Sun Microsystems Ultra 5, Service Manual

Page: 96 / 258

4-24 Sun Ultra 5 Service Manual • February 2000
4.7.2.10 NVRAM Diagnostic
To start the NVRAM diagnostic, type
9
at the OBDiag menu prompt. The NVRAM
diagnostic verifies the NVRAM operation by performing a write and read to the
NVRAM.
The following code example shows the NVRAM output message.
4.7.2.11 Audio Diagnostic
To start the audio diagnostic, type
10
at the OBDiag menu prompt. The audio
diagnostic performs the following:
1.
cs4231_test
– Verifies the cs4231 internal registers.
2. Line-in to line-out external loopback test.
3. Microphone to headphone external loopback test.
The following code example shows the audio output message.
CODE EXAMPLE 4-18
NVRAM Output Message
Enter (0-12 tests, 13 -Quit, 14 -Menu) ===> 9
TEST='nvram_test'
SUBTEST='write/read_patterns'
SUBTEST='write/read_inverted_patterns'
Enter (0-12 tests, 13 -Quit, 14 -Menu) ===>
CODE EXAMPLE 4-19
Audio Output Message
Enter (0-13 tests, 14 -Quit, 15 -Menu) ===> 10
TEST=’audio_test’
SUBTEST=’cs4231_test’
Codec_ID=’8a’
Version_ID=’a0’
SUBTEST=’external_lpbk’
###OBDIAG_MFG_START###
TEST=’audio_test’
STATUS=’FAILED’
SUBTEST=’external_lpbk’
ERRORS=’1 ‘