Adaptec 2930U2 User Reference - Page 20
Using SCSI and IDE or EIDE Peripherals, Replacing a Non-Adaptec SCSI Card with an, Adaptec SCSI Card
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SCSI Card 2930U2 User's Reference Using SCSI and IDE (or EIDE) Peripherals s All Adaptec SCSI cards can coexist with another controller (IDE, EIDE, RLL, etc.) installed in the computer. s If you have both an IDE hard disk drive and a SCSI hard disk drive, the IDE drive is typically the boot drive. In this case, disable the BIOS on the SCSI card (see Advanced Configuration Options on page 20). If your computer supports BBS (BIOS Boot Specification), both SCSI and non-SCSI disk drives can coexist and you can specify which drive to boot from. Refer to your computer documentation for more information. s You cannot connect an IDE peripheral to a SCSI card, or a SCSI peripheral to an IDE card (controller). s Disable the BIOS on the SCSI card if no SCSI hard disk drives are installed (see Advanced Configuration Options on page 20). Replacing a Non-Adaptec SCSI Card with an Adaptec SCSI Card s SCSI is standard, but how data is translated onto a hard disk drive is not. Each SCSI card manufacturer uses its own translation schemes for writing data to a disk. To use a hard disk drive previously connected to a non-Adaptec SCSI card, low-level format the drive after connecting to the Adaptec SCSI card. (See Using SCSI Disk Utilities on page 22.) Caution: A low-level format destroys all data on the drive. Be sure to back up your data before performing a low-level format. 14