Universal Serial Bus (Usb); Serial Ports - Supermicro SuperO A1SAM-2750F User Manual

Universal Serial Bus (USB)

Four Universal Serial Bus 2.0 ports (0/1, 2/3) are located on the I/O back panel.
In addition, a USB header that supports two USB 2.0 connectors (USB 4/5) and a
Type A USB 2.0 port (USB 6) are also located on the motherboard to provide front
accessible USB support. See the tables below for pin definitions.
Back Panel USB (2.0) 0/1, 2/3
Pin Definitions
Pin# Definition Pin# Definition
1 +5V
2 USB_PN1
3 USB_PP1
4 Ground

Serial Ports

Two COM connections (COM1 &
COM2) are located on the mother-
board. COM1 is located on the Back-
plane I/O panel. COM2, located next
to the internal buzzer, provides front
access support. See the table on the
right for pin definitions.
1
JUIDB1
JVGA1
BMC
BIOS
JBAT1
JBT1
JF1
BATTERY
SP1
H
E
BUZZER
COM2
USB4/5
1
5 +5V
6 USB_PN0
7 USB_PP0
8 Ground
2
COM2
LAN2/LAN4 USB0/1
LAN1/LAN3 USB 2/3
COM1
IPMI_LAN
JLAN2 JLAN1
LAN3/4 LED
PHY
A1SAM/A1SRM Series
Rev. 1.01
PWRI2C
SoC Processor
F
2-11
Chapter 2: Installation
FP USB (2.0) (4/5, USB 6)
Pin Definitions
USB4, 6 USB 5
Pin # Definition Pin # Definition
1 +5V 1
2 PO- 2
3 PO+ 3
4 Ground 4
5 NC 5
(NC= No connection)
Serial COM) Ports
Pin Definitions
Pin # Definition Pin #
1 DCD 6
2 RXD 7
3 TXD 8
4 DTR 9
5 Ground 10
A. Backpanel USB 0
B. Backpanel USB 1
C. Backpanel USB 2
D. Front Panel USB 3
E. Front Panel USB 4/5
F. Type A USB 6
G. COM 1
H. COM 2
D
G
C
B
A
+5V
PO-
PO+
Ground
Key
Definition
DSR
RTS
CTS
RI
N/A