| Rail | Source IC | Present when… | |---------------|----------------------------|----------------------| | +3VSB | Always-on regulator | Standby power | | +5VSB | ATX standby | Standby power | | +VCC_RTC | Battery+SB | Always | | +1.05V_ME | LDO from 3VSB or 5VSB | PCH needs standby | | VCC_IO/PLL | Small MOSFETs | After SLP_S3# | | VDDQ/VTT_DDR | PWM controller (e.g., RT8120) | After SLP_S3# | | Vcore | Multi‑phase PWM (ISL6362 etc.) | After VRM_EN | | +VCC_GFX | Secondary phase(s) | After Vcore | | +VCCSA | Same or separate PWM | After Vcore |
The Foxconn 115XDBP is a widely deployed OEM motherboard found in millions of desktop computers worldwide. Built for the Intel LGA 115x socket family, this board serves as the backbone for various budget and enterprise desktop systems.
: Foxconn schematics are highly revision-specific. A schematic marked Rev 1.0A may feature different component placements or power ICs than a Rev 2.0 board. Always verify the silkscreen printed directly on the motherboard layer. 2. Core Architecture of the Foxconn 115xDBP Platform
: Includes standard VGA, USB 2.0/3.0, and RJ-45 Ethernet connectivity. 115XDBP Foxconn Socket 1155 Motherboards - Bob Shop foxconn 115xdbp motherboard schematic
The it came from (e.g., HP ProDesk, Dell OptiPlex) The problem you are having (e.g., no power, no boot) Any number printed on the board that isn't 115xdbp Share public link
No direct download link is provided here, but you can search using these methods:
: Features a specialized DC-in power jack, typical for Thin Mini-ITX boards that use external power bricks rather than standard ATX power supplies. Bus Architecture | Rail | Source IC | Present when…
Schematics display theoretical electronic paths but omit physical component locations. Always pair your "Foxconn 115xDBP schematic" search with a matching Boardview file (.BDV or .CAD) . This software acts as a visual map, showing you exactly where a specific resistor or capacitor is physically located on the PCB.
Use isopropyl alcohol (IPA) or a thermal camera while injecting voltage. The shorted component (usually a ceramic capacitor or a MOSFET) will heat up rapidly and vaporize the alcohol or glow on the camera.
A circuit diagram (schematic) explains how components connect logically, but it does not show where they sit on the physical PCB. To bridge this gap, technicians use a (usually in .BRD , .BDV , or .CAD formats) alongside software like OpenBoardView. A schematic marked Rev 1
Foxconn utilizes specific internal model codes rather than retail marketing names.
While specific schematics are often proprietary, the 115xDBP typically includes the following features common to its class: Form Factor : Thin Mini-ITX (low-profile height). : Two DDR3 SO-DIMM slots (laptop-style RAM).
Even without a schematic, you can learn a great deal about a "115XDBP" board by observing its physical features and context. Forum posts, sales listings, and user queries reveal that the "115XDBP" label appears on a surprisingly wide array of chipset platforms. Let's compile the known technical data:
Once all voltages stabilize, a "Power OK" signal is sent to the CPU to initiate the POST (Power-On Self-Test) routine. 3. Navigating the Schematic Diagram
A motherboard does not turn on all at once; it powers up in sequential stages.