H-ig41-uatx Rev 1.1 Manual Jun 2026

Detailed documentation for systems using this board can be found via the HP Support Community or on community-driven sites like The Retro Web .

For a motherboard as integrated into the HP ecosystem as this one, community knowledge is often your best tool. The following communities and resources have long and active histories of supporting users who encounter issues with this specific model: h-ig41-uatx rev 1.1 manual

The H-IG41-UATX Rev 1.1 is a micro-ATX board. Below is the verified specification table from the factory manual:

Intel G41 Express (Northbridge) and ICH7 (Southbridge). Integrated Graphics: Intel GMA X4500. CPU and RAM Compatibility

| Pin | Signal | Pin | Signal | |-----|--------|-----|--------| | 1 | HDD_LED+ | 2 | PWR_LED+ | | 3 | HDD_LED- | 4 | PWR_LED- | | 5 | GND (Reset) | 6 | PWR_BTN+ | | 7 | RESET- | 8 | PWR_BTN- | | 9 | NC / Key (missing pin) | 10 | GND (extra) | Below is the verified specification table from the

Do not attempt to use 8GB single sticks. Stick to 2GB or 4GB dual-sided modules. 2. CPU Support Limits

| Connector | Label | Function | |-----------|-------|----------| | | CPU_FAN | 4-pin PWM CPU fan | | SYS_FAN | SYS_FAN | 3-pin chassis fan | | ATX_POWER | ATX_24P | Main power (24-pin) | | ATX_12V | ATX_4P | CPU power (4-pin) | | DIMM_A1/B1 | DDR3 | Memory slots | | SATA1-4 | SATA1~4 | SATA 2.0 ports | | IDE | PATA | 40-pin IDE (master/slave) | | F_PANEL | F_PANEL | Front panel switch/LED header | | USB | F_USB1/2 | Front USB 2.0 (9-pin) | | AUDIO | F_AUDIO | Front panel HD Audio/AC’97 | | CLR_CMOS | CLR_CMOS | 2-pin jumper to clear BIOS | | COM | COM | Serial port header (optional) | | SPEAKER | SPEAK | 4-pin speaker header | | CD_IN | CD_IN | Analog CD audio input (4-pin) |