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Supermicro C7B250-CB-MK Motherboard User’s Manual
Ethernet Port
One Gigabit Ethernet port (LAN) is locat-
ed next to the USB 3.0 ports on the I/O
back panel to provide network connec-
tions. This port accepts RJ45 type cables.
Note: Please refer to the LED Indica-
tor Section for LAN LED information.
LAN Ports
Pin Denition
Pin# Denition Pin# Denition
1 P2V5SB 10 SGND
2 TD0+ 11 Act LED
3 TD0- 12 P3V3SB
4 TD1+ 13 Link 100 LED
(Green, +3V3SB)
5 TD1- 14 Link 1000 LED
(Yellow, +3V3SB)
6 TD2+ 15 Ground
7 TD2- 16 Ground
8 TD3+ 17 Ground
9 TD3- 88 Ground
(NC: No Connection)
A. LAN1
B. Center/LFE Out
C. Surround Out
D. S/PDIF Out
E. Line In
F. Line Out
G. Mic In
Back Panel High Denition Audio
(HD Audio)
This motherboard features a 7.1+2
Channel High Denition Audio (HDA)
codec that provides 10 DAC channels.
The HD Audio connections simultane-
ously supports multiple-streaming 7.1
sound playback with two channels of
independent stereo output through the
front panel stereo out for front, rear,
center and subwoofer speakers. Use the
Advanced software included in the CD-
ROM with your motherboard to enable
this function.
G
A
B
C
D
E
F
Port Headset,
2 Channels
4.1 Channels 5.1 Channels 7.1 Channels
Light Blue Line In Line In Line In Line In
Lime Line Out Front Speaker Out Front Speaker Out Front Speaker Out
Pink Mic In Mic In Mic In Mic In
Orange Center/Subwoofer Center/Subwoofer
Optical S/PDIF Out Side Speaker Out
Black Rear Speaker Out Rear Speaker Out Rear Speaker Out
Audio 2, 4.1, 5.1 or 7.1 channel conguration chart