is a proprietary motherboard frequently found in Acer and Gateway desktop models like the Acer Aspire ATC-105-UR11 Gateway DX4380G
. Because it is an OEM (Original Equipment Manufacturer) part, Acer typically does not provide a standalone technical manual for the board itself; instead, information is usually found within the service guide or general user manual of the host desktop. Acer Community Motherboard Specifications
Despite the lack of a dedicated manual, the key specifications for this board include: Processor Socket: Socket FM2+ , supporting AMD processors (e.g., A-series APUs). Supports up to 16GB of DDR3 RAM across its slots. Expansion Slots:
Features one PCIe x16 slot, one PCIe x1 slot, and one standard PCI slot. Includes four SATA ports for connecting drives. Audio/Video: Features integrated graphics and audio controllers. Acer Community Key Installation & Maintenance Tips RAM Installation:
For boards with four slots, it is recommended to install the first module in the slot and the second in to leverage dual-channel mode. BIOS Reset:
If you need to clear the BIOS, locate the clear jumper and move it to the 2-3 position for approximately 30 seconds before returning it to 1-2. Hardware Limits:
This board is designed for AMD chips only; it is not compatible with Intel i5 or similar Intel processors. Google Groups How to Find Official Support Documents
To find the closest available documentation for your specific desktop model: Acer Support Enter your Serial Number to identify the exact desktop model your was shipped in Navigate to the section to download the User Manual for the entire system. for the front panel or a BIOS update for this board? AI responses may include mistakes. Learn more Acer Aahd3-vc Motherboard Manual - Google Groups
The Acer AAHD3-VC Go to product viewer dialog for this item.
is a Micro-ATX proprietary motherboard commonly found in pre-built desktop systems like the Acer Aspire ATC-105 and Aspire M3420. Because it is an OEM board, Acer does not provide a standalone manual; however, critical technical details are compiled below for upgrades and repairs. 🛠️ Technical Specifications Socket: AMD Socket FM2 / FM2+ Form Factor: Micro-ATX Chipset: AMD A75 (typical for this series) RAM: Max Capacity: 16GB Type: DDR3 (non-ECC, UDIMM) Slots: 4 DIMM slots Expansion: 1x PCIe x16, 1x PCIe x1, 1x PCI Storage: 4x SATA III (6Gb/s) ports 🔌 Front Panel Pinout (Crucial for Case Swaps)
Since the board lacks a standard manual, the pin layout is the most sought-after information. The front panel header is typically a 14-pin block (7x2) located on the lower right edge of the board. 1 & 2 HDD-LED Hard Drive Activity (1 is Positive) 2 & 4 PWR-LED Power Status Light 5 & 7 RESET Reset Switch (Polarity doesn't matter) 6 & 8 PWR-SW Power Button (Polarity doesn't matter) 12 & 14 LAN-LED Network Activity Light (Often unused in third-party cases)
Note: Pin 1 is usually marked by a small white square on the motherboard's silkscreen. 🚀 Upgrade Potential & Limitations
CPU: Supports AMD A-Series APUs (e.g., A10-5700, A10-6700). The top-tier compatible chip is generally considered the AMD A10-6800K
RAM Rules: To enable dual-channel mode, you must fill slots 2 and 4 (labeled DIMMA2 and DIMMB2) first.
GPU: While it has a PCIe x16 slot, the stock power supply is often only 200W or 300W, which severely limits high-end graphics cards unless the PSU is also upgraded.
BIOS: BIOS updates for this board are notoriously difficult to find outside of the official Acer support site for the specific desktop model it came from.
Are you planning a case swap or a hardware upgrade?If you tell me which, I can give you specific advice on power supply compatibility or which RAM sticks will work best without causing "no post" issues. Explaining PC Front Panel Connectors
You're looking for the manual for the Acer AAHD3-VC motherboard! That's a specific and somewhat older model.
The Acer AAHD3-VC motherboard is a socket AM3 motherboard that supports AMD processors. Here are some key features:
Key Features:
If you're looking for the manual, I can try to help you with a few options:
The Acer AAHD3-VC is a Micro-ATX motherboard commonly found in Acer and Gateway desktop systems like the Aspire M3420, T3-100, and TC-105. While Acer does not provide a standalone manual for the motherboard itself, technical details are available through desktop service guides and community forums. Core Specifications
Socket: AMD Socket FM2 (Supports AMD A-Series "Trinity" and "Richland" APUs). Chipset: AMD A75 (Hudson D3). Form Factor: Micro-ATX. acer aahd3-vc motherboard manual
Memory: 4 x DDR3 DIMM slots, supporting up to 32GB of non-ECC RAM at speeds of 1333/1600/1866 MHz. Expansion and Connectivity Slots:
1 x PCI Express x16 (typically for discrete graphics cards). 1 x PCI Express x1. 1 x Standard PCI slot. Storage: 4 x SATA 6Gb/s (SATA 3) ports for HDDs or SSDs.
Rear I/O: Includes USB 3.0 (blue) and 2.0 ports, HDMI, and Ethernet (RJ-45). Installation and Setup Guide
When working with this board, reference the internal headers commonly used during setup:
F_PANEL: Used for case switches (Power/Reset) and indicator LEDs. F_USBF1~4: Internal headers for front-panel USB ports. F_AUDIO: Front-panel microphone and headphone jacks. ATX_POWER1: Main 24-pin power connector from the PSU. BIOS and Booting How to Enter Boot Menu Acer Aspire 3 Spin 14
Finding a formal, standalone "story" or manual for the Acer AAHD3-VC motherboard is a common challenge for users because it is a proprietary OEM board
. This means Acer manufactured it specifically for use in pre-built desktop systems like the Aspire ATC-105-UR11 Gateway DX4380G , rather than selling it as a retail product. Acer Community The Quest for the Manual
The "story" for most owners begins with frustration. Because it is an OEM part, Acer does not provide a downloadable motherboard manual on their official support site. Instead, they offer general User Manuals
for the entire desktop unit, which often lack the technical pin-outs and jumper settings enthusiasts need. Acer Community Key Technical Specifications
Based on community findings and service guides, here are the essential details often sought in the missing manual: Socket & CPU Support : It features the AMD Socket FM2+
, making it compatible with AMD A-series processors (like the A10-6700). It is not compatible with Intel chips. Memory Configuration : Supports up to 16 GB of DDR3 Slot Priority : For dual-channel performance, you should fill slots DIMMA2 and DIMMB2 Requirement
: The board can be picky; installing the first module in DIMMA2 is often a requirement for the system to POST (Power-On Self-Test). Expansion Slots 1x PCI Express x16 (for graphics cards). 1x PCI Express x1. 1x Standard PCI slot. : 4x SATA ports for hard drives and optical drives. Google Groups Troubleshooting & Upgrades
Most users searching for this "story" are attempting to breathe new life into an old PC: BIOS Updates : You can find the latest BIOS by searching for the
(e.g., Aspire TC-105) rather than the motherboard name on the Acer Support page Power Supply
: The board typically pairs with a 200W or 300W power supply in its original casing. Acer Community Further Exploration Acer Community
to see how other users have mapped out the board's layout using service guides. Acer Support FAQ
for instructions on how to identify the correct BIOS version for proprietary boards. pin-out diagram (like the front panel headers) or help with a RAM upgrade Acer Aahd3-vc Motherboard Manual - Google Groups
The Acer AAHD3-VC is a proprietary Micro-ATX motherboard used in Acer desktop systems like the Aspire TC-105. While Acer does not provide a standalone manual for the motherboard itself, it is documented within the service guides for these specific desktop models. Core Specifications Socket: AMD Socket FM2 / FM2+. Chipset: AMD A75. Form Factor: Micro-ATX. Memory: Type: DDR3-SDRAM 240-pin. Capacity: Supports up to 16 GB. Slots: 4 slots (DIMMA1, DIMMA2, DIMMB1, DIMMB2).
Dual Channel: Install modules in slots A2 and B2 first to enable dual-channel performance. Storage: 4 SATA ports for HDDs or optical drives. Expansion Slots: 1 x PCI Express x16. 1 x PCI Express x1. 1 x PCI slot. CPU Support & Upgrades Stock CPU: Typically fitted with the AMD A10-6700. Verified Upgrades: AMD A10-6800K (4.1 GHz / 4.4 GHz Turbo). AMD Athlon X4 750K. Connector Pinouts
Because this is a proprietary board, the front panel headers may differ from standard layouts. According to Acer Community documentation, the 10-1 pin header is typically laid out as follows: 1 & 2 Polarized (+ on pin 1) 2 & 4 5 & 7 Reset Switch Not polarized 6 & 8 Power Button Not polarized 12 & 14 Sideways orientation Note: Pin 1 is usually marked by a white square on the PCB. Where to Find Official Support
The Acer AAHD3-VC is a MicroATX motherboard originally manufactured for Acer desktop series such as the Aspire TC-105, M3420, and T3-100. Since this is an OEM (Original Equipment Manufacturer) board, Acer typically provides a general system manual rather than a standalone motherboard manual. Key Hardware Specifications Acer Aahd3-vc Motherboard Manual - Google Groups
Since Acer does not typically release standalone PDF manuals for their OEM motherboards (like the AAHD3-VC) to the general public, this guide consolidates all available technical specifications, port layouts, and setup instructions based on the board's architecture and standard Acer Veriton chassis configurations. is a proprietary motherboard frequently found in Acer
This motherboard is primarily found in Acer Veriton desktop series (such as the Veriton Z2660G).
| Feature | Specification | | :--- | :--- | | Manufacturer | Acer (OEM by ECS or Pegatron) | | Form Factor | Micro-ATX (24.4cm x 24.4cm) – verify mounting holes | | Chipset | Intel B85 Express (PCH) | | Socket | LGA 1150 | | Supported CPUs | Intel Core i7-4xxx, i5-4xxx, i3-4xxx, Pentium, Celeron (Haswell) | | BIOS Type | AMI UEFI (64Mb Flash) |
If you want, I can:
If you're hunting for a dedicated Acer AAHD3-VC motherboard manual, you've likely noticed they're nearly impossible to find in a single PDF. Because this is a proprietary OEM board used in desktops like the Aspire TC-105, Acer typically only provides the general system user guide, which lacks detailed pinouts and motherboard-specific diagrams.
Below is a draft post you can use on forums (like Reddit or Tom's Hardware) or social media to get help or share what you've found. Draft Post: Help/Specs for Acer AAHD3-VC Motherboard
Subject: Seeking Pinout/Manual for Acer AAHD3-VC Motherboard (Aspire TC-105) Body:Hey everyone,
I’m currently working on a build/repair involving the Acer AAHD3-VC motherboard (often found in the Aspire TC-105-UR11 and similar models). Since Acer doesn't release a standalone manual for this proprietary board, I’ve put together the specs and pinouts I’ve gathered so far for anyone else in the same boat. Key Specifications: Socket: AMD Socket FM2 / FM2+. Memory: 4x DDR3 SDRAM slots (supports up to 16GB). Form Factor: MicroATX. Expansion: 1x PCIe x16, 1x PCIe x1, 1x PCI slot. Storage: 4x SATA ports. I/O: Integrated USB 3.0, HDMI, DVI, and VGA ports.
Front Panel Header Pinout (14-pin block):Based on community testing for these Acer/Foxconn OEM boards, here is the standard 14-pin layout (Pins are typically 2-4-6-8... on top, 1-3-5-7... on bottom): Pins 1 & 2: HDD LED (Polarity: 1+, 2-). Pins 3 & 4: Power LED (Polarity: 3+, 4-). Pins 5 & 7: Reset Switch. Pins 6 & 8: Power Switch. Pins 12 & 14: LAN LED (if applicable). Note: Pin 10 is usually missing as a "key".
Need more info?If you're looking for the official general system manual (which covers BIOS and basic setup), you can grab it from the Acer Support Site by entering your SNID or "Aspire TC-105".
Does anyone have a high-res photo of the motherboard's silkscreen or a leaked service guide with the jumper settings? Any help would be appreciated! Quick Tips for This Board:
BIOS Reset: If you need to clear the BIOS, look for a jumper labeled "CLEAR" or "CLR_CMOS." Move it from pins 1-2 to 2-3 for 30 seconds while the power is off, then move it back.
Power Supply: While many of these desktops originally came with a 200W or 300W unit, the board uses standard power connectors, making it compatible with most aftermarket ATX power supplies if you're upgrading the GPU.
Acer AAHD3-VC (also known as the "Virginia" or DB.SKN11.002 ) is a proprietary MicroATX motherboard used in Acer desktop models such as the Aspire M3420
. Because it is an OEM (Original Equipment Manufacturer) part, Acer does not provide a standalone motherboard manual; documentation is instead included in the general service guides for those specific desktop models. Core Specifications Socket Type: AMD Socket FM2 / FM2+. Form Factor: 4x DDR3 SDRAM slots, supporting up to Expansion: 1x PCI Express x16. 1x PCI Express x1. 1x PCI slot. 4x SATA ports. Front Panel Header Pinout
Connecting case cables to the front panel header (often labeled ) follows this standard 14-pin layout: Pin Number Pin Number HDD LED (+) Power LED (+) HDD LED (-) Power LED (-) Reset Switch (-) Power Switch (+) Reset Switch (+) Power Switch (-) No Connection Key (Empty) No Connection No Connection Active LED
Note: For LEDs, the positive (+) wire is usually colored, while the negative (-) is white or black. Memory Installation (Dual Channel)
To leverage dual-channel mode, memory modules must be installed in specific pairs. The slots are typically labeled DIMMA1, DIMMA2, DIMMB1, DIMMB2 Priority Slots: Install the first two modules in Requirement: If using only one module, it
be in DIMMA2 for the system to boot reliably in some configurations. Compatible Upgrades Acer Aahd3vc Motherboard Manual - Facebook
The Acer AAHD3-VC (also known as DB.GDF11.001) is a proprietary Micro-ATX motherboard used in Acer and Gateway desktops, such as the Aspire ATC-105-UR11. While a standalone manual for the motherboard is not officially available from Acer, the following technical report summarizes its core specifications and wiring diagrams based on community data. Core Specifications Socket Type: AMD Socket FM2 / FM2+ Chipset: AMD A75 Form Factor: Micro-ATX Memory: Type: 4x DDR3 SDRAM 240-pin slots Max Capacity: Up to 16 GB Speed: Supports up to 2133 MHz
Installation: Dual-channel mode is enabled by filling slots A2 and B2 first. Expansion Slots: 1x PCI Express x16 1x PCI Express x1 1x PCI slot Storage: 4x SATA ports Front Panel Connector (Jumper) Diagram
For users needing to rewire the board into a new case, the front panel header typically follows this 14-pin layout (though pin 10 is often missing): Acer Aahd3-vc Motherboard Manual - Google Groups
The Acer AAHD3-VC motherboard manual may not be a glossy retail PDF, but all of its secrets are documented in this guide and in the official Acer Aspire service guides. Remember: Supports AMD Socket AM3 processors (e
If you still need the official file, enter your full Acer desktop model number (not just the motherboard code) on Acer’s support site and download the Service Guide. That document contains 99% of what the standalone AAHD3-VC motherboard manual would include.
Last tip: Before performing any hardware changes, download a copy of the BIOS configuration screens or print this article. A single misplaced jumper or wrong RAM slot can lead to hours of frustration.
Happy building, and may your AAHD3-VC board run for another decade.
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Last updated: October 2025 – Includes all known BIOS revisions up to P11-A7.
Introduction
Congratulations on purchasing the Acer AAHD3-VC motherboard, a high-performance and feature-rich mainboard designed for desktop computers. This manual provides detailed information to help you install, configure, and troubleshoot your motherboard.
Specifications
Motherboard Layout
The Acer AAHD3-VC motherboard features a standard ATX form factor with the following components:
Installation
To install the motherboard, follow these steps:
Configuration
The Acer AAHD3-VC motherboard provides various configuration options:
Troubleshooting
If you encounter any issues with your motherboard, refer to the troubleshooting section:
Warranty and Support
The Acer AAHD3-VC motherboard is backed by a limited warranty and dedicated customer support. For more information, visit our website or contact our support team.
Conclusion
The Acer AAHD3-VC motherboard offers a reliable and high-performance platform for your desktop computer. With its robust features and user-friendly design, you can build a powerful system for gaming, multimedia, or productivity applications. If you have any questions or need further assistance, please don't hesitate to contact us.
Title: The Acer AAHD3-VC Motherboard: A Deep Dive into the Forgotten Workhorse (Specs, Upgrades, & Manual Guide)
Published: October 12, 2023 Category: Hardware Retrospective / PC Repair
If you have recently cracked open an old Acer desktop—think the Aspire X3995, M3985, or the ATC-605—you have likely come face-to-face with a peculiar piece of hardware: The Acer AAHD3-VC (sometimes labeled as AAHD3-VC Rev 1.0).
At first glance, it looks like a standard mATX motherboard. But finding a clear, user-friendly manual for OEM (Original Equipment Manufacturer) boards like this is notoriously difficult. Acer doesn’t host these PDFs on their main support page anymore.
I have spent the last week rebuilding a scrapped Aspire X3995, and I finally tracked down the technical details. Here is everything you need to know about the AAHD3-VC, including the BIOS settings, jumper locations, and upgrade paths that the official "manual" usually leaves out.