Main H61 (SK-1155)

1. Support for Intel^® Core™ i7 processors/Intel^® Core™ i5 processors/ Intel^® Core™ i3 processors/Intel^® Pentium^® processors/Intel^®Celeron^® processors in the LGA1155 package
2. L3 cache varies with CPU

(Some Intel^® Core™ processors require a graphic card, please refer “CPU support List” for more information.)

1. Intel^® H61 Express Chipset

1. 2 x 1.5V DDR3 DIMM sockets supporting up to 16 GB of system memory
   * Due to Windows 32-bit operating system limitation, when more than 4 GB of physical memory is installed, the actual memory size displayed will be less than 4 GB.
2. Dual channel memory architecture
3. Support for DDR3 2200(OC)/1333/1066/800 MHz memory modules
4. Support for non-ECC memory modules

(Please refer “Memory Support List” for more information.)

1. 1 x D-Sub port

1. Realtek ALC887 audio codec
2. High Definition Audio
3. 2/4/5.1/7.1-channel
   * To configure 7.1-channel audio, you have to use an HD front panel audio module and enable the multi-channel audio feature through the audio driver.

1. 1 x Realtek 8111F chip (10/100/1000 Mbit)

1. 1 x PCI Express x16 slot, running at x16
   (The PCI Express x16 slot conforms to PCI Express 3.0 standard.)
   * PCIE Gen.3 is dependent on CPU and expansion card compatibility.
2. 2 x PCI Express x1 slots
   (The PCI Express x1 slots conform to PCI Express 2.0 standard.)

1. 4 x SATA 3Gb/s connectors supporting up to 4 SATA 3Gb/s devices

1. Up to 8 USB 2.0/1.1 ports (4 ports on the back panel, 4 ports available through the internal USB headers)

1. 1 x 24-pin ATX main power connector
2. 1 x 4-pin ATX 12V power connector
3. 4 x SATA 3Gb/s connectors
4. 1 x CPU fan header
5. 1 x system fan header
6. 1 x front panel header
7. 1 x front panel audio header
8. 2 x USB 2.0/1.1 headers
9. 1 x parallel port header
10. 1 x serial port header
11. 1 x Clear CMOS jumper

1. 1 x PS/2 keyboard port
2. 1 x PS/2 mouse port
3. 1 x D-Sub port
4. 4 x USB 2.0/1.1 ports
5. 1 x RJ-45 port
6. 3 x audio jacks (Line In/Line Out/Microphone)

1. iTE IT8728 chip

1. System voltage detection
2. CPU/System temperature detection
3. CPU/System fan speed detection
4. CPU/System fan speed control
   * Whether the CPU/System fan speed control function is supported will depend on the CPU/System cooler you install.

1. 2 x 32 Mbit flash
2. Use of licensed AMI EFI BIOS
3. Support for DualBIOS™
4. PnP 1.0a, DMI 2.0, SM BIOS 2.6, ACPI 2.0a

1. Norton Internet Security (OEM version)

1. Support for Microsoft^® Windows 8/7/Vista/XP

1. Micro ATX Form Factor; 22.6cm x 17.4cm

1. Due to different Linux support condition provided by chipset vendors, please download Linux driver from chipset vendors’ website or 3rd party website.
2. Most hardware/software vendors may no longer offer drivers to support Win9X/ME/2000/XP SP1/SP2. If drivers are available from the vendors, we will update them on the GIGABYTE website.