Table of Contents
Advertisement
9. Jumpers and Connectors Overview
9.1.3. Connectors On-Board
9.1.3.1. J31: +12V ATX Power Connector
The ATX connector is used to connect the +12V ATX power supply to the board in order to provide power to the CPU.
J31: 4-pin Connector
9.1.3.2. J14: Multifunctional Connector
A system chassis can be equipped with components, that provide acoustical or/and light indication of the computer
activities, and switches to change the computer status. J14 is a 16-pin box header that provides following connections:
Signal Name
Pin #
KBCKL
1
KBDATA
3
VCC5V fused
5
Speaker
7
MCKL
9
MDATA
11
PBRES#
13
HDLED-
15
The multifunctional connector (J5) provides an interface:
❏ for a PS/2 keyboard and a PS/2 mouse connector
❏ to a speaker for audio tone generation
❏ to connect the Power LED
❏ to connect the hard drive activity LED
❏ to connect the reset button
Power LED: pins 4 and 6
These-pins allow the connection of the power LED.
Reset Button: pins 13 and 14
To these pins can be connected a reset button. The reset button is used to restart the system without turning the main
power switch off and on again.
Depending on the software and operating system, some data may be lost if the reset button is activated.
22
Pin
Signal Name
1
2
3
4
J14: Boxed Header,
DIP 16-pin
1
2
15
16
Multifunctional
GND
GND
+12V
+12V
Pin #
Signal Name
2
GND
4
GND
6
PWRLED+
8
VCC5V fused
10
GND
12
GND
14
GND
16
HDLED+
PCI-760 – User's Manual (V1.00)
Advertisement
Table of Contents
