60
LifeBook A Series – Section Five
NO BOOTABLE FLOPPY DRIVE 0 INSTALLED
No bootable floppy drive was detected. Possible solutions:
1) Power down the system and check all appropriate con-
nections, cables, etc. 2) In configurations where no floppy
drive is installed, run the System Configuration Utility and
make sure the diskette drive configuration item is set to
“None”. 3) Replace the diskette drive if necessary.
NO INTERRUPTS FROM TIMER 0 The periodic timer interrupt is not occurring.
RAM PARITY ERROR AT LOCATION xxxx
A ARM parity error occurred at the specified (hexadecimal)
location.
ROM AT xxxx (LENGTH yyyy) WITH NON-ZERO CHECK-
SUM (zz)
An illegal adapter ROM was located at the specified
address. An external adapter (such as a video card) may be
causing a conflict.
TIME/DATE CORRUPT - RUN SCU
The time and date stored in the real time clock have been
corrupted, possibly by a power loss.
UNEXPECTED AMOUNT OF MEMORY - RUN SCU
The amount of memory detected by POST does not match
the amount specified in CMOS RAM.
Warning Messages
Message Description
Fatal Messages
Message Description Beep Code
CMOS RAM TEST FAILED
A walking bit test of CMOS RAM locations
0E (Hex) - 3F (Hex) failed.
3
DMA CONTROLLER FAULTY
A sequential read/write of the transfer count and
transfer address registers within the primary and
secondary DNMA controllers failed.
4
FAULTY DMA PAGE REGISTERS
A walking bit read/write of the 16 DMA controller
page registers starting at location 80 Hex failed.
0
FAULTY REFRESH CIRCUIT
A continuous read/write test of port 61h found that
bit 4 (Refresh Detect) failed to toggle within an
allotted amount of time.
1
INTERRUPT CONTROLLER FAILED
A sequential read/write of various Interrupt Control-
ler registers failed.
5
ROM CHECKSUM INCORRECT
A checksum of the ROM BIOS does not match the
byte value at F000:FFFF.
2
B5FH-5121-01EN-00.book Page 60 Wednesday, April 10, 2002 11:02 AM
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