3-10Adaptec Ultra320 SCSI Cards User’s Guide SCSI Controller INT 13 Support—(Default: Enabled) Thisoption controls the state of the BIOS at POST time. Thefollowing settings are available: Enabled—Supports INT 13 for booting from a SCSI harddisk drive connected to the SCSI card. If you use this option,the following options are available: Extended INT 13 Translation for DOS Drives > 1 GB Support Removable Disks Under INT 13 as Fixed Disks BIOS Support for Bootable CD-ROM Disabled:NOT Scan—Select this option if all the devices onthe SCSI bus (for example, CD-ROM drives) are controlledby software drivers and do not need the BIOS, and you donot want the BIOS to scan the SCSI bus. SCSISelect remainsavailable if needed. Disabled:Scan Bus—Select this option if all the devices onthe SCSI bus (for example, CD-ROM drives) are controlledby software drivers and you need the BIOS to scan the SCSIbus. Allows devices to spin up according to the setting of theSend Start Unit Command. SCSISelect remains available ifneeded.The following options have no effect if the SCSI card BIOS isdisabled. (The SCSI card BIOS is normally enabled by default.) Domain Validation—(Default: Enabled) Determines the optimaltransfer rate for each device on the SCSI bus and sets transferrates accordingly. When enabled, this option is available if it isimplemented in the device drivers. However, this option is notsupported by the BIOS.
