Adaptec 3940UW User's Guide download pdf (Page 54)

3-16

AHA-3940U/3940UW/3940UWD User’s Guide

Stock Number: 511041-00, Rev. B Page: 3-16

Print Spec Number: 494569-00

Current Date: 2/14/97 ECN Date: 2/17/97

adapter has one BIOS, which operates on both SCSI channels. The

BIOS must be enabled if you want the computer to boot from a SCSI

hard disk drive connected to either channel of the host adapter. Sev-

eral SCSISelect options are only valid if the host adapter BIOS is

enabled, as noted in the table on page 3-2.

Note:

You can only change the Host Adapter BIOS setting

when you are configuring SCSI Channel A. When you are

configuring Channel B you can view the current BIOS set-

tings in SCSISelect, but you cannot change them.

Support Removable Disks Under BIOS as Fixed Disks

This setting controls which removable-media drives are supported

by the channel BIOS. The setting is valid only if the channel BIOS is

enabled. The default setting is Boot Only. The following choices are

available:

■

Boot Only: Only the removable-media drive designated as the

boot device is treated as a hard disk drive.

■

All Disks: All removable-media drives supported by the BIOS

are treated as hard disk drives.

■

Disabled: No removable-media drives are treated as hard disk

drives. In this situation, software drivers are needed because

the drives are not controlled by the BIOS.

Caution:

Support for removable-media drives means only

that the channel BIOS allows you to use a removable-media

drive as if it were a hard disk drive. It does not mean you

can remove the disk during operation. If a removable-media

SCSI device is controlled by the channel BIOS, do not remove

the medium while the drive is on or you may lose data! If

you want to remove media while the power is

, install the

removable-media device driver and set Support Removable

Disks Under BIOS as Fixed Disks to Disabled.

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Adaptec 3940UW User's Guide Page 54