Lenovo Is6xm Rev 1.0 Motherboard Manual -
The Lenovo IS6XM Rev 1.0 is a microATX (mATX) motherboard designed for second-generation Intel "Sandy Bridge" processors, typically found in business-class desktops like the Lenovo ThinkCentre M91 and M91p. Built on the Intel Q67 chipset, it serves as a reliable replacement or foundation for legacy computing needs. Key Technical Specifications
Tip: If the board is installed in the original Lenovo case, look for the labeled plug on the wiring harness. If you are modding this into a generic case, you may need to trial-and-error the polarity for the LEDs, though switches generally work regardless of polarity. Lenovo Is6xm Rev 1.0 Motherboard Manual
The fix was the Rev 1.1. A silent revision. The only physical difference? A tiny, laser-cut trace that disabled JP11. The silkscreen still said "Rev 1.0" on the early 1.1 boards, but the circuit was dead. The real 1.0—the "green ones," as his father called them, for a specific shade of solder mask used only on the first run—was a listening post. The Lenovo IS6XM Rev 1
- CPU Socket: LGA 1200
- Chipset: Intel B460
- Memory Slots: 4 x DDR4 DIMM
- Expansion Slots: 1 x PCIe 3.0 x16, 2 x PCIe 3.0 x1
- Storage: 6 x SATA 6Gb/s, 1 x M.2
- USB: 6 x USB 3.2 Gen 1, 2 x USB 2.0
- LAN: 1 x Gigabit Ethernet
- Audio: 7.1-channel audio
The documentation provided by Lenovo—and the schematic-heavy manuals available on sites like Scribd —is highly technical, offering deep dives into block diagrams and voltage clocks (3.3V, 5V, 12V). CPU Socket: LGA 1200 Chipset: Intel B460 Memory
LGA 1155 (Supports 2nd Gen Intel Core i3/i5/i7 "Sandy Bridge") Memory
LENOVO IS6XM REV 1.0
3. Critical Connectors & Pinouts
This is the section most users look for when they cannot find the manual.
