Troubleshooting; Host Adapter Installation - Dell LSI21320-IS Guia De Inicio Rapido

Quick_Start_Guide_IS.book Page 34 Thursday, May 15, 2003 4:53 PM
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Integrated Striping Quick Start Guide

Troubleshooting

Host Adapter Installation

If you receive an error message from a software program stating it cannot
find a SCSI device, check your SCSI ID settings, SCSI cabling, and SCSI
bus termination.
Problem Suggested Solution
SCSI IDs • Check the SCSI ID settings for each SCSI device.
• Check that the SCSI ID for the LSI21320 host
• Check for duplicate SCSI IDs on each SCSI bus.
SCSI Cabling • Use shielded twisted-pair cabling rated for Ultra320
• Do not exceed the specified cable requirements for
• Check the internal and external SCSI devices to
• Check that you have installed the LSI21320 host
• Check for physical damage to cables or connector
• Make sure there are no "Y" cabling configurations.
SCSI Bus Termination • Check that termination is properly set for all
• Ensure termination occurs at each end of the SCSI
• Check that termination is enabled or disabled
Use the Fusion-MPT SCSI BIOS Configuration
Utility to verify SCSI IDs. When you start-up your
computer, press Ctrl-A to launch this utility.
adapter is 7 for each channel.
SCSI for external devices.
Ultra320 SCSI. For point-to-point operations, use a
25 meter, shielded, twisted pair cable. For multiple
device connections, use a 12 meter, shielded,
twisted pair cable.
verify the proper cabling is used.
adapter in its PCI-X slot securely.
pins.
devices on the SCSI bus. Ensure that there is not
any duplicate termination on each SCSI channel.
LSI Logic host adapters have autotermination
capability for each SCSI channel.
bus for low voltage differential and single-ended
configurations.
correctly if shunts are installed on the LSI21320
host adapter.