Using the layout schematic as a map, electronic repair shops trace circuit faults on the Foxconn 45CMX via standard voltage and resistance checking: 1. No Power / Completely Dead Board
Most boards bearing the N15235 mark share these general characteristics:
Integrated Realtek multi-channel audio codec and Fast Ethernet LAN chip. Decoding the Foxconn N15235 45CMX Schematic
The Foxconn N15235 is based on the and ICH7 Southbridge , making it a robust platform for Intel LGA 775 processors. It is a Micro-ATX board designed for budget, home, and office computers. While it lacks the overclocking features of high-end boards, its reliability made it a staple in the pre-built market. Key Identifier: N15235 (Labelled near the PCI slots) Model Number: 45CMX / 45GMX Series Form Factor: Micro-ATX (roughly 24.4 cm x 19.3 cm) 2. Technical Specifications & Features
Because "N15235" appears on many different boards, verify your model by looking for a printed name (e.g., Schematic Main Foxconn N15235 45cmx
: Provides a 32-page PDF circuit diagram specifically for the Foxconn MotherBoard 45CMX .
If you are trying to repair or upgrade this board, check for:
The schematic functions as a vital roadmap for tracking electrical failures on the board: The "No Display / No POST" Loop
Elektrotanya: A popular repository for schematics and BIOS dumps, such as the Foxconn G31MX-K (N15235) BIOS . Using the layout schematic as a map, electronic
Probe pin headers on the SPI Flash ROM chip containing your system BIOS dump to confirm active signal communication ( SPI_CS# , SPI_CLK ) during the initial power-on sequence.
1 x PCI Express x16 slot, 1 x PCI Express x1 slot, and 2 x legacy PCI slots.
Without clocks, the board is dead. This section shows the 14.318MHz crystal oscillator and the clock generator IC that distributes frequencies to the CPU, PCH, and LAN.
: Power Switch (PWR_SW) — Triggers the power supply to toggle the PS_ON line to ground. Pin 9 : Reserved / Empty Pin. 2. Clearing CMOS Data (CLR_CMOS Jumper) It is a Micro-ATX board designed for budget,
LGA 775 (Supports Intel Core 2 Duo, Pentium Dual-Core, Pentium D, Celeron). Chipset: Intel 945GC + ICH7. Form Factor: Micro-ATX ( or similar to 45cm × 45cm area).
: Includes four SATA ports and one IDE port for legacy drives . Finding the Full Schematic
: Must be active even when the PC is completely shut down. If missing, the board cannot respond to the physical power button signal. Share public link
Common retail model names that carry the N15235 mark include , , or P4M800P7MB General Pinout Information