C9X299-PGF-L - Motherboard Supermicro - Free user manual and instructions
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| Product Type | Motherboard |
| Brand | Supermicro |
| Model | C9X299-PGF-L |
| Form Factor | ATX (12.0 x 9.6 inches / 305 x 244 mm) |
| Weight | Approximately 1.2 kg (2.65 lbs) |
| Chipset | Intel X299 Express |
| CPU Socket | LGA 2066 |
| Supported Processors | Intel Core X-series (Skylake-X, Kaby Lake-X) |
| Memory Support | Quad-channel DDR4, up to 128GB, 4 slots |
| Expansion Slots | 3x PCIe 3.0 x16, 2x PCIe 3.0 x1 |
| Storage Interfaces | 6x SATA III, 2x M.2 (PCIe 3.0 x4 & SATA) |
| USB Ports (Rear) | 2x USB 3.1 Gen2 (Type-A + Type-C), 4x USB 3.0 |
| Networking | 2x Intel Gigabit LAN (I211-AT) |
| Audio | Realtek ALC1220 7.1-channel HD Audio |
| Power Connectors | 24-pin ATX, 8-pin CPU |
| BIOS | AMI UEFI with overclocking support |
| Fan Headers | 5x 4-pin PWM |
| RGB Support | 2x 4-pin RGB headers |
| Operating Temperature | 0°C to 50°C (32°F to 122°F) |
| Safety Precautions | Handle by edges, avoid static discharge, unplug power before installation |
| Maintenance | Clean with dry cloth, avoid liquids; update BIOS via USB |
| Spare Parts & Repairability | CMOS battery CR2032 replaceable; thermal pads on VRM heatsink replaceable |
| General Information | Designed for high-performance workstations and gaming; supports ECC memory (with Xeon-W processors) |
Frequently Asked Questions - C9X299-PGF-L Supermicro
What processors are compatible with the C9X299-PGF-L?
This motherboard supports Intel Core X-series processors on LGA 2066 socket, including Skylake-X and Kaby Lake-X. For specific models, check the official CPU support list.
How do I update the BIOS on this motherboard?
Download the latest BIOS from Supermicro's website, save it to a FAT32 USB drive, enter the UEFI BIOS, and use the M-Flash utility to update.
Can I use ECC memory with this board?
Yes, but only when using Intel Xeon-W processors. With Core i9 CPUs, non-ECC registered memory is required.
What is the maximum RAM capacity?
The board supports up to 128 GB of DDR4 RAM across four slots, with quad-channel configuration.
Does the motherboard support multiple graphics cards?
Yes, it has three PCIe 3.0 x16 slots that support 2-way SLI/CrossFire or 3-way CrossFireX.
How can I reset the CMOS?
Short the two CMOS clear pins (labeled 'CLR_CMOS') with a jumper or metal tool for 10 seconds while the system is unpowered,
What operating systems are supported?
Fully compatible with Windows 10/11 (64-bit) and major Linux distributions like Ubuntu, CentOS, and RHEL.
How do I enable XMP for memory overclocking?
Enter the UEFI BIOS, go to the Ai Tweaker or Overclocking section, and enable XMP profile. Ensure your RAM is rated for the speed.
What is the warranty period for this motherboard?
Supermicro typically offers a 3-year limited warranty. Check with your retailer for exact terms.
How many M.2 slots are there and what type?
Two M.2 slots: one supports PCIe 3.0 x4 (NVMe) and SATA, the other supports PCIe 3.0 x4 only. Both are 2280 length.
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USER MANUAL C9X299-PGF-L Supermicro
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Product information
Brand : Supermicro
Model : C9X299-PGF-L
Category : Motherboard