Allied Telesis AT-2972T/2 - Manual (Page 124)

Chapter 11: DOS Diagnostics
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C3. DMA Test
Function: Both high and low priorities DMA are tested. It moves data from
the host memory to NIC SRAM, verifies data, and then moves data back
to the host memory again to verify data.
Default: Enabled
C4. MII Test
Function: The function is identical to A2. Control Register Test. The test
writing zero and one into the test bits to insure the read only bits value are
not changed, and read/write bits are changed accordingly.
Default: Test Enabled.
The test attempts to read the register configuration file ‘miireg.txt’ for the
register defines. If the file does not exists, the following table is used. See
Table 9.
Table 9. Default Register
Offset R/O Mask R/W Mask
0x00 0x0000 0x7180
0x02 0xffff 0x0000
0x03 0xffff 0x0000
0x04 0x0000 0xffff
0x05 0xefff 0x0000
0x06 0x0001 0x0000
0x07 0x0800 0xb7ff
0x08 0xffff 0x0000
0x09 0x0000 0xff00
0x0a 0x7c00 0x0000
0x10 0x0000 0xffbf
0x11 0x3300 0x0000
0x19 0x001f 0x0000
0x1e 0x0000 0xffff
0x1f 0x0000 0xffff