System information

4.3 VGA BIOS
Write In
RPC Command Port
Read Out
RPC Status Port
Write In
RPC Data Port
[ No Data To Send ]
[ Data To Send ]
[ Status != FIFO Full ]
[ Status = FIFO Full ]
Write In
RPC Command Port
Figure 4.16: Sending of an RPC message.
Read Out
RPC Command Port
Read Out
RPC Status Port
Read Out
RPC Data Port
Exceute
RPC Command
[ Command = 0 ]
[ Command != 0 ]
[ Status = Transfer End ]
[ Status = Data Available ]
Figure 4.17: Receiving of an RPC message.
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