Casio HS-3000/4M User Manual download pdf (Page 25)

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

Open Disabled

Short (default) Enabled

1 2

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

1 Mouse Data

2 N/C

GND

4 +5V

5 Mouse Clock

6 N/C

Mouse

Data

N/C

GND

+5V

Mouse

Clock

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

2 N/C

3 GND

4 +5V

1234

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Casio HS-3000/4M User Manual Page 25