Floppy Disk Drive Unit Faults; Hdd Faults - Epson MR Series Technical Reference Manual

Floppy Disk Drive Unit Faults

Unable to Read from or Write to Floppy Disk
❏ Follow the procedures below.
1. Confirm whether using another floppy disk solves the problem.
2. Confirm that the setting of Drive A in Standard CMOS Features of BIOS is set to
1.44MB, 3.5 in. (Refer to Chapter 5.)
❏ Check whether the floppy drive is able to read or write. If the floppy disk drive is still unable
to read or write, the cause may be a faulty connection or a problem with an individual unit
or the connector itself. Follow the procedures below.
1. Confirm that the FDD connections are secure.
2. Confirm whether replacing the FDD cable or FFC cable solves the problem.
3. Confirm whether replacing the FDD circuit board solves the problem.
4. Confirm whether replacing the FDD solves the problem.
5. Confirm whether replacing the main circuit board solves the problem.

HDD Faults

Unable to Read Data from HDD
❏ Follow the procedures below.
1. Confirm the setting of the First/Second/Third Boot Device option in the Advanced BIOS
Features item in the BIOS setup utility. (Refer to Chapter 5.)
2. Confirm the setting of the IDE Primary/Secondaly Master/Slave option in the Standard
CMOS Features item in the BIOS setup utility. (Refer to Chapter 5.)
3. Check the connection of the HDD cable.
4. In case of the 2HDD model, confirm the setting of the jumper. Confirm one is set the Master,
and another is set the Slave. (Refer to Appendix-A)
5. When there is the other HDD which can do Boot, attempt exchanging.
6. Confirm whether replacing the main circuit board solves the problem.
Can Boot from Hard Disk Drive but Read/Write Errors Occur
❏ Follow the procedures below.
1. Check the connection of the HDD cable.
8-8 Troubleshooting Rev. I