You must enter the BIOS settings using an older GPU or integrated graphics, navigate to the Authentication/Boot tab, and change Secure Boot to "Disabled" and Launch CSM to "Always" or "Never" depending on your card's firmware. 2. CMOS Battery and BIOS Reset
: The board supports up to 16GB of DDR3 RAM. For optimal stability and performance, use DDR3-1333MHz or DDR3-1600MHz modules in a dual-channel configuration (two sticks of the same capacity). Ensure the RAM is "1.5V" standard voltage, not low-voltage (DDR3L), as older H61 chipsets may not be fully compatible with 1.35V kits. acer h61h2ad manual top
Since no manual is available, here are the confirmed jumper functions. The jumper block is located near the SATA ports and the CMOS battery. You must enter the BIOS settings using an
Maintain this configuration for 15 seconds to clear the real-time clock data. For optimal stability and performance, use DDR3-1333MHz or
The Acer H61H2AD motherboard uses a UEFI BIOS setup utility. To access the BIOS setup: