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2 configuration variable – Sun Microsystems 220R User Manual

Page 194

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OBDiag Menu

0 ..... PCI/Cheerio

1 ..... EBUS DMA/TCR Registers
2 ..... Ethernet
3 ..... Keyboard

4 ..... Mouse
5 ..... Parallel Port
6 ..... Serial Port A

7 ..... Serial Port B
8 ..... NVRAM
9 ..... Audio

10 ..... SCSI
11 ..... All Above

12 ..... Quit
13 ..... Display this Menu
14 ..... Toggle script-debug

15 ..... Enable External Loopback Tests
16 ..... Disable External Loopback Tests

Enter (0-11 tests, 12 -Quit, 13 -Menu) ===>

7.5.2

Configuration Variable

The following table provides information about the OpenBoot PROM configuration
variable stored in NVRAM. This variable affects the operation of OBDiag. Use the

printenvs

command to show current values and the

setenv

command to set or

change a value. Both commands are described in Section 7.12.2 “Software
Commands” on page 216.

Variable

Setting

Description

Default

diag-level

off

No tests are run at power up.

min

Performs minimal testing of core
functionality.

min

max

Runs exhaustive tests for all
functions except external
loopbacks. External loopback tests
are not available.

194

Sun Enterprise 220R Server Service Manual

January 2000, Revision A