Dell PowerEdge 4350 Dell PowerEdge 4350 Systems Installation and Troubleshooti - Page 64

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Match case Limit results 1 per page

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100% Actual Size Fit Width Fit Height Fit Page Automatic

5-16

Dell PowerEdge

4350 Systems Installation and Troubleshooting Guide

program appears to malfunction and you confirm that the software itself is not at

fault. (You can confirm that the software is not at fault by moving the program to

another computer and running it there.)

²

The computer periodically locks up, especially at different places and times in dif-

ferent programs.

²

The computer halts in the middle of performing calculations or complex mathe-

matical operations.

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The subtests in the Video test group verify the proper operation of the video controller

and the video control circuitry installed in the computer. These subtests check for the

correct operation of the readable registers in the video circuitry and the controller.

They write, read, and verify data patterns in the cursor registers of the controller. The

Video test group also tests all the video memory and provides additional subtests to

test the color features of a color monitor.

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The eight subtests in the Video test group and the video functions they test follow:

²

Video Memory Test

Checks the read/write capability of video memory in various video modes.

²

Video Hardware Test

Checks the cursor registers and the horizontal and vertical retrace bit registers in

the video controller.

²

Text Mode Character Test

Checks the video subsystem±s ability to present data in text modes.

²

Text Mode Color Test

Checks the video subsystem±s ability to present color in text modes.

²

Text Mode Pages Test

Checks the video subsystem±s ability to map and present all available video pages

on the screen, one page at a time.

²

Graphics Mode Test

Checks the video subsystem±s ability to present data and color in graphics

modes.

²

Color Palettes Test

Checks the video subsystem±s ability to display all of the available colors.