
DNA 120 Quick Reference Guide
1
1
1
USB2
SATA2
SATA1
FAN1
VGA1
LED1
COM2
USB1
MINI_PCIE1
JP1
CN2
SW3
J1
SW1
LAN1
DIMM1
LAN2
RTC BAT
CN1
J2 SW2
BAT1
COM1
STAT1: SATA III Ports
2
3
5
6
1
TXPGND
GND
GND
TXN
RXN
RXP
4
7
Pin Description Pin Description Pin Description Pin Description
01 GND 2 SATA
_
TX0P
_
C 03 SATA
_
TX0N
_
C 04 GND
05 SATA
_
RX0N
_
C 06 SATA
_
RX0P
_
C 07 GND
STAT2: SATA III Ports
1GND
GND
GND RXP
RXN
TXN
TXP2
3
5
6
4
7
Pin Description Pin Description Pin Description Pin Description
01 GND 2 SATA
_
TX0P
_
C 03 SATA
_
TX0N
_
C 04 GND
05 SATA
_
RX0N
_
C 06 SATA
_
RX0P
_
C 07 GND
SW1: Power Button
1
4
A1
MH1
2
3
C1
MH2
Pin Description Pin Description Pin Description Pin Description
01 GND 2 PBT
_
PU 03 PBT
_
PU 04 GND
A1 PWRLED
_
N C1 N16670343 MH1 GND MH2 GND
SW3: HW RESET BUTTON
21
Pin Description
01 GND
02 RST_BTN#
USB2: USB Port
1
2
3
4
MH1
MH2
5
VCC
GND
GND
GND
DATA1-
DATA1+
VCC
GND
GND
GND
DATA1-
DATA1+
6
7
8
MH3
MH4
Pin Description Pin Description Pin Description Pin Description
01 USB2_5V 02 USB_0N_C 03 USB
_
0P
_
C 04 GND
05 USB2_5V 06 USB_1N_L 07 USB_1P_L 08 GND
MH1 USBCH_GND MH2 USBCH_GND MH3 USBCH_GND MH4 USBCH_GND
USB1: USB JST Port
1
2
3
4
5
6
Pin Description Pin Description Pin Description
01 P5V
_
USB
_
P23 02 USB
_
3N
_
C 03 USB
_
3P
_
C
04 N/A 05 N/A 03 GND
J1: CPLD Port
1
2
3
4
5
6
Pin Description Pin Description Pin Description
01 P3V
_
SB 02 GND 03 GAL
_
TCK
04 GAL
_
TDO 05 GAL
_
TDI 03 GAL
_
TMS
CN1: SATA Power
1
2
3
4
Pin Description Pin Description
01 +12V 02 GND
03 GND 04 VCC5
COM1: COM Port (RS-232):
Pin Description Pin Description Pin Description Pin Description Pin Description
01 N/A 02 SIO
_
RXD
_
1 03 SIO
_
TXD
_
1 04 N/A 05 GND
06 N/A 07 SIO
_
RTS
_
1 08 SIO
_
CTS
_
1 09 N/A 10 GND
COM2: Console Port
MH1
MH2
GND
D0P
D0N
D1P
D2N
D2P
D1N
D3P
D3N GND
1
2
3
4
5
6
7
8
Pin Description Pin Description Pin Description Pin Description Pin Description
01 SIO_RTS_0 02 N/A 03 SIO_TXD_0 04 GND 05 N/A
06 SIO_RXD_0 07 N/A 08 SIO_CTS_0
MH1
COM1_GND
MH2
COM1_GND
SW2: Clear CMOS
1
2
4
3
Pin Description Pin Description
01 RTC
_
TEST# 02 SRTC
_
RST#
03 GND 04 GND
FAN1: 4P FAN Connector
1
2
3
4
Pin Description Pin Description
01 GND 02 V12S
03 FAN1
_
R 04 FANPWM1
_
R
BAT1: Battery Socket
MH1
MH2
1
2Pin Description Pin Description
01 GND 02 RTC_BAT
03 GND GND
J2: SATA DOM Power
1
2
Pin Description
01 VCC5
02 GND
JP1: ATX/AT Select
1
2
3
Pin Description Pin Description
01
SWITCH_PWRBTN#
02
MCU_PWRBTN#
03 N16910676
LED1: System LED
C1
A1
C2
A2
Pin Description Pin Description
A1 HD
_
LED A2 STATUS
_
LED
_
G
C1 SATA
_
LED
_
V3P3# C2 STATUS
_
LED
_
Y
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