Lenovo Is6xm Rev 1.0 Motherboard Manual -

Lenovo IS6XM Rev 1.0 Motherboard Manual: A Complete Guide to Specs and Upgrades

This is the section most users look for when they cannot find the manual.

• USB 2.0 Header (9-pin): Standard Intel layout. Usually used for the front case USB ports.
• USB 3.0 Header (19-pin Blue): Standard layout for front panel USB 3.0.
• Internal USB (Type A): Some Lenovo boards feature a full-sized USB port inside the case for dongles or security keys.

4 x SATA ports (typically 2 x SATA 3.0 6Gb/s and 2 x SATA 2.0 3Gb/s). Internal headers for USB 2.0. Important Notes for Upgraders Case Compatibility: Lenovo Is6xm Rev 1.0 Motherboard Manual

A:

No. The Q45 chipset does not support ECC. The manual explicitly states "Unbuffered non-ECC DIMMs only." Lenovo IS6XM Rev 1

Perfect for legacy devices:

• Slots: 4 x DDR3 DIMMs.
• Max per slot: 4GB (unbuffered, non-ECC).
• Total max: According to manual rev 1.0, 8GB. However, Lenovo later issued a BIOS update (v2.0) that unofficially supports 16GB (4x4GB).
• Speed: Supports 800 MHz, 1066 MHz, and 1333 MHz (though 1333 downclocks to 1066 if mixing with 800 MHz).

• Opening a laptop typically voids manufacturer warranty unless performed by an authorized service provider.
• Handle components carefully to avoid ESD damage.
• If under warranty, contact Lenovo or the vendor before opening.

Before you dive into aftermarket forums, know that Lenovo officially archives documentation for enterprise products. 4 x SATA ports (typically 2 x SATA 3