Plug the power cord back in, power up, and press during startup to enter the setup screen without a password prompt. Clearing CMOS Settings (Resetting BIOS to Default)

The H-IG41-uATX uses DDR3 memory, not DDR2, which is crucial for upgrades. 240-pin DDR3 SDRAM DIMMs.

This reference manual provides technical specifications, comprehensive layout documentation, connector pinouts, system upgrade pathways, and vital troubleshooting procedures for maintaining or revitalizing this system architecture. 1. Technical Specifications Overview

The external ports typically found on the back of the case:

2 x 240-pin DDR3 DIMM slots (Dual Channel, Non-ECC, Unbuffered)

According to documentation on the HP Support Forums , the system board expects unbuffered, non-ECC DDR3 configuration modules. Strict RAM Requirements:

Older SATA II SSDs or specific mSATA adapters with manual switches (like "NFHK" models) have been more successful for booting. 3. CPU Upgrades & Microcode