Flashing a custom BIOS carries a risk of bricking your motherboard. Proceed at your own risk and ensure your PC is connected to an uninterrupted power supply (UPS).
| Model | Chipset | Memory Mode | BIOS Size | Key Features | |-------|---------|-------------|-----------|---------------| | | C612 | Quad‑Channel | 16 MB | TPM 2.0, active VRM cooling | | X99-K9S | C612 | Dual‑Channel | 8‑16 MB | TPM 2.0, white/orange color scheme | | X99-D4 | C612 | Quad‑Channel | 16 MB | Standard I/O configuration | | X99-H9 V2 | C226 (Lynx Point) | Quad‑Channel | 8 MB | Older platform, no TPM 2.0 | | X99-ED4 | Q87/H81/B85 | Quad‑Channel | 16 MB | Budget‑oriented, dual‑channel RAM | qiyida x99 bios
Displays basic system information, including your BIOS build date, processor model, and total RAM capacity. Flashing a custom BIOS carries a risk of
After flashing a new BIOS, a proper CMOS reset is essential: After flashing a new BIOS, a proper CMOS
The most critical menu for these boards. This houses the North Bridge (Memory configuration) and South Bridge (PCIe configuration) settings.