15
(6) IDE Activity LED: HD LED
This header connects to the hard disk activity indicator light on the case.
(7) Reset switch lead: RESET
This 2-pin header connects to the case-mounted reset switch for rebooting your
computer without having to turn off your power switch. See the figure below.
(8) Power switch: PWR BTN
This 2-pin header connects to the case-mounted power switch to power
ON/OFF the system.
System Case Connections
HDLE
D
RE
SE
T
VC
C5
GND
VCC5
PW
R
LED
PW
R
B
T
N
PWR
B
T
N
PWRL
ED
HDDL
E
RS
T
S
W
NC
G
ND
JW FP
Pin 1
SPEAK
SP
KR
GND
NC
VCC
5
Pin 1
PWRLED
Pin 1
(9) USB 2.0 Port Headers (9-pin): USB1/USB2
These USB 2.0 headers are used for connecting the additional USB 2.0 port
plugs. By attaching an option USB 2.0 cable, your can be provided with two
additional USB 2.0 plugs affixed to the back panel.
USB Port Header
Pin 1
VC
C
-
DA
TA
GN
D
+D
AT
A
VC
C
OC
-
DA
TA
GN
D
+D
AT
A
(10) Serial COM Port header(9-PIN): COM1
COM1 is a 9-pin RS232 connector.
Serial COM Port 9-pin Block
Pin1
