"Acer Aspire M3800 Service Guide PDF"
1 x 4-pin CPU Fan header and 1 x 3-pin System/Rear Fan header. acer ipimbar rev 102a manual top
Here’s the reality: Acer does not publicly release detailed consumer manuals for proprietary motherboards like the IPIMBAR. However, you don’t need the full 200-page document. You need : the front panel pinout and the BIOS jumper location. "Acer Aspire M3800 Service Guide PDF" 1 x