Chapter 2: Installation
2-15
Power Button
The Power Button connection is
located on pins 1 and 2 of U66.
Momentarily contacting both pins
will power on/off the system. This
button can also be configured to
f u n c t i o n a s a s u s p e n d b u t t o n
(with a setting in BIOS - see Chap-
t e r 4 ) . T o t u r n o f f t h e p o w e r
when set to suspend mode, de-
press the button for at least 4
seconds. Refer to the table on the
right for pin definitions.
P in
Number
1
2
Definition
PW _O N
G round
P ow er Butto n
Connector
P in Definitions
(JF2)
Universal Serial Bus
(USB0/1, USB2/3)
Two USB 2.0 ports:USB0/1 (J1)
and USB2/3 (J4) are located on
the back panel. USB0 is the bottom
connector and USB1 is the top
connector of J1. USB2 is the bot-
tom connector and USB3 is the top
connector of J4. See the table on
the right for pin definitions.
Universal Serial Bus Pin Definitions
Pin
Number
Definition
1
+5V
2
P0-
3
P0+
4
Ground
5
N/A
Pin
Number
Definition
1
+5V
2
P0-
3
P0+
4
Ground
5
Key
USB0(J1), USB2(J4) USB1(J1), USB3(J4)
Reset Button
The Reset Button connection is lo-
cated on pins 3 and 4 of U66. At-
t a c h i t t o t h e h a r d w a r e r e s e t
s w i t c h o n t h e c o m p u t e r c a s e .
Refer to the table on the right for
pin definitions.
Pin
Number
3
4
Definition
Reset
Ground
Reset Pin
Definitions
(U66)
