Toshiba TECRA A9 Series Maintenance Manual

2.4 System Board Troubleshooting 2 Troubleshooting Procedures
Procedure 2 Serial Port Check (Boot Mode)
Check the D port status by a serial port test. The tool for serial port test is shown below.
Figure 2-2 A set of tool for serial port test
The test procedures are follows:
1. Connect the RS-232C cross-cable to the connector CN34200 of the system board..
2. Connect the RS-232C Cross-cable to the PC that displays the test results.
4. Boot the compute1r in DOS mode.
5. Execute GETDPORT.COM in the text menu in CPU REAL mode. (Insert the FD for
starting D port into FDD and input “FD starting drive:>dport”.)
The D port status is displayed in the following form;
6. When the D port status is FFFF (normal status), go to Procedure 4. When the D port
status falls into any other status than FFFF, go to Procedure 3.
TECRA A9(S5/P5/S200) Maintenance Manual (960-633)[CONFIDENTIAL] 2-19

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