Acer Aahd3vc Motherboard Manual Exclusive ((top)) -

The Acer is an OEM motherboard typically found in the Acer Aspire TC-105 and Aspire TC-120

Hidden "Advanced" Tab (How to Unlock)

• Normal operation: Jumper on pins 1-2.
• Clear CMOS (reset BIOS): Move jumper to pins 2-3 for 10 seconds, then move back. Exclusive note: On some AAHD3-VC revisions, you must also unplug the 24-pin power cable for this to work.

HDD LED:

If moving the motherboard to a new case, use the following pin configuration for the front panel header (usually a 10-pin block with one pin missing): Pins 1 & 2. Power LED: Pins 2 & 4. Reset Switch: Pins 5 & 7. Power Button: Pins 6 & 8. LAN LED: Pins 12 & 14 (if applicable). acer aahd3vc motherboard manual exclusive

• Type: OEM µATX (Micro-ATX)
• Dimensions: 9.6 × 8.9 inches (approx. 244 × 226 mm)
• Layer Count: 4-layer PCB
• Proprietary: Yes – uses Acer-specific front panel header pinout and power LED connector.

Part 6: Where to Download Official Drivers (2026 Update)

Inside this hidden menu, you can modify: The Acer is an OEM motherboard typically found

RAM Upgrades – The Density Trap