T4900CT
3-1
3.1
The Diagnostic Test
This chapter explains how to use the T4900CT’s Diagnostic Test Program (TEST4900) to
test the functions of the T4900CT’s hardware modules. The Diagnostics Test Program is
stored on the T4900CT Diagnostic Disk. The Diagnostic Test consists of 8 programs that are
grouped into the Service Program Module (DIAGNOSTIC MENU) and the Test Program
Module (DIAGNOSTIC TEST MENU).
The DIAGNOSTIC MENU consists of the following eight functions. These are all located
within the Diagnostic Test function of the DIAGNOSTIC MENU.
❑
DIAGNOSTIC TEST
❑
HARD DISK FORMAT
❑
HEAD CLEANING
❑
LOG UTILITIES
❑
RUNNING TEST
❑
FDD UTILITIES
❑
SYSTEM CONFIGURATION
❑
SETUP
The DIAGNOSTIC TEST MENU contains the following twelve functional tests:
❑
SYSTEM TEST
❑
MEMORY TEST
❑
KEYBOARD TEST
❑
DISPLAY TEST
❑
FLOPPY DISK TEST
❑
PRINTER TEST
❑
ASYNC TEST
❑
HARD DISK TEST
❑
REAL TIMER TEST
❑
NDP TEST
❑
EXPANSION TEST
❑
SOUND TEST
You will need the following equipment to perform some of the T4900CT’s Diagnostic test
programs.
❑
The T4900CT Diagnostics Disk (all tests)
❑
A formatted working disk for the floppy disk drive test (all tests)
❑
3.5-inch 2HD/2DD disk for the 3.5-inch FDD
❑
A cleaning kit to clean the floppy disk drive heads (Head Cleaning)
❑
A PCMCIA wraparound connector for the I/O card test (PCMCIA test)
❑
A printer wraparound connector for the printer wraparound test (Printer test)
❑
An RS-232-C wraparound connector for the RS-232-C port wraparound test
(ASYNC test)
The following sections detail the tests within the Diagnostic Test function of the DIAGNOS-
TIC TEST MENU. Refer to sections 3.18 through 3.24 for detailed information on the
remaining seven Service Program Module functions.
Summary of Contents for T-Series T4900CT
Page 20: ...T4900CT 2 3 Figure 2 1 Troubleshooting flowchart 1 2 ...
Page 176: ...B 2 T4900CT Figure B 2 Upper system board back ...
Page 178: ...B 4 T4900CT B 2 Lower System Board Figure B 3 Lower system board front ...
Page 179: ...T4900CT B 5 Figure B 4 Lower system board back ...
Page 199: ...T4900CT D 1 Appendix D USA Display Codes Table D 1 USA display codes ...