Cga.8086 wrote:

Hi guys i have a pentium3 motherboard and the PS/2 , mouse and keyaboard ports are not working. Motherboard brand is MSI socket […]
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Hi guys i have a pentium3 motherboard and the PS/2 , mouse and keyaboard ports are not working. Motherboard brand is MSI socket 370.

I read here P3B-F PS/2 ports stopped working that on other motherboard from ASUS with the same problem, taking out a 8 pin resistor near the ps2 connector was the fix to have the PS2 ports working again.
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I still need to check if my motherboard has same 8 pin resistor. maybe there is a person that has knowledge on how to fix common motherboard problems and knows how to get the PS2 connector working
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I had a similar problem with an ASUS CUV4X board but removing the C151 resistor did not have any positive (or negative) effect.

parke are you still able to use that pentium3 motherboard with a USB keyboard in DOS to enter the bios or type in DOS without having windows installed?

or how did you fix your problem? because if PS/2 ports are not working...then how do you connect a keyaboard and mouse to be used in DOS?

I have not tried other options. Because the board did not work how it should I retired it because I suspected that the I/O chip was not working properly and I do not like half-functioning hardware in a build.

Check if L3 and L18 conduct, they're likely to blow out before the fuse does in case of overcurrent.

this is what mine has...see it is kind of different