7
■
Format Disk—This utility allows you to perform a
low-level format on a hard disk drive. Most SCSI disk
devices are preformatted at the factory and do not
need to be formatted again.
The Adaptec Format Disk utility is compatible with
the vast majority of SCSI disk drives.
Caution:
A low-level format destroys all data on
the drive. Be sure to back up your data before
performing this operation. You cannot abort a
low-level format once it is started.
■
Verify Disk Media—This utility allows you to scan
the media of a hard disk drive for defects. If the util-
ity finds bad blocks on the media, it prompts you to
reassign them. If you select yes, those blocks are no
longer used. You can press
Esc
at any time to abort
the utility
■
Default Settings—The AHA-2920C has default set-
tings appropriate for most PCI systems (see the table
below). Run SCSISelect only to change these settings.
Definitions of SCSISelect Settings
This section defines the default settings for the host
adapter.
Settings for Host Adapter and All SCSI Devices
The following settings are most likely to require
modification.
■
Host Adapter SCSI ID
— This option sets the SCSI ID
of the host adapter.
To give the host adapter the highest priority on the
SCSI bus, we recommend that you leave the host
adapter at its default setting of SCSI ID 7.
■
SCSI Parity Checking—This option determines
whether the host adapter verifies the accuracy of data
transferred on the SCSI bus. The default setting is
Enabled.
If any SCSI device connected to the host adapter does
not support SCSI parity, disable SCSI Parity Checking
on the host adapter and all SCSI devices. To deter-
mine if a device supports SCSI parity, read the device
documentation.
■
Host Adapter SCSI Termination—This option sets
termination on the host adapter. You can set it to
Automatic, Enabled, or Disabled. We recommend that
you leave this option set to its default setting of Auto-
matic. When set to Automatic, the host adapter does
the following:
– If the host adapter detects that cables are con-
nected to either its internal or external SCSI con-
nector, it enables its terminators (the host adapter
is at the end of the SCSI bus).
– If the host adapter detects that a cable is con-
nected to both its internal and external SCSI con-
nectors, it disables its terminators (the host
adapter lies between the ends of the SCSI bus).
SCSI Bus Interface Definitions Default Value
Host Adapter SCSI ID 7
SCSI Parity Checking Enabled
Host Adapter SCSI Termination Automatic
Additional Options: SCSI Device Configuration Default Value
Initiate Sync Negotiation Yes
Maximum Sync Transfer Rate 10 MBytes/sec
Enable Disconnection Yes
Send Start Unit Command No
BIOS Multiple LUN Support No
Include in BIOS SCAN Yes
Additional Options: Boot Device Options Default Value
Boot SCSI ID 0
Boot LUN Number 0
Additional Options: Advanced Configuration Options Default Value
Plug and Play SCAM Support Disabled
Reset SCSIBus at IC Initialization Enabled
Host Adapter BIOS Enabled
Support Removable Disks under BIOS as Fixed Disks Boot Only
Extended BIOS Translation for DOS Drives > 1 GByte Enabled
Dis
pla
y
<Ctrl><A
> Messa
ge During BI
OS Initializa
tion
Ena
b
le
d
BIOS Support for Bootable CD-ROM Enabled
BIOS Support for Int 13 Extensions Enabled
(14 Seiten)
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