14
1 Intel Z77 Chipset
2 SATA3 Connector (SATA_1)
3 USB 2.0 Header (USB8)
4 Chassis Fan Connector (CHA_FAN1)
5 Consumer Infrared Module Header (CIR1)
6 SATA3 Connector (SATA_0)
7 USB 2.0 Header (USB6_7)
8 Mini PCI Express Slot (MINI_PCIE1)
9 USB 3.0 Header (USB3_0_1)
10 SATA Power Connector (SATA_POW1)
11 Power LED Header (PLED1)
12 System Panel Header (PANEL1)
13 Backlight Power Jumper (BKT_PWR1)
14 Panel Power Jumper (PNL_PWR1)
15 LVDS Connector (LVDS1)
16 2 x 204-pin DDR3 SO-DIMM Slots (DDR3_A1, DDR3_B1)
17 Backlight & Amp Volume Control Header (BLT_VOL1)
18 COM Port Header (COM1)
19 1155-Pin CPU Socket
20 USB 2.0 Header (USB4_5)
21 SPI Flash Memory (32Mb)
22 CPU Fan Connector (CPU_FAN1)
23 PCI Express 3.0 x4 Slot (PCIE1)
24 Digital MIC Header (DMIC1)
25 HDMI_SPDIF Header (HDMI_SPDIF1)
26 Front Panel Audio Header (HD_AUDIO1)
27 Analog Surround Audio Header (HD_AUDIO2)
28 3W Audio AMP Output Wafer Header (SPEAKER1)
29 Home Theater PC Header (HTPC1)
30 LPC Debug Header (LPC1)
31 Clear CMOS Jumper (CLRCMOS1)