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1-1 Product Specications
CPU Support LGA 1156 socket Intel
®
CPU:
Intel
®
Core™ i7 and Core™ i5 series processors
DMI BUS Full duplex, up to
10Gb/s each direction
Chipset Intel
®
P55
Memory 4 x 240-pin DDR3 DIMM sockets
Support up
to 16GB of system memory
Support Dual channel DDR3 1333/1066MHz architecture
Audio VIA1828S chip
High Denition Audio
2/4/5.1/7.1-channel
Support for S/PDIF out
Support Jack-Sensing function
LAN Broadcom 57780 Gigabit LAN
Expansion Slots 1 x PCI Express x16 slot
1 x PCI Express x1 slot
1 x PCI Express x4 slot
3 x PCI slots
PATA & ESATA Controller Marvell 88SE6121 (Only for P55A-S)
Onboard Serial ATA 6 x SATA connectors
300MB/s data transfer rate
Support hot plug and NCQ (Native Command Queuing)
USB Support hot plug
Supports up to 14 x USB 2.0 ports (8 rear panel ports, 3 onboard USB head-
ers supporting 6 extra ports)
Support USB 2.0 protocol up to 480Mb/s
Internal Connectors
1 x 24-pin ATX main power connector
1 x 8-pin ATX 12V power connector
1 x IDE connector (Controlled by Marvell 88SE6121, only for P55A-S)
1 x CPU fan header (4-pin)
2 x System fan headers (4-pin)
1 x CD-IN connector
1 x Front Audio connector
1 x SPDIF_OUT connector
3 x USB 2.0 connectors (supporting 6 x USB devices)
1 x Front Panel connector
6 x SATA connectors
1 x IrDA connector
1 x Chassis Intrusion alarm header(INTR)
1 x Speaker connector
Back Panel 1 x PS/2 keyboard/mouse port
Connectors 1 x Clear CMOS button (Only for P55A-S)
2 x ESATA ports (Controlled by Marvell 88SE6121, only for P55A-S)
1 x RJ-45 LAN port