2.5
Block Diagram
C
O
M
-
Ex
p
re
ss
A
-B
c
o
nn
e
ct
o
r
C
O
M
-
Ex
p
re
ss
C
-D
c
o
nn
e
ct
o
r
eSPI / LPC
Header
RJ-45 Gigabit
Ethernet Connector
PCI-e x16 Slot
PEG X16
DP connector #1
DP connector #2
DDI1
DDI2
DP Connector #3
DDI3
RS-232 transceiver
SER [0..1]
MUX
Bridge eSPI-to-LPC
eSPI
Super I/O
Port 80 4x 7-Segment
displays
LPC
RS-232/RS-422/RS-
485 transceivers
Serial Header
4x USB 2.0 Type-A
connectors
2x USB 3.1 Type-A
connectors
USB 3.1 #[2..3]
USB 2.0 #[4..7]
USB 2.0 #[2..3]
PCI-e x4 Slot #2
PCI-e x4 Slot #1
PCI-e #[6..7]
PCI-e #[4..7]
PCI-e #[0..3]
4x SATA 7p Gen3
Connectors
VGA
µSD Slot
GPIO Header
LVDS 34-pin
connector
eDP connector
Audio Header
HD Audio Jacks
BIOS Flash
Header
GbE
SATA #[0..3]
VGA
SD/GPIO
MUX
LVDS/eDP
HD Audio Codec
HDA
Coin Cell Battery
Connector
Optical S/PDIF Out
connector
EEPROM Socket
Feature Header
SPI
V
RTC
SM Bus
I2C
A
T
X
24
p
C
on
n
ec
to
r
3.3V_RUN
5V_RUN
5V_ALW
12V_RUN
P
CI
-e
6
p
co
n
n
ec
to
r
C
PU
8
p
co
n
n
ec
to
r
12V_IM
2x USB 3.1 Type-A
connectors
USB 2.0 #[0..1]
USB 3.1 #[0..1]
RS-232 Header
Smart Battery
Connector
RSVD
FuSa
Header
FAN