3-2
420 Series
The DIAGNOSTIC TEST MENU contains the following 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
❑
CD-ROM TEST
You will need the following equipment to perform some of the Diagnostic test programs.
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The Diagnostics Disk (all tests)
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A formatted working disk for the floppy disk drive test (all tests)
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An external FDD attachment
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A cleaning kit to clean the floppy disk drive heads (Head Cleaning)
❑
A PC card wraparound connector for the I/O card test (Expansion 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)
❑
A CD test media (Toshiba-EMI test disk TDY-03 and music CD) (CD-ROM test)
❑
External CRT (All tests)
❑
PS/2 or compatible keyboard (All tests)
❑
PS/2 or compatible mouse (Keyboard test)
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Serial port wraparound connector (ASYNC test)
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Multimedia sound system with line-in and line-out ports (Sound test)
❑
Headphone (Sound test)
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CD-ROM drive (CD-ROM test)
❑
A microphone
The following sections detail the tests within the Diagnostic Test function of the DIAGNOS-
TIC TEST MENU. Refer to Sections 3.19 through 3.25 for detailed information on the
remaining Service Program Module functions.
