Lenovo Is6xm Rev 1.0 Motherboard Manual (Android Verified)
This is where most users fail. Standard PC case connectors rarely match directly.
| Pin | Signal | Pin | Signal | |-----|--------|-----|--------| | 1 | HDD LED (+) | 2 | Power LED (+) | | 3 | HDD LED (-) | 4 | Power LED (-) | | 5 | Ground | 6 | Power Switch (Vcc) | | 7 | Reset Switch (+) | 8 | Power Switch (GND) | | 9 | Reset Switch (-) | 10 | Key (no pin) |
From the manual: If you are using a standard case, connect the power switch to pins 6 & 8. The reset switch goes to 7 & 9. Lenovo Is6xm Rev 1.0 Motherboard Manual
Lenovo uses a specific pinout for the power button, reset button, and LEDs. It is usually a block of pins at the bottom front edge of the board.
Standard Lenovo Pinout (14-1 Pin Block): (Looking at the board with the pins facing you, typically the missing pin is top-right or bottom-left depending on the exact generation, but usually bottom-right pin 8 is missing). This is where most users fail
If you are transplanting this board into a non-Lenovo case: You will likely need to cut the connector block off the case wires and connect them individually using the diagram above. Standard case connectors (GND/PWR) usually work if you trial-and-error the polarity for LEDs.
This board relies on the APU (processor) for graphics. If your processor is an Athlon (which has no integrated graphics) and you have no dedicated GPU installed, you will get no video output. If you are transplanting this board into a
Perfect for legacy devices:
| Symptom | Likely Cause | Solution | | :--- | :--- | :--- | | No POST, fans spin | Incompatible CPU (e.g., Ivy Bridge) | Use only Sandy Bridge CPUs (2nd gen Core). | | Turns on, no display | Dead CMOS battery (CR2032) | Replace battery, clear CMOS, reboot. | | Beep code: 1 long, 2 short | Video/GPU error | Reseat GPU, switch to integrated graphics. | | Random reboots / shutdown | Proprietary PSU failure | Check caps on PSU; use genuine Lenovo PSU or adapter. | | Front USB not working | Incorrect pinout or bent pins | Verify F_USB1 pin 1 (VCC) is correctly aligned. | | PCIe x16 runs at x8 | Shared lanes with SATA or PCIe x1 slot 2 | Leave PCIe x1 slot 2 empty for full x16. |
The IS6XM is a standard micro-ATX or proprietary small form factor board designed for the Intel Skylake and Kaby Lake generations.