4th Generation Intel Core i3, i5, i7 / Pentium / Celeron (Haswell) Dual-channel DDR3 DIMM Slots 2 x 240-pin slots Maximum RAM 16 GB (2 x 8GB) DDR3 / DDR3L 1333/1600 MHz Form Factor Micro-ATX (approx. 24.4 cm x 20.0 cm) Expansion and Storage Slot Layout
Pin assignments looking at the motherboard with the PCIe slots facing down:
: 4-pin or 8-pin CPU power connector located near the rear I/O shield. Fan Headers CPU_FAN : 4-pin PWM header located near the CPU socket. SYS_FAN : 3-pin or 4-pin system chassis fan header. Front Panel Header (F_PANEL) Pinout acer h81h3am v10 manual portable
If the system fails to boot due to an unstable BIOS setting, forgotten password, or hardware mismatch, you must reset the Complementary Metal-Oxide-Semiconductor (CMOS). Turn off the PC and unplug the power cord from the wall.
1 x VGA port, 1 x DVI-D port, or 1 x DisplayPort (varies by exact Veriton sub-model). 4th Generation Intel Core i3, i5, i7 /
This guide is community-created for the Acer H81H3-AM v1.0 motherboard. Refer to Acer’s official documentation for your specific desktop model (e.g., Aspire TC-603, Veriton X2630).
The front panel header is typically a 14-pin or 9-pin block located on the bottom right edge of the board. For the standard 9-pin layout common to this ECS/Acer platform: SYS_FAN : 3-pin or 4-pin system chassis fan header
Acer commercial BIOS defaults to strict UEFI settings with Secure Boot active. If you install an older graphics card or a hard drive with a legacy Master Boot Record (MBR) partition table, the board will block the boot path.