LGA 1155 (Supports Sandy Bridge and Ivy Bridge processors).
If you have arrived here searching for the , you likely own a desktop computer—such as an HP Pavilion or Compaq Presario series—that uses the proprietary Pegatron 2AD5 motherboard. Pegatron is a prominent OEM (Original Equipment Manufacturer) that produces motherboards for major brands like HP, ASUS, and Apple. Unfortunately, finding a single, unified “Pegatron 2AD5 manual” directly from Pegatron can be challenging because these boards are typically sold inside pre-built systems.
The Pegatron 2AD5 (often referred to by its HP code name ) is a Micro-ATX motherboard commonly found in HP Pavilion and Envy desktop series, such as the HP Pavilion p7 . Because this is an OEM motherboard produced specifically for HP, Pegatron does not offer a standalone "retail" manual.
To get the most out of the Pegatron 2AD5 manual, follow these tips: pegatron 2ad5 manual
PC3-10600 (DDR3-1333) or PC3-12800 (DDR3-1600) Type: Non-ECC, unbuffered memory only Front Panel Header Pinout Diagrams
Locate the 3-pin jumper (usually near the coin-cell battery).
1 × 24-pin ATX power, 1 × 4-pin ATX 12V power CPU Compatibility and Limitations LGA 1155 (Supports Sandy Bridge and Ivy Bridge processors)
You must check if HP released a BIOS update (Version 8.xx or higher) for your specific desktop model. If no update is available, you are restricted to older graphics cards that feature a physical Legacy/UEFI dual-BIOS switch (like certain MSI or Sapphire models from the GTX 700 / R9 era). 2. SATA 2.0 Bottleneck
3 x SATA II (3.0 Gb/s) - Typically colored Blue (for HDDs/Optical) Rear: USB 3.0, USB 2.0 Internal: Headers for front panel USB ports. Networking: Integrated LAN (usually Realtek) Audio: Integrated High Definition Audio. 6. BIOS & Troubleshooting
The Pegatron 2AD5 is a proprietary Micro-ATX motherboard manufactured for HP, often referred to as "Chicago," which utilizes an Intel Z75 chipset, LGA 1155 socket, and supports 2nd/3rd Gen Intel processors. It supports DDR3 memory and PCIe 3.0, but its legacy BIOS frequently causes compatibility issues with modern graphics cards and it lacks native Windows 11 support. For more details, visit HP Support Community . Question - Does Pegatron 2AD5 motherboard support this GPU To get the most out of the Pegatron
Always verify the RAM configuration profile within the HP System Information Menu by hitting F10 during startup. 3. Modern Graphics Card Constraints
The LGA 1155 socket on the 2AD5 supports both 2nd (Sandy Bridge) and 3rd Gen (Ivy Bridge) Intel Core processors. LGA 1155 Supported TDP: Up to 77 W (e.g., Core i7-3770) Supported Processors: Intel Core i7-3770 / i7-3770k Intel Core i5-3570 / i5-3570k / i5-3470 Intel Core i3-3220 / i3-3240 Pentium/Celeron LGA 1155 variants. 4. Expansion Slots and Connectivity PCI Express x16: 1 Slot (Gen 3.0, typically used for GPUs) PCI Express x1: 3 Slots