Asus P7P55 LX P7P55 LX User's Manual - Page 1

IE5413 P7P55/P7H57/P7H55 series motherboards installation notices Intel® LGA1156 processor and chipset combination instruction CPU type Clarkdale CPU Chipset (with integrated GPU) Lynnfield CPU H57/H55 • Integrated GPU enabled • HDMI/DVI/D-Sub ports enabled* Discrete VGA card required P55 Discrete VGA card required Discrete VGA card required * Only available for the motherboards with this function. Memory configurations CPU type DRAM modules 1 DIMM Clarkdale CPU (with integrated GPU) supports one module inserted into ANY slot as Single-channel memory configuration Lynnfield CPU supports one module inserted into Slot A1 or B1 as Single-channel memory configuration 2 DIMMs supports two modules inserted into either the blue slots or the black slots as one pair of Dual-channel memory configuration supports two modules inserted into the blue slots (A1 and B1) as one pair of Dual-channel memory configuration 4 DIMMs supports four modules inserted into both the blue and the black slots as two pairs of Dual-channel memory configuration Configurations for the PCI Express x16 slots According to Intel® CPU spec, the PCIe x16_2 slot of the H57/H55 chipset will be disabled when using Clarkdale CPU. Refer to below table for details. Chipset PCI Express x16 slot CPU type Clarkdale CPU (with integrated GPU) Lynnfield CPU PCIe x16_1 (blue) O O H57/H55 PCIe x16_2 (white)* X O PCIe x16_2 (black)* O O PCIe x16_1 (blue) No limitation No limitation PCIe x16_2 (white)* No limitation No limitation P55 PCIe x16_2 (black)* No limitation No limitation PCIe x16_3* (black) No limitation No limitation * The color of the PCIe x16_2 slot varies by model. ** The PCIe x16_2 slot can work at maximum x8 link only. 15G062333100 P7P55/P7H57/P7H55 series motherboards installation notices