The Foxconn 115xDBP is an OEM-oriented motherboard often found in pre-built desktop systems from manufacturers like Lenovo or HP. While official technical schematics are typically proprietary to Hon Hai Precision Industry (Foxconn), the board’s architecture follows a standardized layout based on the Intel LGA 1155 (Socket H2) platform. Core Architectural Layout
The schematic of the 115xDBP is built around a centralized communication hub, typically using the Intel H61 chipset to manage data flow between the processor and peripherals.
Processor Socket (LGA 1155): Supports 2nd and 3rd Generation Intel Core (Sandy Bridge and Ivy Bridge) processors, such as the i3-2120 or Pentium G630T.
Memory Architecture: Features two DDR3 DIMM slots supporting dual-channel memory configurations.
Expansion Bus: Includes one PCI Express x16 slot for dedicated graphics and multiple PCIe x1 or legacy PCI slots for additional expansion cards. Power Delivery & Management
The board utilizes a multi-phase voltage regulator module (VRM) to convert the 12V input from the power supply into the precise, low-voltage DC required by the CPU. 915P7AC&915G7AC-foxconn-English manual-V1.0.p65
The blueprints for the " Foxconn 115xDBP " are often shrouded in mystery because the name actually refers to the LGA 115x CPU retention bracket (the metal arm and frame) rather than a specific motherboard model. This confusion forms the heart of our story. The Ghost in the Machine
The lab was silent, save for the hum of a single flickering overhead light. Elias stared at the green PCB on his workbench. It was an enigma—a Foxconn board with no clear model number, only the stamp 115xDBP etched into the steel of the CPU socket. foxconn 115xdbp motherboard schematic
He had spent weeks scouring the dark corners of the internet for a schematic. Every forum thread ended in a dead-end; every "Download PDF" link led to a 404 or a generic driver manual. To the world, this board didn't exist. It was a "zombie" component, likely salvaged from a proprietary OEM machine that had long since been scrapped.
With a sigh, Elias took his multimeter to the power rails. He wasn't just looking for a short; he was looking for a signature. He traced the lines from the Northbridge, which managed the high-speed chatter between the CPU and the RAM, down to the Southbridge, the silent gatekeeper of the USB ports and hard drives. Without the schematic, he was a blind man feeling the walls of a cathedral.
Just as he was about to give up, he noticed a tiny, white PWA sticker tucked near the DIMM slots. It wasn't a model number—it was a serial key. He typed it into an old industrial database. The screen flashed.
The schematic finally bloomed across his monitor: a complex web of traces and capacitors. It wasn't just a motherboard; it was a prototype for a system that never went to market. Elias realized then that he wasn't just repairing a piece of junk—he was holding a piece of digital history that had been lost in the manufacturing giant's archives. He soldered the final capacitor into place, flipped the switch, and watched as the ghost in the machine finally roared to life. Help! ~ Foxconn MOBO Identification ~ Foxconn 115XSBP 46R1
Finding a full component-level schematic for the Foxconn 115XDBP
can be difficult as Foxconn typically does not release these documents to the public. However, this motherboard is an LGA 1155 socket board based on the Intel H61 chipset, which follows a standard layout for 2nd and 3rd Generation Intel Core processors. Core Specifications
Socket Type: LGA 1155 (Socket H2), compatible with Intel 2nd and 3rd Gen processors. The Foxconn 115xDBP is an OEM-oriented motherboard often
Memory: 2x DDR3 DIMM slots, typically supporting up to 16GB.
Expansion Slots: 1x PCI Express x16 (for graphics cards), 1x PCI Express x1, and 1x legacy PCI slot. Storage: SATA 2.0 (3Gb/s) ports.
I/O Ports: Ethernet (RJ-45), multiple USB 2.0/3.0 ports, and onboard VGA/DVI outputs. Front Panel Connector Pinout Guide
If you are looking for the schematic primarily to wire your case, the front panel header (usually labeled JFP1 or FRONT_PANEL) follows a standard 9-pin layout common to many Foxconn boards: Pin Number Pin Number 1 Hard Drive LED (+) 2 Power LED (+) 3 Hard Drive LED (-) 4 Power LED (-) 5 Reset Switch (-) 6 Power Switch (+) 6 Reset Switch (+) 8 Power Switch (-) 9 Reserved/Empty 10 No Pin (Key) Installation & Troubleshooting Tips
CPU Support: Since this is an H61 chipset board, it natively supports 2nd Gen (Sandy Bridge) CPUs like the i3-2120 or Pentium G630T. Ensure your BIOS is updated if you plan to use a 3rd Gen (Ivy Bridge) processor.
Power Requirements: A standard 24-pin ATX power supply and a 4-pin CPU power connector are required. It is recommended to use a grounded wrist strap when handling the board to prevent static damage.
Manuals & Documentation: You can find archived user guides and technical documents on platforms like Scribd and ManyManuals. 915P7AC&915G7AC-foxconn-English manual-V1.0.p65 Block Diagram – High-level data flow between PCH,
If you're looking for the Foxconn 115XDBP motherboard schematic, here are a few steps you can take:
Most Foxconn OEM schematics follow Intel’s reference design with 6-8 pages:
Let’s look at a practical scenario. Imagine you have an 115xDBP board that does not turn on.
Step 1: Locate the Power Button Signal
Open the schematic and search for PWRBTN#. You will see it traces from the front panel header pin to the Super I/O or EC chip.
Step 2: Check the SLP Signals
If the EC receives the power button signal, it should send a signal to the Southbridge/PCH asking for permission to power on. The schematic shows signals labeled SLP_S4# and SLP_S3# coming back from the PCH.
Step 3: Diode Mode Measurements The schematic lists the value of resistors and capacitors. If you suspect a short on the 3.3V rail, you can use the schematic to identify every component connected to that rail (decoupling capacitors, pull-up resistors). You can then remove or lift components until the short clears, pinpointing the culprit.
Without schematic: Replace all USB ports. With schematic:
Without schematic: Check fuses blindly. With schematic:
The most common failure in older motherboards is the Power Delivery System. Using the schematic, you can trace the +5VSB (standby voltage), PS_ON signal, and VRM (Voltage Regulator Module) phases. Without it, you’re probing blindly.
