Adaptec 2920C - AHA - Storage Controller Manual de instrucciones descargar pdf (Pagina 11)

Common Problems and Solutions

■

Boot From SCSI Disk Fails

—If you are booting from

a SCSI hard disk drive, make sure the

Drives

setting

in your computer’s Setup program that corresponds

to the drive is set to

None

No Drives Installed

, as

required for SCSI hard disk drives.

■

Changed Values Not Loaded

—If you changed any

values on the host adapter in a Setup program or on a

SCSI device, did you turn the power off and on to

ensure that the new values are loaded?

■

Computer Will Not Boot from a SCSI Disk Drive—

If you have a combination of SCSI and non-SCSI disk

drives, then the non-SCSI disk drive is always the

boot device. If the system has only SCSI disk drives,

do the following:

Make sure the drive type in your computer’s

CMOS setup is set to No Drives Installed.

Make sure the boot hard disk SCSI ID corre-

sponds to the Boot SCSI ID setting under

SCSISelect settings (see page 8). The SCSI ID is

normally set with jumpers or switches on the

drive.

If this does not solve the problem, back up all data

on the SCSI hard disk and perform a low-level

format with the SCSISelect Format Disk option.

See the MS-DOS documentation for instructions

on partitioning the disk after formatting.

■

Format/Verify Disk Device Utility Startup Fails

—If

you tried to use the Format/Verify utility on a disk

device and got an Unexpected SCSI Command Fail-

ure pop-up box with error information, the utility

probably encountered a problem with the disk device

or the media and therefore cannot run.

You can probably determine from the Sense Key

information (e.g., 06h - Unit Attention) both the cause

of the problem and its solution. Listed below are

some of the more common Sense Key values and

their meanings:

02h - Not ready—The media is not ready to for-

mat. Be sure that media is inserted in the drive

and that the media is spun up.

03h - Medium error—The disk media may be

defective. If it is a removable-media drive, try

using a different disk media. If it is a hard disk

drive, the disk may be physically damaged.

04h - Hardware error—The disk drive may be

defective. Consult the hardware documentation

and contact the manufacturer.

06h - Unit attention—The removable media may

be write-protected. Disable write protection and

run the utility again.

■

BIOS Initialization Fails—If the host adapter BIOS is

enabled but fails to initialize, the system may display

one of the following error messages followed by a

BIOS Installation Failure message.

– Device connected, but not ready. The host adapter

received no answer when it requested data from

an installed SCSI device. Run the SCSISelect util-

ity and enable the Send Start Unit Command for

the device.

If the message still appears, follow the drive man-

ufacturer’s instructions to make sure the drive is

set to spin up when the power is switched

– Start unit request failed. The BIOS was unable to

send a Start Unit Command to the device.

Run the SCSISelect utility and disable the Send

Start Unit Command for the device.

– Time-out failure during… An unexpected time-out

occurred. Check the SCSI bus termination. Then

disconnect the SCSI peripheral cables from the

host adapter and start the computer. If the com-

puter successfully restarts, check the SCSI bus ter-

mination and cable connections. One of the

devices on the SCSI bus may be defective. Recon-

nect one device at a time to isolate the problem.

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