: Located near the end of the memory slots, this point must read exactly 0.75V . Chipset Rails Northbridge (
2 x DDR3 DIMM slots (Dual-channel, typically up to 8GB total) Form Factor: Micro-ATX (uATX) Expansion: 1 x PCIe x16, 1 x PCIe x1, 2 x PCI slots
LGA 775 (Supports Core 2 Quad, Core 2 Duo, Pentium, Celeron) Chipset: Intel G41 Express + ICH7
: Chipset termination voltage and core logic supply for the G41 Northbridge. 4. CPU VCore Rail hig41uatx rev 11 schematic verified
When reading the HIG41UATX Rev 1.1 schematic document, keep these naming conventions in mind:
Multiphase CPU Voltage Regulator Modules (VRMs) flank the LGA 775 socket. If your multi-meter detects a direct continuity short to ground on the +12V 4-pin ATX CPU power connector, cross-reference the schematic to locate the specific high-side or low-side MOSFET that has failed internally. Practical Repair and Modding Applications
Using the schematic (often labeled under Foxconn's internal designation for this board), focus on these sections: : Located near the end of the memory
What the board shows (e.g., completely dead, fans spin but no display, resetting loop).
The HIG41UATX Rev 1.1 is a legacy motherboard commonly found in OEM desktop systems, particularly Lenovo ThinkCentre and Essential series machines (often associated with models like the Lenovo H320). Built on the Intel G41 Express chipset and featuring the LGA 775 socket, this board bridges DDR3 memory support with classic Intel Core 2 Duo and Core 2 Quad processors.
, actual circuit diagrams (schematics) and boardview files are often hosted on: BIOS & Firmware: CPU VCore Rail When reading the HIG41UATX Rev 1
To tailor this guide further, let me know what specific issue you are experiencing with the board:
The G41/ICH7 chipset is notoriously picky about the 32.768 kHz crystal oscillator near the Southbridge. If the CMOS battery is completely dead or the crystal capacitors are shorted, the Southbridge will not release the power-on sequence signals ( SLP_S3# , SLP_S5# ).
When the power supply unit (PSU) connects to the board, it delivers . This standby voltage routes directly to linear drop-out (LDO) regulators to generate: