- 47 -Low Level FormatingA low level format erases a disk sector by sector and maps out any physically badsectors in the drive’s FAT (File Allocation Table). This is different than initializing a diskwhich simply erases the disk's master directory files. Low level formatting always takeslonger than initializing a disk—about 20 minutes for a 9 GB drive. Low level formattingis essential to optimizing a drive's performance and should be performed whenever youhave the opportunity. For example, whenever you anticipate having an empty drive, andno need to use that drive immediately. And of course, a low level format will eraseeverything on the drive, so make sure you have the drive's contents properly backedup.• HOT TIP! — After low level formatting a disk, you must also initialize the disk before itcan be used (to learn how to initialize a disk, read on).Performing a Low Level FormatA drive must be unmounted to perform a low level format.1) Press [SETUP], press [7] on the numeric keypad, and then use the [Up Arrow] toscroll to system page #711. It should look similar to this,711 Disk Low Format* LowFormat Disk 02) Press [TRIM] and select the SCSI device you want to Low Level Format. The stockinternal hard drive is SCSI ID 0.3) Once you have selected the SCSI device, press [STORE/YES]. You are prompted,"Are you sure (y/n)?" Press [STORE/YES] if you are sure.4) The LCD will read "LowFormat in Progress." Remember, this will take a while (about20 minutes per 9 GB).5) When the Low Level Format is complete, the LCD will display the following,720 Disk CleanupLowFormat complete• HOT TIP! — A Low Level Format can only be interrupted by turning off the power—don't do it! Never interrupt a Low Level Format or the drive will be unusable until a LowLevel Format is completed.