3.1 The Diagnostic Test
This chapter explains how to use the T1900/T1900C’s Diagnostic Test program (TESTCE19)
to test the functions of the T1900/T1900C’s hardware modules. The Diagnostics Program is
stored on the T1900/T1900C Diagnostic Disk and consists of 18 programs that are grouped
into the Service Program Module (DIAGNOSTIC MENU) and the Test Program Module
(DIAGNOSTIC TEST).
The DIAGNOSTIC MENU consists of the following eight functions.
❑ DIAGNOSTIC TEST
❑ HARD DISK FORMAT
❑ HEAD CLEANING
❑ LOG UTILITIES
❑ RUNNING TEST
❑ FDD UTILITIES
❑ SYSTEM CONFIGURATION
❑ SETUP
The DIAGNOSTIC TEST option contains the following ten functional tests:
❑ SYSTEM TEST
❑ MEMORY TEST
❑ KEYBOARD TEST
❑ DISPLAY TEST
❑ FLOPPY DISK TEST
❑ PRINTER TEST
❑ ASYNC TEST
❑ HARD DISK TEST
❑ REAL TIMER TEST
❑ PCMCIA TEST
The following equipment is needed to perform some of the T1900/T1900C Diagnostic test
programs.
❑ The T1900/T1900C Diagnostics Disk (all tests)
❑ A formatted working disk for the Floppy Disk Drive test (all tests)
❑ 3.5-inch 2HD/2DD disk for internal 3.5-inch FDD
❑ 5.25-inch 2D disk for external 5.25-inch FDD