Toshiba TECRA A9 Series Maintenance Manual

2 Troubleshooting Procedures 2.4 System Board Troubleshooting
2-18 [CONFIDENTIAL] TECRA A9(S5/P5/S200) Maintenance Manual (960-633)
Check 2 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 (17), (22) or (23) appears, go to
Procedure 4.
If the error message (18) appears, go to the Keyboard Troubleshooting Procedures
in Section 2.7.
If the error message (19), (20) or (21) appears, go to the HDD Troubleshooting
Procedures in Section 2.6.
If the error message (21) appears, go to the Optical Drive Troubleshooting
Procedures in Section 2.9.
(1) PIT ERROR
(2) MEMORY REFRESH ERROR
(3) TIMER CH.2 OUT ERROR
(4) CMOS CHECKSUM ERROR
(5) CMOS BAD BATTERY ERROR
(6) FIRST 64KB MEMORY ERROR
(7) FIRST 64KB MEMORY PARITY 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
(17) PIC #2 ERROR
(18) KBC ERROR
(19) HDC ERROR
(20) Built-in HDD ERROR
(21) Select Bay ERROR
(22) TIMER INTERRUPT ERROR
(23) RTC UPDATE ERROR

Toshiba TECRA A9 Series Specifications

General

Processor	Intel Core 2 Duo
Display	15.4-inch
Display Resolution	1280 x 800 pixels
RAM	Up to 4 GB
Operating System	Windows Vista
Optical Drive	DVD-RW
Wireless	802.11a/g/n
Ports	USB 2.0, VGA, Ethernet, Headphone