ASROCK Q1900-ITX Quick Installation Manual page 17

Serial ATA2 Connectors
(SATA2_1:
see p.1, No. 9)
(SATA2_2:
see p.1, No. 6)
Serial ATA3 Connectors
(SATA3_A1:
see p.1, No. 15)
(SATA3_A2:
see p.1, No. 16)
USB 2.0 Header
(9-pin USB1_2)
(see p.1, No. 4)
USB 3.0 Header
(19-pin USB3_1_2)
(see p.1, No. 5)
Front Panel Audio Header
(9-pin HD_AUDIO1)
(see p.1, No. 18)
SATA2_2
SATA2_1
SATA3_A2
SATA3_A1
IntA_P_D+
IntA_P_D-
GND
IntA_P_SSTX+
IntA_P_SSTX-
GND
IntA_P_SSRX+
IntA_P_SSRX-
Vbus
1
Vbus
IntA_P_SSRX-
IntA_P_SSRX+
GND
IntA_P_SSTX-
IntA_P_SSTX+
GND
IntA_P_D-
IntA_P_D+
ID
hese two SATA2
connectors support SATA
data cables for internal
storage devices with up to
3.0 Gb/s data transfer rate.
hese two SATA3
connectors support SATA
data cables for internal
storage devices with up to
6.0 Gb/s data transfer rate.
Besides two USB 2.0 ports
on the I/O panel, there
is one header on this
motherboard. his USB
2.0 header can support
two ports.
Besides two USB 3.0 ports
on the I/O panel, there
is one header on this
motherboard. his USB
3.0 header can support
two ports.
his header is for
connecting audio devices
to the front audio panel.
Q1900-ITX
15