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ULTRA2 LVD SCSI HOST ADAPTER
6. Troubleshooting
6.1 Installation-Time Problems
If you have difficulty installing your
Ultra2 LVD SCSI Host Adapter
, check these
things first:
1. Have you installed the Adapter in a PCI Rev. 2.0 compliant computer?
2. Are all SCSI devices powered?
3. Are all SCSI bus cables and power cables properly connected? Is Pin 1
oriented correctly?
4. Do the Adapter and all devices on the SCSI bus have unique IDs?
5. Are all devices on the SCSI bus terminated properly?
6. Is the drive type in your motherboard’s CMOS setup set to “Not installed”?
7. Does your system CMOS setup require you to enable PCI bus parameters? If
so, see your computer’s documentation. Check that IRQ-channel assignment
and BIOS settings have been made.
8. Did you install your Adapter in a PCI slot capable of busmastering? Refer to
your computer’s documentation or try another slot.
Here are some commonly asked questions and answers regarding problems that
can be encountered during the installation of an Adapter:
• Question: What is Ultra2 SCSI?
Answer: Ultra2 is a high-level SCSI specification. Because they use Low Voltage
Differential (LVD) technology, which is designed into the chipset and is less
susceptible to noise and uses less power than earlier SCSI implementations,
Ultra2 devices such as the Adapter are able to support Ultra2 Wide SCSI
peripherals with a SCSI burst-transfer speeds up to 80 Megabytes per second
and point-to-point (Adapter-to-single-device) cable lengths up to 25 meters
(82 ft.) or multipoint (Adapter-to-multiple-devices) cable lengths up to
12 meters (39.4 ft.).