CHAPTER 2 –Ha
r
dwa
r
e
I
n
s
tallatio
n
s
SPI-6941-LV 21
N
ote
:
Co
m
pute
r
s
y
s
te
m
s
that have an un
s
hielded cable attached to a
U
SB po
r
t
m
ay not
m
eet
FCC Cla
ss
B
r
equi
r
e
m
ent
s
, even if no device o
r
a low
-
s
peed
U
SB device i
s
attached to the cable.
U
s
e
s
hielded cable that
m
eet
s
the
r
equi
r
e
m
ent
s
fo
r
full
-
s
peed device
s
.
P
I
N
N
o
.
Fun
c
t
i
on
P
I
N
N
o
.
Fun
c
t
i
on
1
V
CC
2
V
CC
3
U
SBP
0
/
2
-
4
U
SBP
1
/
3
-
5
U
SBP
0
/
2
+
6
U
SBP
1
/
3
+
7
U
SB
G
8
U
SB
G
CN
8
/
CN
11
1
2
3
4
5
6
7
8
9
10
9
N
.
C
.
10
G
ND
2
.
8
P
a
r
a
ll
e
l Po
r
t
C
onn
ec
t
o
r
:
CN
9
The parallel port bracket can used to add an additional parallel port for additional
parallel devices. There are four options for parallel port operation:
Compatible (Standard mode)
Bi-Directional (PS/2 compatible)
Bi-Directional EPP. A driver from the peripheral manufacturer is required for
operation.
Bi-Directional High-speed ECP
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
Func
t
ion
ST
R
O
BE
PD
0
PD
1
PD
2
PD
3
PD
4
PD
5
PD
6
PD
7
AC
K
B
US
Y
P
E
SL
C
T
Pin No.
14
15
16
17
18
19
20
21
22
23
24
25
Func
t
ion
A
LF
ERR
O
R
I
N
I
T
SL
C
T
I
N
GND
GND
GND
GND
GND
GND
GND
GND
Pin No.
1
3
5
7
9
11
13
15
17
19
21
23
25
Func
t
ion
ST
R
O
BE
PD
0
PD
1
PD
2
PD
3
PD
4
PD
5
PD
6
PD
7
AC
K
B
US
Y
P
E
SL
C
T
Pin No.
2
4
6
8
10
12
14
16
18
20
22
24
26
Func
t
ion
A
LF
ERR
O
R
I
N
I
T
SL
C
T
I
N
GND
GND
GND
GND
GND
GND
GND
GND
N.
C
.
C
N
9
1 2
25 26
1
14
13
25
Pin
a
ssi
g
n
m
en
t
a
f
t
er con
v
ersion
b
y
a
tt
a
che
d
c
ab
le
(
D
B
-
9
connec
t
or
)(
No.
4
-
40
UN
C
)
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