk cylinder Head: number of the read/write head Precomp: write in the pre­compensation value to adjust write­in time Landing zone: landing zone of read/write head Sector: sector number of each track Ø Drive A <Drive A> means 1.44M, 3.5″ floppy disk. Ø Video There are four displaying modes in <Video> option, EGA/VGA: EGA (Enhanced Graphics Adapter), each pixel is 4bits, 16 colors in all and support resolution of
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