: 3 × 3.5mm mini-jacks for Line-In, Line-Out, and Microphone.
PC posts but crashes randomly or shows "Unsupported CPU." Cause: Rev 1.0 shipped with BIOS that only supported Sandy Bridge (2nd Gen). Solution: You need a Sandy Bridge CPU (e.g., G530, i3-2100) to flash the BIOS to version 9FKT53A to support Ivy Bridge (i5-3470, i7-3770). lenovo is7xm rev 1.0 motherboard manual
Lenovo IS7XM Rev 1.0 Motherboard: Ultimate Hardware & Layout Guide : 3 × 3
The is a proprietary micro-ATX (mATX) motherboard built for commercial-grade Lenovo ThinkCentre desktops, most notably the ThinkCentre M92 and M92p series . Built around the robust Intel Q77 Express Chipset and the LGA 1155 socket architecture , this motherboard serves as a highly reliable platform for budget-conscious builders, retro-gaming hobbyists, and office upgrades. and office upgrades.