4-8 Chapter 4
D200/D210/D310 Front Panel LCD Codes
Major Code Category 2: Cache (Selftests and
Diagnostics) Codes
Table 4-4 Selftests and Diagnostics - ICACHE and DCACHE
Ostat Code Name Meaning
TEST 2000 CACHE_ALINE Testing the address lines to the cache RAMs
for two types of problems: shorts between
two address lines and an open on any RAM.
TEST 2010 CACHE_DLINE Testing the cache RAM data lines.
TEST 2020 ICACHE_RAM Failure testing the I - cache RAMs.
TEST 2030 CACHE_TAG Testing the tag comparator circuitry in
PCX-L.
TEST 2040 CACHE_ERR Testing the parity detection circuitry in the
caches.
FLT 2040 CACHE_ERR_HPMC HPMC due to cache error.
FLT 2043 DCACHE_ERR_HPMC HPMC due to Level 2 D-cache error.
FLT 2044 I2CACHE_ERR_HPMC HPMC due to Level 2 I-cache error.
FLT 2045 I1CACHE_ERR_HPMC HPMC due to Level 1 I-cache error.
FLT 2070 DCACHE_RAM Failure testing the D-cache RAMs.
TEST 2096 CACHE_CONFIG Configuring the cache for its final operation.
TEST 209B CACHE_DONE Flushing the entire data cache and the
entire instruction cache. Part of the late
cache selftest.
TEST 209F UCACHE_RAM Testing the Unified cache RAMs.
TEST 4020 CACHE_BYTE Testing the capabilities of the byte merge
and align logic by executing the STH, STB,
and STBY instructions in all of the possible
combinations.
TEST 4040 CACHE_FLUSH Testing the higher level functionality of the
flush and purge instructions in the cache
and flushes forced by dirty lines.
TEST 4050 ICACHE_MISS I-cache functionality including misses.
TEST 4060 DCACHE_MISS D-cache functionality including misses.
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