Toshiba 50CT User Guide - Page 72

Subtest Names, Tests and Diagnostics

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3 Tests and Diagnostics 3.3 Subtest Names 3.3 Subtest Names Table 3-1 lists the subtest names for each test program on the Diagnostic Test Menu. Table 3-1 Subtest names (1/2) No. Test name 1 SYSTEM 2 MEMORY 3 KEYBOARD 4 DISPLAY 5 FDD 6 PRINTER Subtest No. 01 01 02 03 04 05 06 01 02 03 04 01 02 03 04 05 06 01 02 03 04 05 01 02 03 Subtest item ROM checksum RAM constant data RAM address pattern data RAM refresh Protected mode Memory module Cache memory Pressed key display Not used PS/2 mouse connect check Pointing stick VRAM read/write for VGA Gradation for VGA Gradation for LCD Gradation & mode test for VGA All dots on/off for LCD "H" pattern display Sequential read Sequential read/write Random address/data Write specified address Read specified address Ripple pattern Function Wraparound Libretto 50CT/70CT Maintenance Manual 3-7

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3
Tests and Diagnostics
3.3
Subtest Names
Libretto 50CT/70CT Maintenance Manual
3-7
3.3
Subtest Names
Table 3-1 lists the subtest names for each test program on the Diagnostic Test Menu.
Table 3-1 Subtest names (1/2)
No.
Test name
Subtest No.
Subtest item
1
SYSTEM
01
ROM checksum
2
MEMORY
01
RAM constant data
02
RAM address pattern data
03
RAM refresh
04
Protected mode
05
Memory module
06
Cache memory
3
KEYBOARD
01
Pressed key display
02
Not used
03
PS/2 mouse connect check
04
Pointing stick
4
DISPLAY
01
VRAM read/write for VGA
02
Gradation for VGA
03
Gradation for LCD
04
Gradation & mode test for VGA
05
All dots on/off for LCD
06
“H” pattern display
5
FDD
01
Sequential read
02
Sequential read/write
03
Random address/data
04
Write specified address
05
Read specified address
6
PRINTER
01
Ripple pattern
02
Function
03
Wraparound