Chapter 2: Installation
2-23
Serial/COM Header
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
JTPM1
RST
PWR
ON
X
OH/FF
X
NIC
1
PWR
LED
HDD
LED
JF1
USB 2/3
USB 8/9(3.0)
2-3:BIOS RECOVERY 1-2:NORMAL JBR1
WATCH DOG
1-2:RST
2-3:NMI
JWD1:
JBR1
JPME2
AUDIO FP
COM1
JD1:SPEAKER :1-4
JD1
JSD1
JWD1
JL1
JL1:
CHASSIS
INTRUSION
2-3:ME MANUFACTURING MODE
JPME2:
1-2:NORMAL
I-SATA5
I-SATA4
I-SATA3
I-SATA2
I-SATA1
I-SATA0
PCH SLOT1 PCI-E 3.0 X1
JBT1
PCH SLOT2 PCI-E 3.0 X4
J9702
JSTBY1
J9701
JI2C1 JI2C2
JSPDIF_OUT
5V STBY POWER
JSTBY1:
CPU SLOT3 PCI-E 3.0 X16
OFF:DISABLE
JI2C1/JI2C2
ON :ENABLE
HD AUDIO
PCIE M.2
CONNECTOR 1
SYS_FAN2
USB 6/7(3.0)
LAN
CPU
JPW1
DVI
JPUSB1:USB0/1 WAKE UP
HDMI/DP
DIMMB2
DIMMA2
DIMMB1
DIMMA1
2-3 DISABLE
1-2 ENABLE
CPU_FAN1
JVR1
JPUSB1
JPW2
KB/MOUSE
LED1
REV: 1.00
C7B250-CB-ML
DESIGNED IN USA
+
MAC CODE
BAR CODE
BIOS LICENSE
C
A
+
USB 4/5
(3.0)
USB 0/1
B1
2280
2260
2242
SYS_FAN1
JCMOS
MH10
MH11
MH12
A. COM1
B. Speaker Header
COM Connection
There is one COM header on the moth-
erboard. Refer to the table on the right
for pin definitions.
Speaker
If you wish to use an external speaker,
close pins 1~4 with a cable. Refer to the
table on the right for pin definitions.
Speaker Connector
Pin Definitions
Pin Setting Definition
Pins1~4
External Speaker
A
B
Summary of Contents for C7B250-CB-ML
Page 1: ...C7B250 CB ML USER S MANUAL Revision 1 0a...
Page 28: ...1 12 Supermicro C7B250 CB ML Motherboard User s Manual Notes...
Page 110: ...4 44 Supermicro C7B250 CB ML Motherboard User s Manual Notes...
Page 112: ...A 2 Supermicro C7B250 CB ML Motherboard User s Manual Notes...
Page 118: ...C 4 Supermicro C7B250 CB ML Motherboard User s Manual Notes...