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1-D. J3 External Pin Assignments
VCC
1
LED
3
Ground
5
Switch
7
VCC
9
Receive
11
IRRX
13
Ground
15
IRTX
17
1-E. FAN Pin Assignments
F
A
N
, 1
F
A
N
2
1-F. Memory Clock
The memory clock can be set to run at the CPU
clock speed or to the AGP bus speed (normally
66MHz). The benefit of this setting is that you can
run the CPU bus at 100MHz with only 66MHz
memory by setting the memory clock jumper to
AGP.
Hardware CMOS & Password Reset
If you have been locked out of
your system because you forgot
your password or set the CMOS
incorrectly, follow the instruc-
tions below.
1. Power off the system
2. Set jumper JP13 to pins 2 and 3
3. Wait for 2 seconds, then return
jumper JP13 to pins 1 and 2.
4. Power on the system again.
By following this procedure, you
will erase your password and
reset the CMOS to the BIOS
defaults.
S1598 Trinity ATX
2 Power LED
4 Ground
6 Power On/Off
8 Ground
10 Ground
12 K/B Lock
14 Ground
16 SM I Switch
18 Ground
1
2
3
G
N
D
+
2 1
V
F
n a
M
o
Pin18
Pin17
J3 Side View
t i n
r o
JP1 - JP7
15
Pin2
Pin1
M
e
m
o
r
y
C
o l
c
k
J
P
C
P
U
C
o l
c
k
- 1
A
G
P
C
o l
c
k
- 2
C
M
O
S
J
P
1
D
e
a f
u
t l
- 1
R
e
s
t e
C
M
O
S
- 2
FAN1
JP8 - JP12
FAN2,
JP13
J3, J4
7
2
3
3
2
3
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