ASROCK Q1900-ITX Quick Installation Manual page 4

No. Description
1 CPU Fan Connector (CPU_FAN1)
2 2 x 204-pin DDR3 SO-DIMM Slots (DDR3_A1, DDR3_B1)
3 ATX Power Connector (ATXPWR1)
4 USB 2.0 Header (USB1_2)
5 USB 3.0 Header (USB3_1_2)
6 SATA2 Connector (SATA2_2)
7 System Panel Header (PANEL1)
8 Chassis Fan Connector (CHA_FAN1)
9 SATA2 Connector (SATA2_1)
10 TPM Header (TPMS1)
11 Chassis Speaker Header (SPEAKER1)
12 Chassis Intrusion Header (CI1)
13 Clear CMOS Jumper (CLRCMOS1)
14 COM Port Header (COM1)
15 SATA3 Connector (SATA3_A1)
16 SATA3 Connector (SATA3_A2)
17 Print Port Header (LPT1)
18 Front Panel Audio Header (HD_AUDIO1)
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