HP Tc2120 HP Server Ultra 3 SCSI Host Bus Adapter Installation and Configurati - Page 23

Support Removable Disks Under BIOS as Fixed Disks, BIOS Support for Int 13 Extensions

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Chapter 2 Configuration with SCSISelect o Set to Disabled: Not scan if the devices on the SCSI bus (for example, CD-ROM drives) are controlled by software drivers and do not need the BIOS, and you do not want the BIOS to scan the SCSI bus. o Set to Disabled: Scan Bus if you do not need the BIOS, but you want it to scan the SCSI devices on the bus. The following four options have no effect when the SCSI host bus adapter BIOS is disabled. (The SCSI host bus adapter BIOS is normally enabled by default.) • Domain Validation-(Default: Enabled) Determines the kinds of SCSI devices connected and reduces data transfer speed when legacy SCSI devices are detected. Displays the resulting data transfer rate. • Support Removable Disks Under BIOS as Fixed Disks-(Default: Disabled) Determines which removable-media drives are supported by the SCSI host bus adapter BIOS. Choices are as follows: o Disabled- No removable-media drives are treated as hard disk drives. Software drivers are required because the drives are not controlled by the BIOS. CAUTION You may lose data if you remove a removable-media cartridge from a SCSI drive controlled by the SCSI host bus adapter BIOS while the drive is on. If you want to be able to remove the media while the drive is on, install the removable-media software driver and set Support Removable Disks Under BIOS as Fixed Disks to Disabled. o Boot Only-Only the removable-media drive designated as the boot device is treated as a hard disk drive. o All Disks-All removable-media drives supported by the BIOS are treated as hard disk drives. • BIOS Support for Bootable CD-ROMs-(Default: Enabled) When set to Enabled, the SCSI host bus adapter BIOS allows the computer to boot from a CD-ROM drive. • BIOS Support for Int 13 Extensions-(Default: Enabled) When set to Enabled, the SCSI host bus adapter BIOS supports Int 13h extensions as required by Plug-and-Play. The setting can be either enabled or disabled if your system is not Plug-and-Play. 17

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17
Chapter 2
Configuration with SCSISelect
o
Set to
Disabled: Not scan
if the devices on the SCSI bus (for
example, CD-ROM drives) are controlled by software drivers and do not
need the BIOS, and you do not want the BIOS to scan the SCSI bus.
o
Set to Disabled: Scan Bus if you do not need the BIOS, but you want it to
scan the SCSI devices on the bus.
The following four options have no effect when the SCSI host bus adapter BIOS is
disabled. (The SCSI host bus adapter BIOS is normally enabled by default.)
•
Domain Validation
—(Default: Enabled) Determines the kinds of SCSI devices
connected and reduces data transfer speed when legacy SCSI devices are
detected. Displays the resulting data transfer rate.
•
Support Removable Disks Under BIOS as Fixed Disks
—(Default: Disabled)
Determines which removable-media drives are supported by the SCSI host bus
adapter BIOS. Choices are as follows:
o
Disabled
— No removable-media drives are treated as hard disk drives.
Software drivers are required because the drives are not controlled by the
BIOS.
o
Boot Only
—Only the removable-media drive designated as the boot device
is treated as a hard disk drive.
o
All Disks
—All removable-media drives supported by the BIOS are treated
as hard disk drives.
•
BIOS Support for Bootable CD-ROMs
—(Default: Enabled) When set to
Enabled, the SCSI host bus adapter BIOS allows the computer to boot from a
CD-ROM drive.
•
BIOS Support for Int 13 Extensions
—(Default: Enabled) When set to
Enabled, the SCSI host bus adapter BIOS supports Int 13h extensions as
required by Plug-and-Play. The setting can be either enabled or disabled if your
system is not Plug-and-Play.
CAUTION
You may lose data
if you remove a removable-media cartridge
from a SCSI drive controlled by the SCSI host bus adapter
BIOS while the drive is on. If you want to be able to remove
the media while the drive is on, install the removable-media
software driver and set Support Removable Disks Under
BIOS as Fixed Disks to Disabled.