ASRock P55 Pro/USB3 Quick Installation Guide - Page 9

13. While CPU overheat is detected, the system will automatically shutdown. Before you resume the system, please check if the CPU fan on the motherboard functions properly and unplug the power cord, then plug it back again. To improve heat dissipation, remember to spray thermal grease between the CPU and the heatsink when you install the PC system. 14. Combo Cooler Option (C.C.O.) provides the flexible option to adopt two different CPU cooler types, Socket LGA 775 and LGA 1156. Please be noticed that not all the 775 CPU Fan can be used. 15. EuP, stands for Energy Using Product, was a provision regulated by European Union to define the power consumption for the completed system. According to EuP, the total AC power of the completed system shall be under 1.00W in off mode condition. To meet EuP standard, an EuP ready motherboard and an EuP ready power supply are required. According to Intel's suggestion, the EuP ready power supply must meet the standard of 5v standby power efficiency is higher than 50% under 100 mA current consumption. For EuP ready power supply selection, we recommend you checking with the power supply manufacturer for more details. 1.3 Two CrossFireXTM Graphics Card Support List (for Windows® XP / XP 64-bit / VistaTM / VistaTM 64-bit / 7 / 7 64-bit) Chipset Vendor ATI Model Name Chipset Name Powercolor AX3650 512MMD3-XP RADEON 3650 Gigabyte GV-RX385256H-B RADEON 3850 Powercolor AX3870 512MD4-H RADEON 3870 ASUS EAH4350 SILENT/DI/512MD2/A RADEON HD 4350 Powercolor AX4670 512MD3-P RADEON 4670 Gecube GC-HD485PG3-E3 RADEON 4850 ASUS EAH5850/G/2DIS/1GD5/A RADEON 5850 MSI-ATI-R5770-PM2D1G RADEON 5770 Driver Catalyst 9.12 Catalyst 9.12 Catalyst 9.12 Catalyst 9.12 Catalyst 9.12 Catalyst 9.12 Catalyst 9.12 Catalyst 9.12 * For the latest updates of the supported PCI Express VGA card list for CrossFireXTM Mode, please visit our website for details. ASRock website: http://www.asrock.com/support/index.htm English 9 ASRock P55 Pro/USB3 Motherboard