Test e60 walk_sizeleds, Test e61 test_memory, Teste61 testmemory - 2 2 – Fluke 900 User Manual

Page 46

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Seiftest

FLUKE 900 SERVICE MANUAL

1.

Manual initialization test:

- Manually write all locations with 0.
- Read back all locations checking for 0.
- Manually write all locations with 1.
- Read back all locations checking for 1.

2.

Auto initialization test:

- Auto initialize all locations with 0.
- Read back all locations checking for 0.
- Auto initialize all locations to 1.
- Read back all locations checking for 1.

RESULT BYTES:

I B7 I B6 1 B5 I B4 I B3 I B2 I B1 | BO |

I BYTE 0 1

0 I

+-------- +-------- +--

I BYTE 11 I

I BYTE 2 I I

I

BYTE 3 I

I

-+

I

- + —

I

-+-------

I

- + --------

I

I All I AIO I Mil I

MIO I

----- +------------+----------+----------+----------+------ -+

I

I

I

I

I

I

- + —

I

- + —

All- Auto-Initialization to 1 failed.
AIO- Auto-Initialization to 0 failed.

Mil- Manual-Initialization to 1 failed.
MIO- Manual-Initialization to 0 failed.

TEST E60
WALK_SIZELEDS

This test turns off aU of the SIZE LED’s and walks each one on. It then turns on all of the
LED’s and walks each one off. This test is visual and is not executed during power-up

selftest.

TEST E61
TEST_MEMORY

This test verifies the ckecksums of all of the ROMs and tests most of the RAM. The SRAM
that is in use when the test is started is not tested. This test will normally take about five
minutes to complete.

Byte 0

bit 0 is set if the system failed. This is the lower 1/4 of the SYSAF EPROM.

3 - 2 2

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