Supermicro SUPERSERVER 6013A-T, User Manual

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Chapter 7: AMIBIOS
7-13
Primary, Secondary, Third and Fourth Master and Slave Settings
From the Main Setup screen, press <Enter> to access the sub menu for the
primary and secondary IDE master and slave drives. Use this screen to
select options for the Primary and Secondary IDE drives. Use the <up> and
<down> arrow keys to select an item. Use the <Plus> and <Minus> keys to
change the value of the selected option. The settings are described on the
following pages.
Type
Select the type of device connected to the system. The options are "Not
Installed", " Auto ", "CDROM" and "ARMD".
LBA/Large Mode
LBA (Logical Block Addressing) is a method of addressing data on a disk
drive. In LBA mode, the maximum drive capacity is 137 GB. For drive ca-
pacities of over 137 GB, your system must be equipped with 48-bit LBA
mode addressing. If not, contact your manufacturer or install an ATA/133
IDE controller card that supports 48-bit LBA mode. The options are "Dis-
abled" and " Auto ".
Block (Multi-Sector Transfer)
Block mode boosts IDE drive performance by increasing the amount of data
transferred. Only 512 bytes of data can be transferred per interrupt if block
mode is not used. Block mode allows transfers of up to 64 KB per interrupt.
Select "Disabled" to allow the data to be transferred from and to the device
one sector at a time. Select "Auto" to allows the data transfer from and to
the device occur multiple sectors at a time if the device supports it. The
options are " Auto " and "Disabled".
PIO Mode
IDE PIO (Programmable I/O) mode programs timing cycles between the IDE
drive and the programmable IDE controller. As the PIO mode increases, the
cycle time decreases. The options are " Auto ", "0", "1", "2", "3", and "4".
Select Auto to allow the BIOS to auto detect the PIO mode. Use this value if
the IDE disk drive support cannot be determined. Select 0 to allow the BIOS
to use PIO mode 0, which has a data transfer rate of 3.3 MBs. Select 1 to
Configure S-ATA as RAID
Select "Yes" if you wish to configure S-ATA as RAID. The options are
"Yes" and " No ".