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Appendix C Trouble Shooting
PC-550 USER
′
S MANUAL
Page: C-4
MEMORY VERIFYING ERROR :
It indicates an error verifying a value already written to memory. Use the
location along with your system's memory map to locate the bad chip.
OFFENDING ADDRESS MISSING :
This message is used in connection with the I/O CHANNEL CHECK and
RAM PARITY ERROR messages when the segment that has caused the
problem cannot be isolated.
REBOOT ERROR :
When this error occurs that requires you to reboot.. Press any key and the
system will reboot.
SYSTEM HALTED :
Indicates the present boot attempt has been aborted and the system must be
rebooted. Press and hold down the CTRL and ALT keys and press DEL.
C-2 TROUBLE SHOOTING FOR POST CODES
When you power on your PC, and the screen display nothing. You have to
insert the POST Card for test. The address for ISA POST port is 80h. Make
sure the card is in correct slot. The lists below indicate you the error messages.
Please follow the instruction to adjust your system. If the error still occurred,
please contact with your distributor for maintenance.
C0 :
Turn off OEM specific cache, shadow.....
03 :
Initialize all the standard devices with default values Standard devices
includes :
DMA controller (8237).
Programmable Interrupt Controller (8259).
Programmable Interval Timer (8254).
RTC chip.
05 :
1.Keyboard Controller Self-Test.
2.Enable Keyboard Interface.
07 :
Verfies CMOS‘s basic R/W functionality.