Adaptec AHA-3985 User's Guide Page 140

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A-2
AHA-3980/3980W/3985/3985W User’s Guide
AHA-3980/3980W/3985/3985W User’s Guide
Stock Number: 510810-00, Rev. D Page: A-2
Print Spec Number: 493479-00
Current Date: 3/1/99 ECN Date: 3/19/96
If your motherboard BIOS supports PCI-to-PCI bridges, you
may have an IRQ conflict. The PCI bus is designed to automat-
ically assign IRQ settings to the AHA-398x, but you may need
to assign some of these values manually in the CMOS setup
program. For details, see the
readme.txt
file on the AHA-3980/
3985 Drivers and RAID Utilities disk.
Are the SCSI cables properly connected? Is pin-1 orientation
maintained throughout the SCSI bus? (See
Connecting SCSI
Devices
on page 5-5.)
Are the power cables properly connected? Connect internal
SCSI devices to your computer’s power supply. Connect the
power cables of external SCSI devices to a grounded power
outlet. Follow the instructions in the computer and SCSI device
documentation.
Is the AHA-398x firmly seated and secured in a 5-volt PCI bus
slot that is capable of bus mastering?
Is each SCSI device, including the channel, set to a unique SCSI
ID? (See
Setting SCSI IDs and Preparing a Boot Device
on page
5-15.)
Is SCSI termination set correctly? (See
Terminating the SCSI Bus
on page 5-12.)
If your problem is still not resolved, continue with the next sections.
Startup Diagnostics
The AHA-398x includes the AIC-7870/Sequencer Diagnostics rou-
tine and the IRQ Diagnostics routine. Both routines run automati-
cally when the system boots.
The AIC-7870/Sequencer Diagnostics routine tests the sequencers
on the channels, the data flow, the memory, and the Exclusive OR
function (for RAID 5 operations). When finished, one of the follow-
ing messages appears:
AIC-7870/Sequencer Diagnostics passed: Indicates the tests
were successful.
AIC-7870/Sequencer Error Code: [
error code text
]: Indicates
that a test failed due to a defect in the adapter circuitry. You may
need a new AHA-398x host adapter; call Adaptec or your
reseller.
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