User`s manual

CT-XBT0x Mini-ITX Motherboard

2.4 Internal Connectors

2.4.1 CPU Power Connector: ATX

Connector Type: 2x2-pin ATX power connector

Pin Signal Pin Signal

1 GND 3 +12V

2 GND 4 +12V

2.4.2 Backlight Control Connector: CN2

Connector Type: 1x8-pin pitch 2.0mm wafer connector

Pin Signal Pin Signal

1 Backlight Enable 2 Backlight CTRL

3 Backlight PWR 4 Backlight PWR

5 GND 6 GND

7 Brightness UP 8 Brightness DOWN

2.4.3 PS/2 Keyboard/Mouse Connector: CN4

Connector Type: 1x6-pin pitch 2.0mm wafer connector

Pin Signal Pin Signal

1 KB_DATA 2 KB_CLK

3 +5V 4 GND

5 MS_DATA 6 MS_CLK

2.4.4 Front Panel Pin Header: CN5

Connector Type: 2x5-pin pitch 2.54mm pin header connector

Pin Signal Pin Signal

1 +5V 2 +5V

3 HDDLED

HDD

LED

4 GND

PWR

LED

5 GND 6 PWRBT

7 Reset BTN

RESET

Switch

8 GND

PWR

Button

9 +5V 10 Key