Toshiba 420CDT User Manual page 27

Check 2 If the following error message is displayed on the screen, press any key as the
message instructs.
WARNING:
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)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
(13)
(14)
(15)
(16)
(17)
(18)
(19)
(20)
(21)
(22)
(23)
(24)
(25)
(26)
(27)
2-8
RESUME FAILURE.
BIOS is damaged
PIT ERROR
MEMORY REFRESH ERROR
TIMER CH.2 OUT ERROR
FIRST 64KB MEMORY ERROR
CMOS CHECKSUM ERROR
CMOS BAD BATTERY ERROR
FIRST 64KB MEMORY ERROR
FIRST 64KB MEMORY PARITY ERROR
VRAM ERROR
SYSTEM MEMORY ERROR
SYSTEM MEMORY PARITY ERROR
EXTENDED MEMORY ERROR
EXTENDED MEMORY PARITY ERROR
DMA PAGE REGISTER ERROR
DMAC #1 ERROR
DMAC #2 ERROR
PIC #1 ERROR
PIC #2 ERROR
KBC ERROR
HDC ERROR
HDD #0 ERROR
HDD #1 ERROR
NO FDD ERROR
FDC ERROR
TIMER INTERRUPT ERROR
RTC UPDATE ERROR
420 Series