Toshiba Libretto 50CT/70CT Manual

Chapter 3Tests and Diagnostics 

3-iiLibretto 50CT/70CT Maintenance Manual 

Libretto 50CT/70CT Maintenance Manual3-iiiTable of Contents3.1  The Diagnostic Test.....................................................................................................3-1
3.2  Executing the Diagnostic Test.....................................................................................3-3
3.3  Subtest Names.............................................................................................................3-7
3.4  System...

3-ivLibretto 50CT/70CT Maintenance Manual3.22.2  Operations...........................................................................................3-45 

Libretto 50CT/70CT Maintenance Manual3-v3.23  System Configuration..............................................................................................3-49
3.23.1  Function Description...........................................................................3-49
3.23.2  Operations...........................................................................................3-49
3.24...

3  Tests and Diagnostics3.1  The Diagnostic TestLibretto 50CT/70CT Maintenance Manual3-13 
3.1 The Diagnostic Test
This chapter explains how to use the Diagnostic Test Program to test the functions of the
computer hardware modules. The Diagnostics Program is stored on the diagnostics disk.
NOTES:  To start the diagnostics, follow these steps:1. Check all cables for loose connections.2. Exit any application you may be using and close Windows.The DIAGNOSTICS MENU consists of the following functions:
q...

3.1  The Diagnostic Test3  Tests and Diagnostics3-2Libretto 50CT/70CT Maintenance ManualYou will need the following equipment to perform some of the Diagnostic test programs.q Diagnostics Disk (all tests)
q Formatted working disk for the floppy disk drive test
q External FDD
q Cleaning kit to clean the floppy disk drive heads (Head Cleaning)
q PC card wraparound connector  (PCMCIA test)
q Serial port wraparound connector (RS-232C test)
q Parallel port wraparound connector (Printer test)
q I/O Adapter
q...

3  Tests and Diagnostics3.2  Executing the Diagnostic TestLibretto 50CT/70CT Maintenance Manual3-33.2 Executing the Diagnostic TestToshiba MS-DOS is required to run the Diagnostics Program.  To start the Diagnostics
Program follow these steps:1. Connect a wraparound connector to the I/O adapter printer port and RS-232C port.
Connect the I/O adapter to the computer. Next, connect the FDD and insert the
diskette containing the test program.
2. Turn the computer on to execute the test program and the test...

3.2  Executing the Diagnostic Test3  Tests and Diagnostics3-4Libretto 50CT/70CT Maintenance Manual3. To execute the Diagnostic Test Menu from the Diagnostics Menu, set the highlight bar
to 1, and press Enter.  The following Diagnostic Test Menu displays:
TOSHIBA personal computer xxx DIAGNOSTICS
version X.XX (c) copyright TOSHIBA Corp. 19XX
DIAGNOSTIC TEST MENU :
 1 - SYSTEM TEST
 2 - MEMORY TEST
 3 - KEYBOARD TEST
 4 - DISPLAY TEST
 5 - FLOPPY DISK TEST
 6 - PRINTER TEST
 7 - ASYNC TEST
 8 - HARD DISK...

3  Tests and Diagnostics3.2  Executing the Diagnostic TestLibretto 50CT/70CT Maintenance Manual3-54. Select the option you want to execute and press Enter. The following message
displays:
SYSTEM TEST    XXXXXXXxxx DIAGNOSTIC TEST VX.XX
[Ctrl]+[Break] ; test end
[Ctrl]+[C];key stopSUB-TEST : XX
PASS COUNT: XXXXXERROR COUNT: XXXXX
WRITE DATA: XX  READ DATA : XX
ADDRESS : XXXXXXSTATUS  : XXX
SUB-TEST MENU :
01 - ROM checksum
02 -
03 -
04 - Fan ON/OFF
05 -
06 -
07 - DMI read
08 - DMI write
99 - Exit to...