Fabric OS Reference Manual (Version 3.0)

1-244 Fabric OS Reference

Telnet Commands

sramRetentionTest

Data retention test of the miscellaneous SRAMs in ASIC.

Synopsis sramRetentionTest [passCount]

Availability admin

Description Use this command to verify that data written into the miscellaneous SRAMs in the ASIC are

retained after a 10 second wait.

The test method is to write a fill pattern to all SRAMs, wait 10 seconds, and then read all SRAMs

checking that data read matches data previously written. Then the test is repeated using the

complementary version of the pattern. The following patterns are used:

0xffffffff (and 0x00000000)

0x55555555 (and 0xaaaaaaaa)

0x33333333 (and 0xcccccccc)

0x0f0f0f0f (and 0xf0f0f0f0)

QUAD_RAMP with a random seed value (and its invert)

Operands This command has the following operand:

passCount Specify the number of times to execute the test. The default value is 1. This

command is optional.

Example To run a data retention test:

Errors Below are the possible error messages if failures are detected:

DIAG-REGERR

DIAG-REGERR_UNRST

DIAG-BUS_TIMEOUT