Mitsubishi Electric apricot MS660 Owner's Handbook Manual page 71

T r o u b l e s h o o t i n g
Failure to boot
7/4 MS660 OWNER'S HANDBOOK
Number of beeps
1-3-3
1-3-4
1-4-1
1-4-2
1-4-4
2-2-2
2-2-3
2-2-4
2-3-1
2-3-3
2-4-3
2-4-4
On completion of POST, the computer attempts to boot from a
system diskette or bootable hard disk partition. The table below lists
some of the messages that might appear during the boot sequence.
Boot failure message
Non-system disk or disk error The diskette drive contains a non-system
Diskette read failure
No boot sector on fixed disk
Fixed disk read failure
Meaning
Slave DMA register test failure
Master DMA register test failure
Master interrupt mask register test failure
Slave interrupt mask register test failure
Keyboard controller test failure
Search for video ROM test failure
Screen believed inoperable
Timer tick interrupt test failure
Interval timer channel 2 test failure
Time-of -day clock test failure
CMOS memory size against actual compare
failure
Memory size mismatch occurred
Explanation
diskette. Replace it with a system diskette
and press F1.
The diskette is either not formatted or
defective. Replace it with a system diskette
and press F1.
The hard disk has no active, bootable
partition or is not formatted. Insert a system
diskette, press F1, and format the hard disk
as described in your operating system
manuals.
The hard disk may be defective. Press F1 to
retry. Make sure the drive is correctly
specified in the BIOS setup utility. If the