GA-8I955X Royal / GA-8I955X Pro is the user manual of Intel Pentium Processor Extreme Edition Intel Pentium D / Pentium 4 LGA775 motherboard, including product features, installation guide, troubleshooting and other information.
The Gigabyte GA‑81955X Royal/Pro motherboard manual provides detailed information on the board’s hardware layout, BIOS features, and regulatory compliance. It includes sections on the declaration of conformity, FCC and CE markings, and step‑by‑step guidance for configuring BIOS settings such as power management, integrated peripherals and PCI‑Express options.
Additional pages list rear‑panel connectors, supported CPUs, memory types, and contact information for Gigabyte service centers worldwide. The document is intended for end‑users and system builders who need to install, configure, and verify the motherboard’s operation.
| CPU socket | LGA775 |
|---|---|
| PCI Express x16 bus speed | DDRII 888 MHz |
| PCI Express bus frequency | 48 MHz |
| SATA interface speed | 3 Gb/s |
| PCI‑ECLK frequency | 100 MHz |
The motherboard is identified as GA‑81955X Royal or GA‑81955X Pro.
It complies with FCC Part 15 as a Class B Digital Device.