The is a micro-ATX motherboard (noted by the "45CMX" marking, likely referring to a 45cm max dimension or a specific OEM chassis code). It’s most commonly found in pre-built office PCs from brands like HP Compaq (dx系列), Acer, or eMachines from the late 2000s. The schematic is the official circuit diagram showing every resistor, capacitor, power rail, and IC connection.
: 1x PCI Express x16, 1x PCI Express x1, and 2x PCI slots. Storage : 4x SATA II ports and 1x IDE (PATA) connector. Form Factor : Micro ATX, measuring approximately Common Maintenance Notes
| Symbol | Meaning | |--------|---------| | | Main power rail (e.g., VCC12, VCC5) | | VSB | Standby power (e.g., +3VSB) | | PG | Power Good signal | | EN | Enable pin for voltage regulator | | NC | Not Connected | | R * | Resistor (e.g., R512 = 10kΩ) | | C * | Capacitor | | Q * | Transistor or MOSFET | | U * | IC (e.g., U20 = Super I/O) | | TP * | Test point | | P_VCCORE | CPU core voltage | Schematic Main Foxconn N15235 45cmx
Foxconn N15235 is not a specific motherboard model but rather a supplier code (ACA number) used by Foxconn to signify legal sale in Australia. In practical use, this label is most commonly found on the Foxconn 45CMX
: Intel Core 2 Duo, Pentium Dual-Core, Pentium D, Pentium 4, and Celeron processors (LGA 775 socket). The is a micro-ATX motherboard (noted by the
As these boards are well over a decade old, they are considered obsolete for modern applications and finding official schematics is extremely difficult.
Whether you are dealing with a no-power condition, a short circuit, or a dead CPU VRM, having the correct schematic transforms guesswork into methodical troubleshooting. In this comprehensive article, we will explore everything you need to know about the Foxconn N15235 45cmx board, where to find its schematic, how to read it, and common repair scenarios. : 1x PCI Express x16, 1x PCI Express x1, and 2x PCI slots
Integrated Realtek High Definition Audio and Realtek Ethernet controller.
Pay special attention to —they are the same across multiple pages. For example, +12V_IN on page 2 connects to +12V_IN on page 5.
When analyzing the engineering schematic or physical layout of the 45CMX, the architecture is divided into distinct power planes and signaling pathways.
LGA 775 socket supporting Intel Core 2 Duo, Core 2 Quad, Pentium Dual-Core, Pentium 4, and Celeron processors.