Parallel Port Jumper Configuration - Intel iSBC 86/14 Hardware Reference Manual

PREPARATION FOR USE
Table 2-15. Parallel Port Jumper Configuration
Por t Mode Driver (D)/ Jumper Configuration
Restrictions
Terminator (T) Delete Add Effect
Port
•
e8
o
Input
8287 U17 E52-E61* E52-E32 8287
=
input
enabled CA None; can be in
mode 0 or 1,
input or output.
CC
None; can be in
Mode 0, input or
output, unless
Port CA is in
Mode 1.
e8
o
Output
8287 U17
E52-E61* 8287
=
(latched) output
enabled CA None; can be in
Mode 0 or 1,
input or output.
CC None; can be in
Mode 0, input or
output, unless
Port CA is in
Mode 1.
e8
1 Input
8287 U17 E52-E61* E52-E32 8287
=
(strobed) T: U18
input
D: U19
enabled. CA None; can be in
Mode 0 or 1,
input or output.
E47-E56
Connects CC Port ec bits
Jl-26 to perform the
STB A / following:
input.
E46-E55* E55-E51 Connects
and
IBFA
E60-E51*
output to
Jl-18.
• Bits 0,1,2,--
Control for
Port CA
i f
Port
CA is in Mode 1.
2-35