Unlike consumer boards, Lenovo OEM motherboards use non-standard front panel connectors, proprietary fan headers, and BIOS-locked settings. Attempting to troubleshoot, upgrade, or even power on the board without the manual is risky.

Intel 2nd Gen Core i3/i5/i7, Pentium, and Celeron processors (Sandy Bridge). Note: It does support 22nm Ivy Bridge CPUs like the i3-3220 or i5-3450.

The IS6XM Rev 1.0 officially supports processors (32nm). Motherboard Compatibility - Linus Tech Tips

:

It includes essential legacy and business ports: