Lenovo Is7xm Rev 1.0 Motherboard Manual |top| | Official

The four DIMM slots are color-coded to guide proper dual-channel activation. For optimal performance, always populate the slots starting from the outermost channel away from the CPU socket.

Lenovo uses a modified internal audio pin map. While physically accepting a standard HD Audio connector, minor wire modifications might be required on non-Lenovo cases to avoid "Front Audio Not Connected" boot errors. BIOS Access & Troubleshooting Diagnostics lenovo is7xm rev 1.0 motherboard manual

Pivot open the plastic retaining wing clips on the sides of the DDR3 slots. Align the physical plastic gap in the bottom edge of your RAM stick with the notch inside the slot, and push downward until both side clips snap completely shut. The four DIMM slots are color-coded to guide

1x Serial (COM) port for industrial and vintage system debugging. lenovo is7xm rev 1.0 motherboard manual