Keyboard And Ps/2 Mouse Connector (Cn1); Front Panel Header (Cn24) - AXIOMTEK IMB520R User Manual

IMB520R / 521R LGA1151 ATX Motherboard
2.5.1

Keyboard and PS/2 Mouse Connector (CN1)

The board supports a keyboard and mouse interface. Connector CN1 is a DIN connector
for PS/2 keyboard connection via a Y-Cable.
Pin Signal
1 Keyboard Data
2 Mouse Data
3 GND
4 VCC
5 Keyboard Clock
6 Mouse Clock
2.5.2

Front Panel Header (CN24)

This is a front panel header (7x2-pin p=2.54mm).
Pin Signal
1 Power LED+
[*]
2
SPK-
3 GND
4 BUZZER
5 Power LED-
6 N/C
7 N/C
[*]
8 SPK+
9 PWR-
10 PWR+
11 RESET-
12 RESET+
13 HD LED-
14 HD LED+
[*]
: The buzzer on the motherboard will be active when pin 2 and pin 4 are
connected; the external speaker on the chassis will be active when pin 2
Note and pin 4 are open.
12
CN1
Board and Pin Assignments