ASROCK IMB-170 User Manual page 12

12 USB 3.0 Header (USB_10_11)
13 Intel QM77 Chipset
14 COM Port Signal/Power Setting Jumpers (SET_CM4)
15 COM Port Signal/Power Setting Jumpers (SET_CM3)
16 Digital I/O Power Jumper (JGPIO_PWR1)
17 USB 2.0 Header (USB_8_9)
18 USB 2.0 Header (USB_6_7)
19 SATA3 Connector (SATA3_0, White)
20 SATA3 Connector (SATA3_1, White)
21 SATA2 Connector (SATA2_2, Blue)
22 SATA2 Connector (SATA2_3, Blue)
23 SATA Power Connector (SATA_PWR1)
24 Printer Port Header (LPT1)
25 Digital I/O Header (JGPIO1)
26 COM Port Header (COM3)
27 COM Port Header (COM4)
28 COM Port Header (COM5)
29 COM Port Header (COM6)
30 ATX/AT Mode Jumper (PWR_JP1)
31 LPC Debug Header (LPC1)
32 System Panel Header (PANEL1)
33 Clear CMOS Jumper (CLRCMOS1)
34 PCI Express 2.0 x16 Slot (PCIE1)
35 SPI Flash Memory (16Mb)
36 Buzzer (BUZZ1)
37 3W Audio AMP Output Wafer Header (SPEAKER1)
38 Front Panel Audio Header (HD_AUDIO1)
39 Backlight & Amp Volume Control (BLT_VOL1)
40 Mini PCI Express Slot (PCIE2)
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