Sun Microsystems Sun Blade 100, Service Manual

Page: 88 / 222

4-20 Sun Blade 100 Service Manual • October 2000
4.7.2.9 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.
4.7.2.10 Audio Diagnostic
To start the audio diagnostic, type
10
at the
OBdiag
Menu prompt. The audio
diagnostic performs the following in sequence:
1.
cs4231_test
verifies the cs4231 internal registers.
2. Line-in to line-out external loopback test.
3. Microphone to headphone external loopback test.
SUBTEST='internal_loopback'
BAUDRATE='19200'
SUBTEST='internal_loopback'
BAUDRATE='38400'
SUBTEST='internal_loopback'
BAUDRATE='57600'
SUBTEST='internal_loopback'
BAUDRATE='76800'
SUBTEST='internal_loopback'
BAUDRATE='115200'
SUBTEST='internal_loopback'
BAUDRATE='153600'
SUBTEST='internal_loopback'
BAUDRATE='230400'
SUBTEST='internal_loopback'
BAUDRATE='307200'
SUBTEST='internal_loopback'
BAUDRATE='460800'
SUBTEST='internal_loopback'
Enter (0-12 tests, 13 -Quit, 14 -Menu) ===>
CODE EXAMPLE 4-15
Serial Port Diagnostic Output Message (Continued)