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Quick_Start_Guide_IS.book Page 38 Thursday, May 15, 2003 4:53 PM
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Integrated Striping Quick Start Guide
Topic Solution
A disk drive is • Older SCSI devices that incorrectly indicate to
recognized as seven Windows NT 4.0, Windows 2000, or Windows XP
different devices when that they support multiple LUNs usually cause this
only one is physically error. Contact the device manufacturer for a
connected to the SCSI firmware upgrade.
bus.
Problems with certain • Some SCSI devices do not function properly when
SCSI devices when the adapter attempts to negotiate Ultra320 SCSI
using an Ultra320 transfer rates.
SCSI adapter.
• If a device is not operating properly, check the
transfer speed setting using the Fusion-MPT SCSI
BIOS Configuration Utility. Press Ctrl-A when the
SCSI BIOS banner appears during the system boot
process to access this configuration utility.
• Devices that do not support Ultra320 SCSI should
be set to a maximum of 10 mega bytes per second
for 8-bits and 20 mega bytes per second for 16-bits.
Problems with • If the system is configured with a LSI21320
Ultra320 SCSI devices Ultra320 SCSI host adapter and an Ultra320 SCSI
using Ultra320 SCSI device is on the SCSI bus, intermittent problems
protocol. and possible system crashes can occur if the SCSI
bus cable and terminators do not conform to the
Ultra320 SCSI specification.
• To disable Ultra320 SCSI support for all devices,
use the Fusion-MPT SCSI BIOS Configuration
Utility. Press Ctrl-A when the SCSI BIOS banner
appears during the system boot process to access
this configuration utility.
• If the system operates properly without Ultra320
SCSI enabled, it is highly likely that the SCSI bus
cable and terminators are not configured correctly
for Ultra320 SCSI. For more detailed information,
refer to sections "Cabling SCSI Devices" and
"Terminating the SCSI Bus" in Chapter 2 of the
LSI21320 User's Guide.