Asus P7H55-M LX USB3 - Motherboard Installation Notices; Processor and Chipset Compatibility; Memory Configuration Guidelines; PCI Express x16 Slot Usage

ASUS P7H55-M LX/USB3 2-21
P7H55-M LX/USB3 motherboard installation notices
Intel
®
LGA1156 processor and chipset combination instruction
Memory conguration
Clarkdale CPU (with integrated
GPU)
Lynneld CPU
1 DIMM
supports one module inserted
into ANY slot as Single-channel
memory conguration
supports one module inserted into Slot
A1 or B1 as Single-channel memory
conguration
2 DIMMs
supports two modules inserted into
either the blue slots or the black
slots as one pair of Dual-channel
memory conguration
supports two modules inserted into the
blue slots (A1 and B1) as one pair of
Dual-channel memory conguration
4 DIMMs
supports four modules inserted into both the blue and the black slots as two
pairs of Dual-channel memory conguration
CPU type
Chipset
Clarkdale CPU (with integrated
GPU)
Lynneld 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 motherboards with this function.
CPU type
Chipset
Congurations 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 PCI Express x16 slot
CPU type
Clarkdale CPU (with
integrated GPU)
Lynneld CPU
H57/H55
PCIe x16_1 (blue) O O
PCIe x16_2 (white)* X O
PCIe x16_2 (black)* O O
P55
PCIe x16_1 (blue) No limitation No limitation
PCIe x16_2 (white)* No limitation No limitation
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.