feipoa wrote on 2017-10-11, 15:13:

4DPS PIN Assignment 1 CLK 2 Data 3 GND 4 N/C 5 Vcc […]
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4DPS
PIN Assignment
1 CLK
2 Data
3 GND
4 N/C
5 Vcc

Actually this is incorrect. 1 is Data, 2 is CLK. I have been struggling to get PS/2 working on my 4DPS but when I switched these two wires everything started working.

feipoa wrote on 2017-10-11, 15:13:

The mouse header pins on the MB-8433UUD and the 4DPS are very different. […]
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The mouse header pins on the MB-8433UUD and the 4DPS are very different.

MB-8433UUD
PIN Assignment
1 Data
2 N/C
3 GND
4 Vcc
5 CLK

4DPS
PIN Assignment
1 CLK
2 Data
3 GND
4 N/C
5 Vcc

On the MB-8433UUD, the chipset controls the PS/2 mouse (the chipset contains a keyboard controller chip). On the 4DPS, the keyboard controller controls the PS/2 mouse.

You shouldn't need to alter modbin. Both AMIKEY and the HOLTEK should work.

sorry for hijacking so many years old post, but 4DPS pinout is wrong.
correct is
1 DATA
2 CLK
the rest is ok.

airbone-x wrote on 2024-03-02, 00:21:

sorry for hijacking so many years old post, but 4DPS pinout is wrong. correct is 1 DATA 2 CLK the rest is ok. […]
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feipoa wrote on 2017-10-11, 15:13:

The mouse header pins on the MB-8433UUD and the 4DPS are very different. […]
Show full quote

The mouse header pins on the MB-8433UUD and the 4DPS are very different.

MB-8433UUD
PIN Assignment
1 Data
2 N/C
3 GND
4 Vcc
5 CLK

4DPS
PIN Assignment
1 CLK
2 Data
3 GND
4 N/C
5 Vcc

On the MB-8433UUD, the chipset controls the PS/2 mouse (the chipset contains a keyboard controller chip). On the 4DPS, the keyboard controller controls the PS/2 mouse.

You shouldn't need to alter modbin. Both AMIKEY and the HOLTEK should work.

sorry for hijacking so many years old post, but 4DPS pinout is wrong.
correct is
1 DATA
2 CLK
the rest is ok.

EDIT> sorry, havent see previous post from garryglitta....