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SATA Ports
The motherboard has six SATA 3.0 ports (I-SATA0-5) that are supported by the Intel PCH.
M.2 Slot
M.2 is formerly known as Next Generation Form Factor (NGFF). The M.2 slot (designated
PCIE M.2 Connector 1) is designed for internal mounting devices. The C7B250-CB-ML
motherboard deploys the 2242/2280 M-key dedicated for SSD devices with the ulitmate
performance capability in a PCI Express 3.0 x4 interface for native PCI-E SSD support.
USB (Universal Serial Bus) Ports
Four USB 3.0 ports (USB4, 5, 6 ,7) and two USB 2.0 ports (USB0, 1) are located on the I/O
back panel. In addition, one USB 3.0 header for two ports (USB8/9) and one USB 2.0 header
for two ports: (USB2/3) are located on the motherboard to provide front chassis access using
USB cables (not included). See the tables below for pin definitions.
Front Panel USB (2.0) Header
Pin Definitions
Pin#
Definition
Pin#
1
+5V
2
3
USB_PN2
4
5
USB_PP2
6
7
Ground
8
Front Panel USB (3.0/2.0)
Pin Definitions
Pin#
Definition
Pin#
1
+VBUS
11
2
IntA_P1_SSRX-
12
3
IntA_P1_SSRX+
13
4
Ground
14
5
IntA_P1_SSRX-
15
6
IntA_P1_SSRX+
16
7
Ground
17
8
IntA_P1_D-
18
9
IntA_P1_D+
19
10
Ground
Back Panel USB (2.0/3.0)
Pin Definitions
Pin#
Definition
Pin#
1
+5V
5
2
USB_PN1
6
3
USB_PP1
7
4
Ground
8
35
Chapter 3: Motherboard Connections
Definition
+5V
USB_PN3
USB_PP3
Ground
Definition
IntA_P2_D+
IntA_P2_D-
Ground
IntA_P2_SSRX-
IntA_P2_SSRX+
Ground
IntA_P1_SSRX+
IntA_P1_SSRX+
VBUS
Definition
+5V
USB_PN0
USB_PP0
Ground
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