Chapter 2: Installation
2-11
JPI2C1
JL1
JOH1
JF1
JPW1
JLAN2
JLAN1
JBT1
LED8
LED7
JPK1
SP1
JBAT1
JWD1
JPB1
JI2C2
JI2C1
JPG1
JPL1
JSD1
JTP
M1
JIP
MB1
JVGA1
JUIDB1
COM2
JD1
I-SA
TA1
I-SA
TA0
I-SA
TA5
I-SA
TA4
1
I-SA
TA3
I-SA
TA2
FAN3
FAN2
FAN1
CPU1 SL
O
T4 PCI-E 2.0 X4
USB6
LAN3/4 LED
LAN2/LAN4
DIMMB2
DIMM
A2
USB0/1
BUZZER
IPMI_LAN
BATTERY
DIMMB1
CPU1 SL
O
T6 PCI-E 2.0 X8
LAN1/LAN3
DIMM
A1
USB4/5
COM1
A1SAM/A1SRM Series
Rev. 1.01
USB 2/3
FPC
TRL
LED3
BIOS
SoC Processor
BMC
PHY
JBR1
JPUSB1
JSTB
Y1
PWRI2C
LED2
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
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
5
+5V
2
USB_PN1
6
USB_PN0
3
USB_PP1
7
USB_PP0
4
Ground
8
Ground
D
C
FP USB (2.0) (4/5, USB 6)
Pin Definitions
USB4, 6
Pin # Definition
USB 5
Pin # Definition
1
+5V
1
+5V
2
PO-
2
PO-
3
PO+
3
PO+
4
Ground 4
Ground
5
NC
5
Key
(NC= No connection)
A
B
E
F
G
H
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.
Serial COM) Ports
Pin Definitions
Pin # Definition
Pin # Definition
1
DCD
6
DSR
2
RXD
7
RTS
3
TXD
8
CTS
4
DTR
9
RI
5
Ground
10
N/A
COM1
COM2
COM1
COM2
2
1