User manual
6
LifeBook C Series Notebook BIOS
Primary Master Submenu of the Main Menu
The Primary Master submenu identifies what ATA 
devices are installed.
*Note that actual hard drive label shown may vary. 
Depending on the drive type, information such as cylinders, 
heads and sectors may also be displayed.
Figure 2. Primary Master Submenu 
Table 2: Fields, Options and Defaults for the Primary Master Submenu of the Main Menu
Menu Field Options Default Description
Type: • Auto
• None
• CD-ROM
• Hard Disk
[Auto] Selects the ATA/ATAPI device type. Select Auto to have the type automati-
cally identified by the BIOS at POST. If None is selected, all of the following 
Set-up items do not appear. Select CD-ROM if a CD-ROM drive is installed at 
this connection. If Hard Disk is selected, you must specify the number of Cyl-
inders, Heads, and Sectors for the drive. 
CHS Format (Cylinders, Heads, Sectors)
Cylinders: • A number 
between 0 
and 65,535
–— This appears only when Hard Disk is selected. When Hard Disk is selected, 
you can change the value. This field is incremented by pressing the [Space-
bar]). This field is decremented by pressing the [-] key. You can also change 
the field by typing in the number. 
Heads:  • A number 
between 
1 and 16
–— This appears only when Hard Disk is selected. When it is selected, you can 
change the value. This field is incremented by pressing the [Spacebar]). This 
field is decremented by pressing the [-] key. The field can also be changed by 
typing in the number. 
PhoenixBIOS Setup Utility
F1 Help
ESC Exit
Select Item
Select Menu
-/Space
Enter
F9 Setup Defaults
F10 Save and Exit
Change Values
Select Sub-Menu
Main 
Item Specific Help
Select ATA/ATAPI drive
installed here.
[Auto]
The BIOS auto-types the
drive on boot time.
Except [Auto]
You enter parameters of
the drive.
[None]
The drive is disabled.
Primary Master [IC25N040ATMR04-0-(PM)]
Type: [Auto]
 LBA Format
Total Sectors:  78140160 
Maximum Capacity:  40008MB
Multi-Sector Transfers:  [16 Sectors]
LBA Mode Control:  [Enabled]
PIO Transfer Mode:  [Multiword DMA 2]
DMA Transfer Mode:  [Disabled]
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