Alpha 1000 User's Guide download pdf (Page 27)

Table 2–2 (Cont.) SROM Memory Tests, CPU Jumper J1

Bank

# Test Description Test Results

5 Memory Test,

Cache Enabled:

Tests memory with

backup and data

cache enabled.

Test status displays on OCP:

12345.done.

If an error is detected, the bank number and failing

SIMM position are displayed. The following OCP message

indicates a failing SIMM at bank 0, SIMM position 2.

FAIL B:0 S:2

Test duration: Approximately 2 seconds per 8 megabytes

of memory.

Figure 2–2 shows the bank and SIMM layout for

AlphaServer 1000 systems. After determining the bad

SIMM, refer to Chapter 6 for instructions on replacing

FRUs.

Note: The memory tests do not test the ECC SIMMs. If

the operating system logs ﬁve or more single-bit correctible

errors, swap the suspected ECC SIMMs with good SIMMs

and repeat the memory test.

3 Backup Cache Test:

Tests backup cache

alternatively with

data cache enabled

then disabled.

Test status displays on OCP:

d 12345.done.

D 12345.done.