Interphase Tech CONDOR 4221 - Manual (Page 99)

Transmit
87
Transmit
The Transmit command causes the controller to DMA transfer the specified frame from host memory, and then
transmit it (if possible) through the specified Ethernet port.
Table 3-29. Transmit
Command Code
This field must contain 0x50 to execute the Transmit IOPB.
Transmit
Offst 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
0x00 Command Code
0x01 Command Options
0x02 Return Status
0x03 Normal Completion Level Normal Completion Vector
0x04 Error Completion Level Error Completion Vector
0x05 DMA Transfer Control Word
0x06 Buffer Address (MSW)
0x07 Buffer Address (LSW)
0x08 Transfer Size (MSW)
0x09 Transfer Size (LSW)
0x0A
to
0x0E Reserved
(10 Bytes
0x0F Reserved
0x10 Reserved
0x11 Reserved