SBC86840 Series All-In-One Mini ITX Board User’s Manual
Jumpers and Connectors
36
Pin
Description
Pin
Description
29 GND
30
SMB_CLK
31 PCIE_TXN
32
SMB_DATA
33 PCIE_TXP
34
GND
35 GND
36
USB_D-
37 N.C
38
USB_D+
39 N.C
40
GND
41 N.C
42
N.C
43 N.C
44
N.C
45 N.C
46
N.C
47 N.C
48
+1.5V
49 N.C
50
GND
51 N.C
52
+3.3V
2.4.22 CompactFlash
TM
Socket: CNS2 (Optional)
The board is equipped with a CompactFlash
TM
disk type-II socket on
the solder side to support an IDE interface CompactFlash
TM
disk card
with DMA mode supported. The socket is especially designed to avoid
incorrect installation of the CompactFlash
TM
disk card. When installing
or removing the CompactFlash
TM
disk card, please make sure the
system power is off. The CompactFlash
TM
disk card is defaulted as the
C: or D: disk drive in your PC system.
This connector is optional. It is not mounted as a default
design.
Pin
Description
Pin
Description
1 GND
2 Data
3
3
Data 4
4
Data 5
5
Data 6
6
Data 7
7 CS0-
8 Address
10
9 ATASEL
10 Address
9
11
Address 8
12
Address 7
13 +5V
14 Address
6
15
Address 5
16
Address 4
17
Address 3
18
Address 2
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