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22 PCM-3420 User's Manual
Troubleshooting Tips
SCSI Device Troubleshooting
Review this checklist if your newly-installed SCSI disk drivers , CD-
ROM drivers, and other devices do not seem to work properly.
l Be sure that termination setting are set correctly for all devices on
the SCSI bus, as described in chapter 2.
l Be sure there are no hardware conflicts, such as devices in your
computer trying to use the same interrupts(IRQs) or DMA channels.
l Be sure the cables connecting SCSI devices and the PCM-3420 are
attached securely. Also be sure the pin-1 orientation is correct for
internal cables.
l Be sure that each SCSI device connected to the PCM-3420 host
adapter has a unique SCSI ID.
l Be sure CD-ROM drivers and other SCSI devices are attached to a
power source and turned ON.
Windows 95/Windows NT Troubleshooting
Q:What is a miniport driver, and how do I make sure that the miniport
driver for my host adapter is installed correctly ?
A:Miniport drivers are a new kind of 32-bit protect mode device driver
used by Windows 95 and Windows NT to control host adapters
and other kinds of devices. Windows 95 and Windows NT include a
set of miniport drivers for various types of SCSI host adapters. The
host adapter miniport driver is automatically installed and config-
ured during Windows 95 and Windows NT installation if your host
adapter is already installed.
To make sure the driver is installed correctly in systems running
Windows 95, open the control panel, double-click on system, and
click the Device Manager Tab. Then double-click the SCSI Control-
lers icon; you should see the model name of the SCSI host
adapter(s) installed in your system. (Not PCM-3420 , but AHA-152x)
Q:What if there is no SCSI controller icon under Device Manager, or