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Message Format
Line Number
Offset
Count
Response
FIRMWARE
o
02H
1
Line Number
2
Count
3
4
Offset
5
6
Reserved
.
.
151
~
________ R __ e_s_e_r_v_e_d ______
~
NOTE
Reserved space
should be set to
00 (H) •
The serial channel on which input has been
received.
The 16-bit offset from the base of the
controller memory to the beginning of the area
where the received characters have been
accumulated. The firmware adds 16384 bytes to
maintain compatibility with other Intel
products.
The number of characters available starting at
the above offset. Note that the receive buffer
for each line is organized as a circular queue
and the host CPU must account for any
wrap-around implied by the offset and count.
The host CPU must respond with a Clear Receive
Buffer Message.
Figure B-28.
Input Available Message Format
B-43
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