Hardware Set-Up
Serial 2
Serial 1
3
4
2
11
7
5
12
15
10
Serial IRQ Settings
LPT 1
(0378h)
(default)
LPT 2
(0278h)
IRQ 5
IRQ 7
(default)
Parallel Settings
Parallel
Mode Settings
Bi-directional
(default)
Output
16C552
Serial IRQ Settings
Serial 1 Settings
Serial 2
S
e
rial 1
P
a
rallel P
o
rt
Serial 2 Settings
Parallel Settings
Parallel Mode Settings
Serial Settings
COM 4
(02E8h)
COM 3
(03E8h)
COM 1
(03F8h)*
Default for
Serial1
COM 2
(02F8h)**
Default for
Serial2
