For sale is one Intel D850GB motherboard in 100% working condition, all functions tested in Windows. The BIOS has been updated to the most recent version 0078 from Oct 2001 to ensure proper CPU and memory compatibility. The I/O shield, Pentium 4 1.7GHz and 256MB RDRAM are included. All socket 423 motherboards require a special power supply with additional 6-pin AT-style power connector.Shipping will be via USPS. Feel free to ask any questions. This motherboard is guaranteed to fit your needs and is covered by a 30-day free return policy. If you aren't completely satisfied, please select the reason "doesn't fit" while opening the return, and you'll receive a free return shipping label. Please avoid selecting the "doesn't work or defective" reason, as this results in a penalty fee for the seller.