Motherboard Specifications 1

[Reyn]

I have a M748LMRT PC100 Systemboard and I am trying to find technical specs regarding the pinouts of this motherboard,more specifically the pinouts for the 17 pin PS/2 and USB connector on the board.
I have had no luck with the manufacturer and less then that online.If anyone has any ideas,including if there is a way to electronically determine which pin does what,i would appreciate it.

Thanx!!

 

[mudskipper]

Are you talking about the ATX form card header (marked J3 in the manual)? (You can find the manual at

http://www.amptron.com/html/manuals.html

)

I don't have the pin-outs, although I have looked them up before. I don't remember what they are, but I want to say that we found the pinout in a different PC Chip Motherboard manual (they all used the same ATX Form Card). Can't say for sure--it was a while ago.

Do you just need USB or PS/2 for the board? If so, you should be able to order the form card. Do a search for PC Chips ATX form card--I am sure that you will find them. Or--Are you located in the US? If so, I have the name of a company that may still have some of these (but they do not ship out of the US). I would be willing to contact them and see if they still have some.

BTW, don't try to use and Asus ATX form card if you find them--the pin out IS different (I do remember that)! Merry Christmas
Mudskipper
___________________________________________________________________________________

Groucho said it best- "A four year-old child could understand this! Quick! Run out and find me a four year-old child: I can't make heads nor tails out of this!"

 

[Reyn]

Mudskipper,

What i need is to get a PS/2 mouse working so this system will be compatible with a KVM switch that I have.

Is the header just fed thru to the PC slot cover and a ps/2 jack or is there more circuitry involved.I ask this because I have a slot cover for the back of the PC with a PS/2 connector on it and 4 wires leading off,thus if I could figure out the pinout on the header on the mainboard I can adapt to it if it is just fed off the mainboard...... and thank you much for the previous info!!!

 

[mudskipper]

If it is J3 that you are trying to connect it to, then I know that it actually hooks to a circuit board. What is actually done on this board, I do not know.

As much as I like to burn out boards, I would really recommend trying to find one of the ATX form cards ;-) When we looked up the pin outs previously, we were also trying to get a PS/2 Mouse working--didn't smoke that board, but I never did get it going--we ended up finding an ATX form card from a local computer shop.

I get the feeling that you want to hook this up immediately, but if you don't mind waiting, here is one site that I found with the card (no, I don't vouch for them--I have never done business with this company)

http://www.tubecomputers.com/atxforcarfor.html

Merry Christmas
Mudskipper
___________________________________________________________________________________

Groucho said it best- "A four year-old child could understand this! Quick! Run out and find me a four year-old child: I can't make heads nor tails out of this!"