Acer used a low-quality controller for the 4 SATA ports. Ports 3 and 4 often fail first. If your SSD isn’t detected, use Port 0 or 1 exclusively.
| Connector | Label | Pins | Purpose | |-----------|-------|------|---------| | | PANEL1 | 9 | Power SW, Reset SW, HDD LED, Power LED | | Front Audio | AUDIO | 9 | HD Audio (AC’97 not supported on some revs) | | USB Header | USB1/USB2 | 9 | 2 front USB 2.0 ports | | COM Port | COM | 9 | Legacy serial port (industrial use) | | CMOS Jumper | CLR_CMOS | 3 | Pins 1-2 = Normal, Pins 2-3 = Clear CMOS | acer h61h2ad manual top
LGA 1155 (Supports Intel 2nd and 3rd Gen Core i3/i5/i7, Pentium, and Celeron). Intel H61 Express. Acer used a low-quality controller for the 4 SATA ports
Official updates should be sourced directly from the Acer Support Drivers page using your system's serial number or SNID. | Connector | Label | Pins | Purpose