+-------------------------------------------------+ | Intel LGA 775 CPU | +-------------------------------------------------+ | FSB 800/533 MHz | v +-------------------------------------------------+ | Intel 945GC MCH (Northbridge) | +-------------------------------------------------+ / | \ / | \ v v v +-------------------+ +-------------------+ +------------------+ | PCI Express x16 | | DDR2 DIMM Slot 1 | | Integrated GMA | | Graphics Interface| | DDR2 DIMM Slot 2 | | 950 Video Engine | +-------------------+ +-------------------+ +------------------+ | Direct Media I/F | v +-------------------------------------------------+ | Intel ICH7 I/O Controller | +-------------------------------------------------+ / | | | \ / | | | \ v v v v v +-----------+ +-----------+ +---------+ +------------+ +-----------+ | 4x SATA | | 1x IDE | | Realtek | | PCIe x1 & | | ITE Super | | Ports | | Connector | | Audio / | | PCI Slots | | I/O (PS/2,| | (3.0Gb/s) | | (ATA100) | | LAN ICs | | (Expansion)| | COM, LPT) | +-----------+ +-----------+ +---------+ +------------+ +-----------+ Critical Board Pinouts & Header Wiring
4 x SATA II internal ports and 1 x Ultra DMA IDE connector.
LGA 775, supporting Intel Core 2 Quad, Core 2 Duo, Pentium, and Celeron processors.
LGA 775 motherboards often experience capacitor failures over time. Use the schematic to identify the exact microfarad ( Schematic Main Foxconn N15235 45cmx
Compact Micro-ATX (roughly 24.4 cm x 21.9 cm or 9.6” x 8.6”) Main Board Schematic Map & Block Diagram
Using a schematic for the Foxconn 45CMX helps trace component failures on a board that will not turn on or pass the Power-On Self-Test (POST):
Power, Reset, HDD LED, and Power LED connectors (located at the bottom right). 3. Rear I/O Panel Ports Use the schematic to identify the exact microfarad
Adding to the complexity, the N15235 label is also found on a completely different platform. Several users have identified their N15235 motherboard as a that supports AMD Socket AM2 processors .
Does anyone have the schematic or boardview for the mainboard? This is the large 45cm x 45cm (~17.7" x 17.7") board — typically found in older all-in-one systems (e.g., HP TouchSmart or Compaq Presario AIOs).
A common challenge encountered by system builders dealing with legacy Foxconn N15235 Several users have identified their N15235 motherboard as
: Hosts the 45CMX & 45GMX Series Manual (v1.2) , which includes the board layout and connector pinouts.
The label stamped on the PCB is not a singular motherboard model. It is a regulatory compliance marking indicating compliance with Australian Communications Media Authority (ACMA) standards. Hardware manufacturers like Foxconn stamped this number across a broad line of OEM-grade motherboards shipped to major system integrators like Dell, HP, Gateway, and Acer.
Therefore, when searching for a schematic, you must first identify which exact motherboard you have by looking for the specific model number printed on the board itself, usually near the CPU socket or RAM slots.
Essential for diagnosing "no-post" conditions where the CPU fans spin but no data initializes. 2. The Clock Generator (CLK Gen)
Remember: always ground yourself before probing, verify voltages carefully, and when in doubt, refer back to the schematic. Happy repairing!