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USB Ports (USB0~USB4, USB6/7)
There are a total of seven USB ports supported on the motherboard. Four are located on the
back panel , USB0/1, and USB2/3 via ASM1042 (both are USB 3.0 compliant). There are
also three ports located on the motherboard, two are on one header, USB6/7 (3.0) and and
the remaining one is on a 3.0 "Type A" connector (USB4).
Pin#
1
2
3
4
5
6
7
8
9
10
Expansion Slots
The motherboard features several expansion slots. The table below lists the type and speed
of each slot.
Name
JSXB1A
JSXB1B
JSXB1C
JSXB2
Onboard Battery (BT1)
The onboard back up battery is located at BT1. The onboard battery provides backup power
to the on chip CMOS, which stores the BIOS' setup information. It also provides power to
the Real Time Clock (RTC) to keep it running.
Front Panel USB 3.0
Pin Definitions
Definition
Pin#
VBUS
19
Stda_SSRX-
18
Stda_SSRX+
17
GND
16
Stda_SSTX-
15
Stda_SSTX+
14
GND
13
D-
12
D+
11
GND
x
Expansion Slots
Description
Riser Slot
Riser Slot (for CPU Slot1 PCIe 4.0 x16, Slot3, PCIe 4.0 x16)
Riser Slot
Riser Slot (for CPU Slot2, PCIe 4.0 x16)
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Chapter 4: Motherboard Connections
Definition
Power
USB3_RN
USB3_RP
GNd
USB3_TN
USB3_TP
GND
USB_N
USB_P
x
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