User`s manual

CAPA831 Intel
®
Atom
TM
D2550/N2800/N2600 Processor 3.5 SBC
24 Board and Pin Assignments
2.4.18 USB Connector (USB1)
This Universal Serial Bus (compliant with USB 2.0 (480Mbps)) connector on the rear I/O
are for installing USB peripherals such as keyboard, mouse, scanner, etc.
1 2 3 4
5 6 7 8
2.4.19 CFast Socket (SCFAST1)
The board is equipped with a CFast
TM
socket on the bottom side to support a CFast
TM
card which is based on the Serial ATA bus. The socket is specially designed to avoid
incorrect installation of the CFast
TM
card. When installing or removing the CFast
TM
card,
please make sure the system power is off. The CFast
TM
card by default identifies itself as
C: or D: drive in your PC system.
Pin
Signal
Pin
Signal
1
USB VCC (+5V
level)
5
USB VCC (+5V
level)
2
USB #0_D-
6
USB #1_D-
3
USB #0_D+
7
USB #1_D+
4
GND
8
GND
Pin
Signal
Pin
Signal
1
GND
13
N.C
2
SATA_TX+
14
GND
3
SATA_TX-
15
N.C
4
GND
16
CFAST_LED#
5
SATA_RX-
17
N.C
6
SATA_RX+
18
N.C
7
GND
19
N.C
8
N.C
20
+3.3V Level
9
GND
21
+3.3V Level
10
N.C
22
GND
11
N.C
23
GND
12
N.C
24
N.C