LGA 1156 P55A



Processor: Intel® Core™ i7,Core™ i5 processors, Socket LGA1156 
Chipset: Intel® P55
Front Side Bus: 2.5GT/s DMI
Memory: Dual channel DDR3 1333/1066 x 4 DIMMs, Max. 16GB
VGA on Die: N/A
Expansion Slots: 1* PCIe2.0 x16, 1* PCIe x4,1* PCIe x1, 3* PCI 
IDE: N/A
Serial ATA(SATA)/RAID: 6* SATAII w / RAID 0, 1, 5, 10; Intel® Matrix storage technology
Audio: 7.1 channel HDA by VIA® VT1828S
LAN: Gigabit Lan by Broadcom® BCM57780
IEEE1394: N/A
Back Panel I/O Ports: 1 x PS/2 keyboard port

1 x S/PDIF out Optical port

1 x RJ45 LAN port

1 x Audio jack supports 6 jacks

8 x USB 2.0 ports
Internal I/O Connectors: 1 x ATX 24-Pin power connector

1 x 8-pin ATX 12V power connector

1 x 4-pin CPU FAN connectors

2 x 4-pin System FAN connectors

1 x Front pannel header

1 x Front Audio Header

1 x Intruder Alarm header

3 x USB 2.0 connectors support additional 6 ports

6 x Serial ATAII connectors

1 x S/PDIF Out header

1 x CD_IN connector

1 x IrDA header

1 x Speaker header
BIOS Features: 16Mb flash EEPROM w/ LAN boot PnP, ACPI,

 WfM, DMI
Support CD: Drivers, Adobe Reader, SuperUtilities, 

Norton Internet Security
Standards/Manageability: PCI 2.3, USB2.0, DMI 2.5
Form Factor: ATX (12" x 8.6")



Compatibility for Intel : Socket 1156 : P55A / PCB Ver : 1.0 / BIOS Ver : 945F1P05
Result Description: P = Tested Pass, P* = Tested Pass (Engineering Sample CPU)




 
       
CPU Name Core Cpu No. FSB (Mhz) Result
Intel  Clarkdale  3.06G Westmere Core i3-540 133 P*
Intel  Clarkdale  3.33G Westmere Core i5-660 133 P*
Intel  Clarkdale  3.33G Westmere Core i5-661 133 P*
Intel  Clarkdale  2.93G Westmere i3-530 Processor 133 P*
Intel  Clarkdale  3.2G Westmere i5-650 Processor 133 P*
Intel  Clarkdale  2.8G Westmere Intel®Pentium® Processor G6950 133 P*
Intel  Clarkdale  2.53G Westmere TBD 133 P*
Intel  Clarkdale  2.8G Westmere TBD 133 P*
Intel  Clarkdale  3.06G Westmere TBD 133 P*
Intel  Clarkdale  3.06G Westmere TBD 133 P*
Intel  Lynnfield  2.66G Nehalem Core i5-750 133 P*
Intel  Lynnfield  2.8G Nehalem Core i7-860 133 P*
Intel  Lynnfield  2.93G Nehalem Core i7-870 133 P*

LGA 1156 H55MXV







Processor: Intel® Core™ i7,Core™ i5,Core™ i3 processors, Socket LGA1156 
Chipset: Intel® H55
Front Side Bus:
Memory: Dual channel DDR3 1333/1066 x 2 DIMMs, Max. 8GB
VGA on Die: Integrated Intel® GMA HD graphics engine(need CPU support)
Expansion Slots: 1* PCIe2.0 x16, 1* PCIe x4,2* PCI
IDE: N/A
Serial ATA(SATA)/RAID: 6* SATAII 
Audio: 5.1 channel HDA by Realtek® ALC662
LAN: Gigabit LAN by Realtek® 8111DL
IEEE1394: N/A
Back Panel I/O Ports: 1 x PS/2 keyboard port

1 x PS/2 Mouse port

1 x DVI connector

1 x VGA connector

1 x Audio jack supports 3 jacks

1 x RJ45 LAN port

6 x USB 2.0 ports

1 x Parallel port
Internal I/O Connectors: 1 x ATX 24-Pin power connector

1 x 4-pin ATX 12V power connector

2 x 4-pin CPU / System Fan connectors

1 x Front pannel header

1 x TPM header

1 x Speaker header

1 x Intruder Alarm header

3 x USB 2.0 connectors support additional 6 ports

6 x Serial ATAII connectors

1 x Front Audio Header

1 x S/PDIF Out header

1 x IrDA header

1 x COM header
BIOS Features: 64Mb flash EEPROM w/ LAN boot PnP, ACPI, WfM, DMI
Support CD: Drivers, Adobe Reader, SuperUtilities, Norton Internet Security
Standards/Manageability: PCI 2.3, USB2.0, DMI 2.5
Form Factor: Micro ATX (9.6" x 8.6")



Compatibility for Intel : Socket 1156 : H55MXV / PCB Ver : 1.0 / BIOS Ver : 9A1F1P01
Result Description: P = Tested Pass, P* = Tested Pass (Engineering Sample CPU)
 
       
CPU Name Core Cpu No. FSB (Mhz) Result
Intel  Clarkdale  3.06G Westmere Core i3-540 133 P*
Intel  Clarkdale  3.33G Westmere Core i5-660 133 P*
Intel  Clarkdale  3.33G Westmere Core i5-661 133 P*
Intel  Clarkdale  3.46G Westmere Core i5-670 133 P*
Intel  Clarkdale  2.93G Westmere i3-530 Processor 133 P*
Intel  Clarkdale  3.2G Westmere i5-650 Processor 133 P*
Intel  Clarkdale  2.8G Westmere Intel®Pentium® G6950 133 P*
Intel  Lynnfield  2.66G Nehalem Core i5-750 133 P*
Intel  Lynnfield  2.4G Nehalem Core i5-750S 133 P*
Intel  Lynnfield  2.8G Nehalem Core i7-860 133 P*
Intel  Lynnfield  2.53G Nehalem Core i7-860S 133 P*
Intel  Lynnfield  2.93G Nehalem Core i7-870 133 P*