2-24
A1SAM/A1SRM Series Motherboard User’s Manual
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
Power SMB (I
2
C) Connector
Power System Management Bus (I
2
C)
Connector (JPI
2
C1) monitors power
supply, fan and system temperatures.
See the table on the right for pin
definitions.
PWR SMB
Pin Definitions
Pin# Definition
1
Clock
2
Data
3
PWR Fail
4
Ground
5
+3.3V
System Management Bus Header
A System Management Bus header
for IPMI 2.0 is located at JIPMIB1.
Connect the appropriate cable here
to use the IPMI I
2
C connection on
your system.
SMBus Header
Pin Definitions
Pin# Definition
1
Data
2
Ground
3
Clock
4
No Connection
A. PWR SMBus
B. SMBus for IPMI
A
B