Need a manual for 671M01-8KSH motherboard - Acer Computers & Internet

Try this
http://www.foxconnsupport.com/download.aspx?models=en-us0000320&category=C000000001&brand=en-us0000001&Series=en-us0000002&chipset=en-us0000113&keywords=&sort=
webpage
You may need to change some of the parameters in search fields in the upper right to do some fine tuning. The manuals section may not cotain ecactly the information you need. I suspect that the particular was made by Foxconn for Acer

I cannot access Acer support at present for some reason,I was going to look at the SA90 model. The source of my information for the main is

Acer Aspire SA90 MBS7109002 671M01 8KSH Motherboard Foxconn Socket LGA 775

7.March.2015