Zida P845SD, User Manual

Page: 45 / 59

A PS/2 Mouse & Keyboard Connector
The Mainboard provides two on-board PS/2 connectors, one for
the keyboard, and one for the mouse. PS/2 devices all have
a standard 6-pin round shape connector. If you are already
using a PS/2 mouse or keyboard, simply plug them into the
corresponding connector. No jumper settings are necessary.
B ATX Power Supply Connector
The Mainboard provides a single 20-pin ATX power supply
connector and a 4pin extend +12V connector, the 20pin
connector incorporates st5V and +12V, 3.3V and soft-
on/off signals. With a power supply that supports remote
power on/off, the mainboard can turn off the system power
through software control, such as the shutdown command in
the Windows 95 / Windows 98 Start Menu. The BIOS system
will turn the system power off when it receives the proper APM
command from the OS. APM must be enabled in the BIOS
and OS systems in order to set the soft-off feature working
properly.The 4pin connector 12V Power connection.
Pin Signal Name Pin Signal Name
1 +3.3V 11 +3.3V
2 +3.3V 12 -12V
3 Ground 13 Ground
4 +5V 14 PW_ON
5 Ground 15 Ground
6 +5V 16 Ground
7 Ground 17 Ground
8 PWRGOOD 18 -5V
9 +5VSB 19 +5V
10 +12V 20 +5V
4Pin Connector
Pin Signal Name
1 Ground
2 Ground
3 +12V
4 +12V
Glossary
Glossary
Page 45
Mainboard User's Manual