Asus P5N73-AM - Manual (Page 66)

2-20 Chapter 2: BIOS setup
Landing Zone
Shows the number of landing zone per track. This item is not configurable.
Sector
Shows the number of sectors per track. This item is not configurable.
2.3.7 HDD SMART Monitoring [Disabled]
Allows you to enable or disable the HDD Self-Monitoring Analysis and Reporting
Technology (SMART) feature. Configuration options: [Disabled] [Enabled]
2.3.8 Installed Memory [xxx MB]
Shows the size of installed memory.
2.3.9 Usable Memory [XXX MB]
Shows the size of usable memory.
After entering the IDE hard disk drive information into BIOS, use a disk utility,
such as FDISK, to partition and format new IDE hard disk drives. This is
necessary so that you can write or read data from the hard disk. Ensure to set
the partition of the Primary IDE hard disk drives to active.