The HS-3000/4M has a PS/2 mouse connector onboard uses IRQ12. If you do not use the PS/2 mouse and wish to assign IRQ12 for other purposes, you may change JP8 do disconnect PS/2 interrupt from IRQ12.

JP8: IRQ12 Enabled/Disabled Select

JP8

Description

1 2

Open

Disabled

 

Short (default)

Enabled

 

NOTE: If you want to use PS/2 mouse, please make sure JP8 is Short.

CN20: PS/2 6-pin Mini DIN Mouse Connector

PIN

Description

 

3 GND

1

Mouse Data

Mouse

2

N/C

Clock

5

 

 

1 Mouse

3

GND

 

 

Data

 

2 N/C

4

+5V

 

 

6

 

5

Mouse Clock

N/C

4

+5V

 

 

6

N/C

 

 

 

3.10 Speaker Connector

The HS-3000/4M has its own buzzer, and CN5 allows user to connect to the external speaker.

CN5: Speaker Connector

PIN Description

1

Speaker

1 2 3 4

2N/C

3 GND

4+5V

19