The Hewlett Packard 1791 motherboard, also known as HP 5187-1791 or “Salsa,” is a legacy microATX motherboard built for HP and Compaq desktop computers in the early 2000s. Though it’s no longer used in modern systems, many tech enthusiasts and retro PC users still rely on it for restoration projects or legacy software needs.
One of the most important aspects of this board is understanding its compatibilidad de CPU—or CPU compatibility. In this article, we provide detailed and easy-to-understand information about this board, including supported processors, memory, ports, and tips for upgrades.
1. Overview of the HP 5187-1791 Motherboar
The HP 5187-1791 motherboard uses the Socket A (also called PGA462), which is compatible with several older AMD processors. It was a common motherboard in HP Pavilion and Compaq Presario models.
It comes equipped with the VIA KM266 chipset, which includes onboard graphics and basic connectivity. Though limited by today’s standards, this board offered solid functionality in its time.
2. Key Technical Specifications
To better understand what works with this board, here are its essential specs:
| Feature | Specification |
|---|---|
| Model | Hewlett Packard 5187-1791 |
| CPU Socket | Socket A (PGA462) |
| Chipset | VIA KM266 + VT8235 |
| RAM Type | DDR SDRAM (PC2100) |
| Max RAM Capacity | 2 GB (2×1 GB DIMMs) |
| Expansion Slots | 3 x PCI, 1 x AGP 4x |
| Graphics Support | Integrated VIA S3 ProSavage8 |
| Audio | Integrated AC97 audio |
| LAN | Integrated 10/100 Ethernet |
| Storage Ports | 2 x IDE (ATA-100) |
| Form Factor | MicroATX |
3. Hewlett Packard 1791 Motherboard Compatibilidad de CPU
Now let’s get into the most important part: hewlett packard 1791 motherboard compatibilidad de cpu. This board only supports AMD processors designed for Socket A.
✅ Supported Processors:
The following CPUs are officially compatible:
- AMD Duron – Basic, low-end CPU suitable for very light tasks
- AMD Athlon – Mid-range processor used in many desktop builds
- AMD Athlon XP – High-end processor for better performance
These processors must use the PGA462 socket. You cannot use any Intel CPU or newer AMD models like AM2 or AM4 processors.
Some newer Athlon XP chips may require a BIOS update to be detected correctly by the motherboard. If you’re unsure, it’s best to check the exact version of your BIOS and update it if needed using HP’s legacy support tools.
4. RAM Compatibility
The HP 5187-1791 supports DDR SDRAM (PC2100) with a maximum speed of 266 MHz. It has two memory slots and supports up to 2 GB total RAM (1 GB per slot).
Make sure to use memory modules of the same size and speed to avoid errors. Mixing RAM with different specifications can cause boot issues or instability.
5. Compatibility with Graphics and Storag
Even though the board has integrated graphics, it also supports AGP graphics cards, which were common at the time. This makes it suitable for upgrading the graphics performance slightly, especially for retro gaming or video playback.
Graphics
- Integrated GPU: VIA S3 ProSavage8
- Expansion slot: 1 x AGP 4x (for external graphics card)
Storage
- The board supports IDE (PATA) storage via 2 ports.
- SATA is not supported natively, but you can add a PCI-SATA adapter if needed.
6. USB, Audio, and Networking Ports
For its time, this motherboard provided decent connectivity options:
- 4 x USB 2.0 ports
- 3 x audio jacks (for mic, line-in, and stereo output)
- 10/100 Ethernet LAN port (RJ-45)
These ports are enough for standard use like connecting printers, keyboards, and speakers.
7. Compatible HP and Compaq PC Models
The hewlett packard 1791 motherboard was used in several HP and Compaq desktops, including:
- HP Pavilion 734n
- HP Pavilion a220n
- Compaq Presario 6410nx
- Compaq Presario SR1000 series
If you have any of these models, chances are you’re using or can use this motherboard as a replacement.
8. Upgrade Tips and Considerations
If you’re looking to upgrade a system with this motherboard, keep the following in mind:
- CPU Upgrades: Limited to Athlon XP series; make sure BIOS supports your chip.
- RAM: Use two matching DDR 266 MHz sticks for best performance.
- Graphics: Use an AGP card to improve video playback or retro gaming.
- Storage: Consider using a PCI to SATA adapter to install a modern hard drive or SSD.
- OS Recommendations: Windows XP or lightweight Linux distributions are ideal for this hardware.
9. Final Thoughts
The hewlett packard 1791 motherboard compatibilidad de cpu is very specific due to its age and hardware limits. Still, for retro tech enthusiasts or people maintaining older systems, it remains a useful and functional piece of equipment.
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