P7H55-M Lx/Usb3 Motherboard Installation Notices; Intel ® Lga1156 Processor And Chipset Combination Instruction; Memory Configuration; Configurations For The Pci Express X16 Slots - Asus P7H55-M LX USB3 User Manual

P7H55-M LX/USB3 motherboard installation notices

Intel LGA1156 processor and chipset combination instruction
®
CPU type
Chipset
H57/H55
P55
* Only available for motherboards with this function.

Memory configuration

CPU type
Chipset
1 DIMM
2 DIMMs
4 DIMMs

Configurations for the PCI Express x16 slots

According to Intel CPU spec, the PCIe x 6_2 slot of the H57/H55 chipset will be disabled
®
when using Clarkdale CPU. Refer to the table below for details.
Chipset
H57/H55
P55
* The color of the PCIe x16_2 slot varies by model.
** The PCIe x16_2 slot can work at maximum x8 link only.
ASUS P7H55-M LX/USB3
Clarkdale CPU (with integrated
GPU)
• Integrated GPU enabled
• HDMI/DVI/D-Sub ports enabled*
Discrete VGA card required
Clarkdale CPU (with integrated
GPU)
supports one module inserted
into ANY slot as Single-channel
memory configuration
supports two modules inserted into
either the blue slots or the black
slots as one pair of Dual-channel
memory configuration
supports four modules inserted into both the blue and the black slots as two
pairs of Dual-channel memory configuration
PCI Express x16 slot
PCIe x16_1 (blue)
PCIe x16_2 (white)*
PCIe x16_2 (black)*
PCIe x16_1 (blue)
PCIe x16_2 (white)*
PCIe x16_2 (black)*
PCIe x16_3* (black)
Lynnfield CPU
Discrete VGA card required
Discrete VGA card required
Lynnfield CPU
supports one module inserted into Slot
A1 or B1 as Single-channel memory
configuration
supports two modules inserted into the
blue slots (A1 and B1) as one pair of
Dual-channel memory configuration
CPU type
Clarkdale CPU (with
integrated GPU)
O
X
O
No limitation
No limitation
No limitation
No limitation
Lynnfield CPU
O
O
O
No limitation
No limitation
No limitation
No limitation
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