Supero SUPER PIIIDM3, Руководство пользователя

Страница: 41 / 98

Chapter 2: Installation
2-7
Installation
2-6 Connecting Cables
(see previous page for JF1
connection locations)
Power Supply Connector
After you have securely mounted
t h e m o t h e r b o a r d , m e m o r y a n d
add-on cards, you are ready to
connect the cables. Attach an
ATX power supply cable to J27 by
aligning the tabs on both connec-
tors. See Table 2-1 for the pin
definitions of an ATX power sup-
ply.
Table 2-1
ATX Power Supply Connector
Pin Definitions (J27)
Pin Number Definition
1 3 . 3 V
2 3 . 3 V 3
3 G r o u n d
4 5 V
5 G r o u n d
6 5 V
7 G r o u n d
8 P W - O K
9 5 V S B
10 1 2 V
Pin Number Definition
11 3 . 3 V
12 - 1 2 V
13 G r o u n d
14 P S - O N
15 G r o u n d
16 G r o u n d
17 G r o u n d
18 - 5 V
19 5 V
20 5 V
Secondary Power Connector
Use of the Secondary Power con-
n e c t o r ( P W R _ S E C ) i s r e c o m -
mended when a heavy load of pe-
ripherals has been added to the
motherboard.
Note: Be sure to use a 6-
pin connector and check the power supply lay-
out before attaching it.
See Table 2-2
for pin definitions.
Table 2-2
Secondary Power Connector
(PWR_SEC)
Pin
N u m b e r
Definition
1 G r o u n d
2 G r o u n d
3 G r o u n d
4 + 3 . 3 V
5 + 3 . 3 V
6 +5V (keyed)
Power LED
The Power LED connection is lo-
cated on pins 1, 3 and 5 of JF1.
See Table 2-6 for pin definitions.
Pin
N u m b e r
1
3
5
Definition
+ 5 V
K e y
G N D
Table 2-3
PWR_LED Pin
Definitions (JF1)
Table 2-4
IDE_LED Pin
Definitions
(JF1)
Pin
N u m b e r
7
9
Definition
+ 5 V
HD Active
Hard Drive LED
The Hard Drive LED connection is
located on pins 7 and 9 of JF1.
Attach the hard drive LED cable to
these pins to display disk activity.
See Table 2-5 for pin definitions.