2-8
420 Series
Check 2
If the following error message is displayed on the screen, press any key as the
message instructs.
WARNING: RESUME FAILURE.
PRESS ANY KEY TO CONTINUE.
This error message appears when data stored in RAM under the resume function is
lost because the battery has become discharged or the system board is damaged.
Go to Procedure 3.
If any other message appears, perform Check 3.
Check 3
The IRT checks the system board. When the IRT detects an error, the system
stops or an error message appears.
If one of the following error messages (1) through (19), (26) or (27) is displayed,
replace the system board.
If error message (20) is displayed, go to the Keyboard Troubleshooting Proce-
dures in Section 2.7.
If error message (21), (22) or (23) is displayed, go to the HDD Troubleshooting
Procedures in Section 2.6.
If error message (24) or (25) is displayed, go to the FDD Troubleshooting Proce-
dures in Section 2.5.
(1)
BIOS is damaged
(2)
PIT ERROR
(3)
MEMORY REFRESH ERROR
(4)
TIMER CH.2 OUT ERROR
(5)
FIRST 64KB MEMORY ERROR
(6)
CMOS CHECKSUM ERROR
(7)
CMOS BAD BATTERY ERROR
(8)
FIRST 64KB MEMORY ERROR
(9)
FIRST 64KB MEMORY PARITY ERROR
(10)
VRAM ERROR
(11)
SYSTEM MEMORY ERROR
(12)
SYSTEM MEMORY PARITY ERROR
(13)
EXTENDED MEMORY ERROR
(14)
EXTENDED MEMORY PARITY ERROR
(15)
DMA PAGE REGISTER ERROR
(16)
DMAC #1 ERROR
(17)
DMAC #2 ERROR
(18)
PIC #1 ERROR
(19)
PIC #2 ERROR
(20)
KBC ERROR
(21)
HDC ERROR
(22)
HDD #0 ERROR
(23)
HDD #1 ERROR
(24)
NO FDD ERROR
(25)
FDC ERROR
(26)
TIMER INTERRUPT ERROR
(27)
RTC UPDATE ERROR
