HP 9000 Series 500 Handbook page 21

5-1
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_ 98760 Diagnostics .
Powerup
The green
SWEEP INDICATOR
lights at powerup to indicate that the vertical and horizontal scans
are operating correctly. If the LED fails to light at powerup, or goes off during operation, a faulty
scan is indicated.
Alpha and graphics logic is thoroughly tested at powerup, and appropriate messages are issued
if
failures occur.
System Integrity Test
The System Integrity Tests (SIT) include 98760 diagnostics. To load and run SIT (Part Number
09020-10010) :
1. Load the SIT TEST system boot discs.
2. Load the SIT Mainframe Test Programs disc.
3. Enter on keyboard:
LOAD "TEST: INTERNAL" , 1 (
EXECUTE)
4. Follow instructions and select AGRAPHICS when the test menu is presented.
5. Two tests are available under AGRAPHICS: STANDARD and INTERACTIVE. Select the
STANDARD test to test vector generation and graphics memory. A message is provided only
upon test failure.
The INTERACTIVE test is described in Chapter 6.