Toshiba 50CT User Guide - Page 44

Troubleshooting Procedures, System Board Troubleshooting, EXTENDED MEMORY PARITY ERROR

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2 Troubleshooting Procedures 2.4 System Board Troubleshooting Check 2 If the following error message displays on the screen, press any key. WARNING: CAN'T RESTORE HIBERNATED STATE. PRESS ANY KEY TO CONTINUE. This error message displays when the HDD has a bad sector in the area where the Hibernation data was stored or when the system board is faulty. Go to Procedure 4. NOTE: If necessary, you can bypass Hibernation by pressing the backspace key while you power on the computer. The computer will start up in boot mode. If any other message displays, go to Check 3. Check 3 The IRT checks the system board. When the IRT detects an error, the system stops or an error message displays. If one of the following error messages (1) through (17), (24) or (25) displays, replace the system board. If error message (18) displays, go to the Keyboard Troubleshooting Procedures in Section 2.7. If error message (19), (20) or (21) displays, go to the HDD Troubleshooting Procedures in Section 2.6. If error message (22) or (23) displays, go to the FDD Troubleshooting Procedures in Section 2.5. (1) PIT ERROR (2) TIMER CH.2 OUT ERROR (3) MEMORY REFRESH ERROR (4) FIRST 64KB MEMORY ERROR (5) CRT ERROR (6) CRTC ERROR (7) KBC ERROR (8) VRAM ERROR (9) SYSTEM MEMORY ERROR (10) SYSTEM MEMORY PARITY ERROR (11) EXTENDED MEMORY ERROR (12) EXTENDED MEMORY PARITY ERROR (13) DMA PAGE REGISTER ERROR (14) DMAC #1 ERROR (15) DMAC #2 ERROR (16) PIC #1 ERROR Libretto 50CT/70CT Maintenance Manual 2-11

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2
Troubleshooting Procedures
2.4
System Board Troubleshooting
Libretto 50CT/70CT Maintenance Manual
2-11
Check 2
If the following error message displays on the screen, press any key.
WARNING:
CAN’T RESTORE HIBERNATED STATE.
PRESS ANY KEY TO CONTINUE.
This error message displays when the HDD has a bad sector in the area where the
Hibernation data was stored or when the system board is faulty.
Go to Procedure
4.
NOTE:
If necessary, you can bypass Hibernation by pressing the
backspace key while you power on the computer. The computer will start
up in boot mode.
If any other message displays, go to Check 3.
Check 3
The IRT checks the system board.
When the IRT detects an error, the system
stops or an error message displays.
If one of the following error messages (1) through (17), (24) or (25) displays,
replace the system board.
If error message (18) displays, go to the Keyboard Troubleshooting Procedures in
Section 2.7.
If error message (19), (20) or (21) displays, go to the HDD Troubleshooting
Procedures in Section 2.6.
If error message (22) or (23) displays, go to the FDD Troubleshooting Procedures
in Section 2.5.
(1)
PIT ERROR
(2)
TIMER CH.2 OUT ERROR
(3)
MEMORY REFRESH ERROR
(4)
FIRST 64KB MEMORY ERROR
(5)
CRT ERROR
(6)
CRTC ERROR
(7)
KBC ERROR
(8)
VRAM ERROR
(9)
SYSTEM MEMORY ERROR
(10)
SYSTEM MEMORY PARITY ERROR
(11)
EXTENDED MEMORY ERROR
(12)
EXTENDED MEMORY PARITY ERROR
(13)
DMA PAGE REGISTER ERROR
(14)
DMAC #1 ERROR
(15)
DMAC #2 ERROR
(16)
PIC #1 ERROR