Seagate ST32112A, ST38421A, ST36421A, ST34311A manual Medalist 8421, 6421, 4311 and 2112, Rev. a

24 Medalist 8421, 6421, 4311 and 2112, Rev. A

discs reach operating speed. If the drive motor does not start up, recheck all drive cables.

•Verify that for each drive, a drive-type value is listed in the sys- tem setup program.

•Try rebooting your computer by pressing the CTRL, ALT and DELETE keys simultaneously. If the drive is recognized after you reboot the system, the computer BIOS test may be completing before the drive is ready.

One solution is to slow the processor speed during startup. If your computer has a turbo switch, set it to slow speed before turning the computer on. If there is no turbo switch, you may be able to use keyboard commands; see your computer man- ual for details. After the computer is up and running, return the processor to the fast speed.

Another solution is to warm-boot your computer after every power-on.

•Check for I/O address conflicts. To isolate the conflict, verify that the drive and host adapter are compatible with your com- puter. Turn off the computer and remove all the peripheral adapter cards except for the video card and host adapter. If the computer recognizes the drive when you reboot the com- puter, turn off the computer. Reinstall the other peripheral cards, one at a time, until the conflict reoccurs. After you have isolated the source of the address conflict, you can resolve the conflict by changing the I/O address of the peripheral that appears to cause the conflict.

•If Disk Manager has installed the DDO on your hard drive and you have booted directly from a diskette, the information in the boot record for the drive may not have been loaded. Make sure