C. General Troubleshooting Tips
DC-395 Series User’s Manual
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5. A connected device is not recognized by the DC-395:
• If the device is a hard drive, particularly an older one, there may not be a sufficient delay
time specified in the DC-395 PCU. You can tell if this is the case by simply warm
booting the computer after the drive has had plenty of time to spin up. If the controller
sees the drive then, go into the DC-395 BIOS and increase the setting: Delay Before
BIOS Scans Device.
• Make sure the option “Included in BIOS Scan” is set to “Yes” for that device ID.
• If the device is not a hard drive or the above solution does not work, first check to see if
any device is recognized. Try devices one at a time to make sure the cable or card is not
bad. If there is one device that will not be seen, check the SCSI ID and terminators. The
SCSI ID should not be on 7. If a SCSI device is not seen by the card, keep in mind that it
is very unlikely a fault with the card itself. The card should identify any properly
connected SCSI device.
6. Possible incompatibility problems when enabling the More Than 2 Drives
Support option in the PCU:
• Due to the condition of occupying the 1KB (639KB-640KB) of memory space, some
software, such as anti-virus programs may issue false alarms.
7. System Hangs very soon after the PCU setup:
• For some specific drives, such as the NEC 384, Seagate ST3283N, & Alps DR312D, set
the Max Sync Xfer Rate option to 5MB/sec instead of 10MB/sec (default).
8. The Message: "No BIOS Disk Found! SCSI BIOS Not Installed!" is displayed by the
DC-395 BIOS:
• This message is normal when only a CD-ROM device is installed. Since this type of
device uses device drivers, the DC-395's BIOS is not installed.
9. "No Valid SCSI Device Found!" is displayed during boot-up:
• If this message is generated by the driver TRMDISK.SYS, you probably do not need it
in CONFIG.SYS. Remember, this driver is only for Removable Devices (and HDs if
More Than 2 Drives Support is Disabled).
10. SCSI device is not presented in the DC-395’s BIOS message during bootup:
• Check that the Included In BIOS Scan option in “Set Device Options” is set to Yes or
not. Setting this option to Yes will enable the DC-395’s BIOS to re-scan this device
during the next bootup.
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