Adaptec 3940AUW Installation Guide - Page 12

PCI-to-PCI Bridges (PPB)? If not, contact your computer manufacturer for a BIOS upgrade. s Are all SCSI devices powered? s Are all SCSI bus cables and power cables properly connected? s Does the host adapter and each device on each SCSI bus channel have a unique SCSI ID? s Are all devices on the SCSI bus terminated properly? s Does your system CMOS Setup require you to enable PCI bus parameters? If so, see your computer documentation. Confirm the IRQ channel assignment. s Is the host adapter installed in a PCI slot that supports bus mastering? Refer to your computer documentation or move the host adapter to a different PCI slot. Computer Will Not Boot from a SCSI Disk Drive If both SCSI and non-SCSI disk drives are installed in your computer, the non-SCSI drive is always the boot device. If the computer has only SCSI disk drives, check the following: 1 Make sure your computer's CMOS Setup is set to No Drives Installed. 2 Make sure the boot partition of the boot hard disk is active. (The SCSI ID is usually set with jumpers or switches on the drive.) 3 Partition the disk. Follow the instructions in the documentation for the operating system you are using. If this does not solve the problem, see the troubleshooting information in the User's Guide. As a last resort, back up all data on the SCSI hard disk and perform a low-level format with the SCSISelect Format Disk option. 11 AHA-3940AU/AUW Installation Guide Part Number: 511418-00, Rev. A Print Spec Number: 496346-00 Current Date: 3/12/97 ECN Date:3/10/97