Sun Microsystems 220R - Manual (Page 199)

CODE EXAMPLE 7–1
Enter (0-11 tests, 12 -Quit, 13 -Menu) ===> 1
TEST=’all_dma/ebus_test’
SUBTEST=’dma_reg_test’
SUBTEST=’dma_func_test’
Enter (0-11 tests, 12 -Quit, 13 -Menu) ===>
7.6.5 Ethernet
The Ethernet diagnostic performs the following tests.
Test Function
my_channel_reset
Resets the Ethernet channel.
hme_reg_test
Performs walk-one on the following registers set: global register 1, global
register 2, bmac xif register, bmac tx register, and the mif register.
MAC_internal_loopback_test
Performs Ethernet channel engine internal loopback.
10_mb_xcvr_loopback_test
Enables the 10BASE-T data present at the transmit MII data inputs to be
routed back to the receive MII data outputs.
100_mb_phy_loopback_test
Enables MII transmit data to be routed to the MII receive data path.
100_mb_twister_loopback_test
Forces the twisted-pair transceiver into loopback mode.
The following example shows the Ethernet diagnostic output message.
CODE EXAMPLE 7–2
Enter (0-11 tests, 12 -Quit, 13 -Menu) ===> 2
TEST=’ethernet_test’
SUBTEST=’my_channel_reset’
SUBTEST=’hme_reg_test’
SUBTEST=’global_reg1_test’
SUBTEST=’global_reg2_test’
SUBTEST=’bmac_xif_reg_test’
(continued)
Diagnostics and Troubleshooting 199