Hig41uatx Rev 11 Schematic [ LEGIT ]

HP H-IG41-uATX (Eton) motherboard, particularly revision 1.1, is a micro-ATX board commonly found in HP and Compaq desktop PCs like the HP Compaq 500B

and Compaq Presario CQ3000 series. While full electrical schematics are typically proprietary to manufacturers like Foxconn, comprehensive technical guides and specification sheets are available to help with troubleshooting and repairs. The Retro Web Core Specifications & Architecture Manufacturer Name Foxconn H-IG41-uATX (Eton) : Intel G41 Express (Northbridge) / ICH7 (Southbridge).

: LGA 775, supporting Intel Core 2 Quad, Core 2 Duo, Pentium Dual-Core, and Celeron processors.

: Two 240-pin DDR3 DIMM slots supporting up to 4GB (officially) or 8GB (unofficially) of 1066/1333 MHz non-ECC RAM. The Retro Web Key Connectors & Pinouts

: Standard ATX 2.x (24-pin) and ATX P4 (4-pin) 12V connectors. Expansion Slots 1x PCIe x16 (for graphics). 2x PCIe x1. 1x PCIe mini-card (half-height). : 4x SATA II 3Gb/s interfaces.

: VGA port, 4-6 USB 2.0 ports, RJ-45 (LAN), and 3 audio jacks. The Retro Web Troubleshooting & Manual Resources Manuals & Specs

: You can find detailed specification papers and user instructions on Manuals.plus

which cover CMOS clearing, password settings, and board layouts. Schematic Inquiries hig41uatx rev 11 schematic

: For deep-level component repair (e.g., checking bios chip voltages or regulators), community forums like the HP Support Community

often host discussions where users share specific measuring point data. Component Drivers

: Legacy support for BIOS and drivers (Realtek audio/LAN) can be referenced through archival sites like The Retro Web for the PDF manual or specific voltage measurement points for troubleshooting? Foxconn H-IG41-uATX (REV:1.0) - The Retro Web 3 Mar 2026 —

H-IG41-uATX (Rev 1.1) , also known by its manufacturer name , is a micro-ATX motherboard commonly used in HP and Compaq desktop computers (such as the HP Pavilion p6000 series).

While a full "paper" on its internal schematics is typically proprietary to the manufacturer (Eton/HP), the following technical profile serves as a comprehensive reference for its design and architecture. 1. Core System Architecture Form Factor: micro-ATX (

Intel G41 Express (Northbridge) and Intel ICH7 (Southbridge). CPU Socket:

LGA 775, supporting Intel Core 2 Quad (up to 95W), Core 2 Duo, Pentium Dual Core, and Celeron processors. Front Side Bus (FSB): Supports 800/1066/1333 MHz speeds. 2. Memory and Expansion Two 240-pin DDR3 DIMM slots. Supports DDR3-800/1066 MHz. Maximum capacity: 4 GB (2 x 2 GB). Expansion Slots: 1 x PCI Express x16 (Gen 2.0). 2 x PCI Express x1. 1 x PCI slot. 3. Integrated Graphics & Audio HP H-IG41-uATX (Eton) motherboard, particularly revision 1

Integrated Intel GMA X4500, which utilizes shared system memory. Realtek ALC662 integrated 5.1 channel HD audio. Networking: Realtek RTL8103EL 10/100 Mbps Ethernet. 4. Internal and Rear I/O Interface 4 x SATA II (3.0 Gbps) ports. Rear Ports: 4 x USB 2.0. 1 x RJ-45 (LAN). 3 x Audio jacks (Line-in, Line-out, Mic-in). Internal Headers:

Support for additional USB 2.0 ports and standard front-panel audio/power switches. 5. Installation and Documentation Resources

For detailed troubleshooting and installation steps, you can refer to the HP 582679-001 (H-IG41-uATX) User Manual H-IG41-uATX Scribd document

. These resources provide pinout diagrams and jumper settings necessary for manual assembly or repairs. pinout configurations for the front panel or power connectors?

Title: Diving Deep into the HIG41UATX Rev 11: A Schematic Breakdown for Repair Techs

If you work in electronics repair, specifically motherboard refurbishment, you know the name Foxconn well. You also know that finding accurate documentation for older boards can be a nightmare. Today, we’re taking a closer look at a workhorse from the LGA 775 era: the HIG41UATX Rev 11.

Whether you are trying to revive a dead board or just studying Intel 4-series architecture, understanding the schematic of the HIG41UATX Rev 11 is a great case study. Here is a breakdown of the critical sections you need to know. Who Is This Schematic For

Who Is This Schematic For?

| User Type | Usefulness | |------------------------------------|----------------| | Hobbyist retro PC builder | Moderate – only if board is dead | | Professional repair shop owner | High – essential for profitable repairs | | Electrical engineering student | Medium – good study of G41 architecture | | Casual user with a dead PC | Low – too technical, no step-by-step |

Practical Use Case: Repairing a Dead Board

I tested the schematic on a real HIG41UATX board with symptoms: “Fans spin, no POST, no beeps.” Using the schematic:

  1. Located the IT8718F-S power pins (pin 61 = VCC, pin 72 = VSB) – found 3.3VSB present.
  2. Traced PWRBTN# signal from front panel header (page 28) to the super I/O – signal toggled correctly.
  3. Checked VRM enable (EN pin of RT8802A on page 12) – 0V instead of 3.3V. The schematic pointed to a pull-up resistor (R198, 10kΩ to 12V). R198 was corroded.
  4. Replaced resistor – board POSTed successfully.

Without the schematic, this repair would have been guesswork. So despite its flaws, it’s practically invaluable.

Understanding the Provided Information

  • "hig41uatx": This seems to be the identifier or model number of the device or circuit for which the schematic is drawn. Without further context, it's difficult to say what kind of device this is. It could be a piece of electronic equipment, a module, or a subsystem.

  • "rev 11": This likely indicates the revision number of the schematic or the device it represents. Revision numbers are used to track changes over time, with "rev 11" suggesting that there have been 10 previous revisions. This could imply a level of development or refinement in the design.

1. The Platform Context

The HIG41UATX is built around the Intel G41 Express Chipset (Northbridge) paired with the ICH7 (Southbridge). This was the "budget king" era of computing. These boards are robust, but they have specific failure points that are easily identified if you know how to read the schematic.

Why Rev 11 Matters: Board revisions often change minor components—resistor values, capacitor placements, or VRM configurations. If you are troubleshooting a Rev 11 board using a Rev 1.0 schematic, you might find discrepancies in the voltage regulator section. Always try to match the revision to avoid chasing ghosts.