The SCSI-2 Fast and Wide adapter issues the start unit command to each drive one at a time. The SCSI-2 Fast/Wide Streaming RAID adapter issues the start unit command to two drives at a time.

Note

In order to take advantage of this option, verify that the auto-start jumpers have been removed on hard drives. Otherwise, the drives will spin up twice: once at Power on Reset (POR) time and again when the adapter sends the start unit command.

Include in BIOS SCAN This option determines whether the host adapter BIOS supports devices attached to the SCSI bus without the need for device driver software. When set to Yes, the host adapter BIOS controls the SCSI device.

When set to No, the host adapter BIOS does not search the SCSI ID.

Notes:

1.Send Start Unit Command and Include in BIOS Scan have no effect if BIOS is disabled in the Advanced Configuration Options panel (see Figure 37).

2.Disabling the host adapter BIOS frees up 8-10 KB memory address space and can shorten boot-up time. But you should disable this option only if the peripherals on the SCSI bus are all controlled by device drivers and do not need the BIOS (for example, a CD-ROM).

After completing the device configuration, there are a few more parameters which need to be configured. To do this:

Press ESC to quit the SCSI Device Configuration menu.

Use the arrow keys to select the Advanced Configuration Options menu Press Enter.

A screen like the one in Figure 37 will appear.

￿

￿

￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿

Advanced Configuration Options

￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿

￿

 

 

 

 

 

 

 

￿

￿

 

 

 

 

 

 

 

￿

￿

Reset SCSI

bus at

IC initialization

 

Enabled

￿

￿

 

 

 

 

 

 

 

￿

￿

￿￿￿￿

Options

listed

below have NO EFFECT if the

BIOS

is disabled ￿￿￿￿

￿

￿

 

 

 

 

 

 

 

￿

￿

Host

adapter

BIOS

 

 

Enabled

￿

￿

Support Removable disks under BIOS as Fixed Disks

Boot only

￿

￿

Extended BIOS translation for DOS drives > 1 GByte

Enabled

￿

￿

BIOS

support

for more than 2 drives (MS DOS 5.0 +)

Enabled

￿

￿

 

 

 

 

 

 

 

￿

￿

 

 

 

 

 

 

 

￿

￿

 

 

 

 

 

 

 

￿

￿

 

 

 

 

 

 

 

￿

￿

 

 

 

 

 

 

 

￿

￿

 

 

 

 

 

 

 

￿

￿

 

 

 

 

 

 

 

￿

￿

 

 

 

 

 

 

 

￿

￿

 

 

 

 

 

 

 

￿

￿

 

 

 

 

 

 

 

￿

￿

 

 

 

 

 

 

 

￿

￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿

￿

￿

Figure 37. PC Server 320 SCSISelect Utility Program - Advanced Configuration

To modify the settings on this screen:

Use the arrow keys to select the parameter to modify.

Chapter 3. H a r d w a r e Configuration 81

Page 95
Image 95
IBM SG24-4576-00 manual Is disabled Host Adapter