DEC Digital Alpha VME 4/224 User Manual page 97

DALLAS DS1386 RAMified Watchdog Timekeeper Tests
NVRAM Address-On-Address Test
The NVRAM locations in the DS1386 are byte wide. Therefore, you do not
have enough room to write the unique address into each corresponding location.
However, this test writes the unique page offset to its corresponding location in
NVRAM.
This test writes, reads, and compares all 32 KB of NVRAM using this unique
page offset for test data. If the quick verify option is set (default) only the first
location of each page is tested. The no quick verify option tests every location (32
KB) of the NVRAM.
The contents of the NVRAM are overwritten by this diagnostic and
restored on test completion. If the module is reset during this test the
NVRAM contents are undefined.
Console Command: ds1386_diag -t 2
Command Options:
• -dd: print detailed test information on each pass.
• -nqv: test every location in NVRAM, default is to test 1 location per 256 byte
page.
Miscellaneous Note
This diagnostic is an extended test.
NVRAM March II Test
This test verifies NVRAM addressing by marching (write, read, and compare) a
0x00 byte value through a field of 0xFF. Each iteration reads the entire 32 KB
for background pattern of 0xFF. If the quick verify option is set (default) only the
first location of each page is tested. The no quick verify, -nqv, option tests every
location (32 KB) of the NVRAM.
The contents of the NVRAM are overwritten by this diagnostic and
restored on test completion. If the module is reset during this test the
NVRAM contents are undefined.
Note
Note
Diagnostics 4–19