Adaptec 2920C - AHA - Storage Controller Manual de instrucciones descargar pdf (Pagina 8)

Additional Options: SCSI Device Configuration

SCSI device settings allow you to configure parameters

for each device on the SCSI bus. To configure a specific

device, you must identify the SCSI ID assigned to that

device. To determine the SCSI ID of a device, see Using

the SCSI Disk Utilities on page 6.

■

Initiate Sync Negotiation — This option determines

whether or not synchronous data transfer negotiation

between the host adapter and a device is initiated by

the host adapter.

The default setting is Yes (Enabled). Set Initiate Sync

Negotiation to No

for devices that do not support

Sync Negotiation.

■

Maximum Sync Transfer Rate — This option sets the

maximum synchronous data transfer rate that the

host adapter supports. The host adapter supports

transfer rates of up to 10.0 MBytes/sec. If Initiate

Sync Negotiation is set to No, then the maximum syn-

chronous transfer rate is the maximum rate that the

host adapter accepts from the device during

negotiation.

■

Enable Disconnection — This option lets a SCSI

device temporarily disconnect from the SCSI bus.

This allows the host adapter to perform other opera-

tions while the SCSI device is disconnected. The

default setting is Yes. Set Enable Disconnection to

Yes if two or more SCSI devices are connected to the

host adapter.

■

Send Start Unit Command — This option deter-

mines whether the Start Unit SCSI Command is sent

to the device at bootup (most devices do not require

this). The default setting is No.

■

BIOS Multiple LUN Support—This option deter-

mines whether booting from a SCSI device that has

multiple LUNs is supported. The default setting is No

(Disabled). Enable this option if your boot device has

multiple LUNs.

■

Include in BIOS SCAN—This option determines

whether or not the AHA-2920C will be included in

the BIOS device scan during power up. The default

setting is Yes.

■

Reset SCSIBus at IC Initialization

—This option

determines whether or not the SCSI bus will be reset

and placed into an idle state after power up. The

default value is enabled.

Additional Options: Boot Device Options

Boot device options allow you to specify the device from

which to boot your computer.

■

Boot SCSI ID

—This option specifies the SCSI ID of

the boot device and must correspond to the ID of the

boot device. The default setting is SCSI ID 0.

■

Boot LUN Number

—This option allows you to spec-

ify which LUN to boot from on your boot device if

the device has multiple LUNs (Logical Unit Num-

bers) and Multiple LUN Support is enabled. The

default setting is LUN 0.

Additional Options: Advanced Configuration Options

Do not change the advanced configuration options

unless absolutely necessary.

■

Plug and Play SCAM Support — This option allows

the host adapter to automatically assign SCSI IDs to

SCSI devices that support the SCAM protocol. The

default setting is Disabled. Most non-SCAM devices

tolerate the SCAM protocol, so you can enable this

option even if you have a non-SCAM device.

■

Host Adapter BIOS — This option enables or dis-

ables the host adapter BIOS. The default setting is

Enabled. Several SCSISelect options are not valid

unless the host adapter BIOS is enabled.

Make sure that the BIOS is enabled if you want to

boot from a SCSI disk drive connected to the host

adapter. Disable the BIOS if device drivers control the

devices on the SCSI bus and do not require BIOS

functionality.

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