ECS Z77H2-A3 (V1.2) BIOS

CPU
- LGA1155 socket for new 2nd Generation Intel Core i7 series processor/Intel Core i5 series processor/Intel Core i3 series processor/Intel Pentium processors/Intel Celeron processors
- DMI 5.0GT/s

CHIPSET
- Intel Z77 Express Chipset

MEMORY
- Dual-channel DDR3 memory architecture
- 4 x 240-pin DDR3 DIMM socket support up to 32 GB
- Support DDR3 up to 2800(OC)/2600(OC)/2400(OC)/2133(OC)/1800(OC)/1600 DDR3 SDRAM
Due to the operating system limitation, the actual memory size may be less than 4GB for the reservation for system usage under Windows 32-bit OS.
For Windows 64-bit OS with 64-bit CPU, there is no such limitation

EXPANSION SLOT
- 1 x PCI Express x16 Gen3.0 slot
- 4 x PCI Express x1 slot
- 2 x PCI slots

STORAGE
- Support by Intel Z77
    • 4 x Serial ATA 3.0Gb/s devices
    • 2 x Serial ATA 6.0Gb/s devices
    • RAID0, RAID1, RAID5, RAID 10 configuration

AUDIO
- Realtek ALC892 8-Ch High Definition audio CODEC
- Compliant with HD audio specification

LAN
- RealTek RTL 8111E Gigabit Lan

REAR PANEL I/O
- 2 x USB 3.0 Ports
- 6 x USB 2.0 ports
- 1 x D-sub(VGA)
- 1 x DVI Port
- 1 x HDMI Port(Optional)
- 1 x PS/2 keyboard/mouse combo port
- 1 x RJ45 LAN connector
- 1 x Audio port 8 CH 6 JACKS

INTERNAL I/O CONNECTORS & HEADERS
- 1 x 24-pin ATX Power Supply connector
- 1 x 4-pin ATX Power Supply Connector
- 1 x 4pin CPU_FAN connectors
- 2 x 3-pin SYS_FAN connector
- 1 x 3-pin PWR_FAN connector
- 2 x USB 2.0 headers support additional 4 USB ports(Gray One support EZ Charger)
- 1 x USB 3.0 header supports additional 2 USB 3.0 Ports
- 4 x SATA 3Gb/s connectors
- 2 x SATA 6Gb/s connectors
- 1 x COM header
- 1 x Case Open header
- 1 x SPDIF out header
- 1 x Front panel switch/LED header
- 1 x Front panel audio header
- 1 x Clear CMOS header

SYSTEM BIOS
- AMI BIOS with 64Mb SPI Flash ROM
- Supports Plug and Play, STR (S3) / STD (S4) , Hardware monitor, Multi Boot
- Audio, LAN, can be disabled in BIOS
- F7 hot key for boot up devices option
- Support Page Up clear CMOS Hotkey
- Support over-clocking
- Support ECS M.I.B III Utility
- Support EZ Charger
- Support eDLU
- Support eSF
- Support eBLU
- Support eOC

FORM FACTOR
- ATX Size, 305mm*210mm


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Note: Try to set a system restore point before installing a device driver. It will help you restore system if  installed  driver not complete.