Interphase Tech CONDOR 4221 User Manual Page 90

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Chapter 3 - MACSI Host Interface
78
Table 3-22. MAC Control / Status
Command Code
This field must contain 0x43 to execute the MAC Control IOPB.
MAC Control/Status
Offst 1514131211109876543210
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 Reserved
0x09 Transfer Size
0x0A Reserved
0x0B MAC Status / Control
0x0C
0x0D
Intel 82596 Status / Control
Transmit Functions
0x0E
0x0F
Intel 82596 Status / Control
Receive Functions
0x10 Reserved
0x11 MAC Returned Information
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