DFI SU251/SU253 Reference guide

SU251/SU253
DFI
Brand
DFI
Model
SU251/SU253
Type
Reference guide

DFI SU251/SU253 is a versatile and feature-rich device that offers a wide range of capabilities for various applications. This device comes equipped with numerous ports and interfaces, making it easy to connect to various peripherals and external devices. It boasts multiple USB ports, including USB 2.0, USB 3.0, and USB 3.1, providing fast data transfer speeds and connectivity options for storage devices, printers, and other peripherals. Additionally, it features multiple COM ports, LAN ports, and a SATA interface for connecting to networks and storage drives.

DFI SU251/SU253 is a versatile and feature-rich device that offers a wide range of capabilities for various applications. This device comes equipped with numerous ports and interfaces, making it easy to connect to various peripherals and external devices. It boasts multiple USB ports, including USB 2.0, USB 3.0, and USB 3.1, providing fast data transfer speeds and connectivity options for storage devices, printers, and other peripherals. Additionally, it features multiple COM ports, LAN ports, and a SATA interface for connecting to networks and storage drives.

SU251/SU253
1
5
6
1
1
1
1
1
1
1
1
333
2
40
1
1
Mini PCIe
1
1
1
12
12
1
5
6
1
5
DC-in
1
2
1
2
10
Reset
Power
CPU fan
Front
Panel
(JP11)
JP6
JP12
DDR4 DDR4
DDR4
DDR4
COM 4
LAN 2
LAN 1
USB 2
USB 1
USB 3.0
USB 4
USB 3
COM 3
COM 2
COM 1
VGA
USB 3.0
SATA 3.0
USB 2.0 1/2
SPI Flash
BIOS
JP2
JP1
Battery
JP10
SMBus
1
2
1
2
2
JP7
JP9
JP8
39
Mini PCIe
MIC-inLINE-out
DP
Front Audio
SATA 0
SATA 2
SATA Power
LVDS LCD Panel
COM 5
COM 6
Chassis
Intrusion
Realtek ALC888
Intel
WGI210AT
LCD/Inverter
Power
JP3
JP4
JP5
COM4/DIO Pin Select
COM4/DIO Pin Select
Clear CMOS
eDP Panel
Voltage Select
eDP Invert
Voltage Select
Mini PCIe PCIe/
SATA Select
eDP Backlight
Voltage Select
(JP3)
(JP4)
(JP5)
(JP6)
(JP12)
Auto PWR ON
LVDS Backlight
Voltage Select
LVDS DIMM Control
LVDS Panel
Voltage Select
(JP1)
(JP2)
(JP7)
(JP8)
(JP9)
(JP10)
Note:
1. SU251: Single 12V +/-10% DC.
2. SU253: Wide Range 15~36V.
3. JP5, JP6 and JP12 will work when the optional eDP connector is
populated on the system board.
COM4/DIO Pin Select JP1
COM4 1-2, 4-5, 7-8, 10-11 On
DIO 2-3, 5-6, 8-9, 11-12 On
LVDS Panel Voltage Select JP10
+12V 1-2 On
+5V 3-4 On
+3V3 5-6 On
eDP Invert Voltage Select (optional) JP12
+12V 1-2 On
+5V 2-3 On
LVDS DIMM Control JP9
DC Mode 1-2 On
PWM Mode 2-3 On
LVDS Backlight Voltage Select JP8
+3V3 1-2 On
+5V 2-3 On
COM4/DIO Pin Select JP2
COM4 1-2, 4-5, 7-8, 10-11 On
DIO 2-3, 5-6, 8-9, 11-12 On
Mini PCIe PCIe/SATA Select JP3
PCIe 2-3 On
SATA 1-2 On
Clear CMOS Data JP4
Normal 1-2 On
Clear CMOS Data 2-3 On
eDP Backlight Voltage Select (optional) JP5
+3V3 1-2 On
+5V 2-3 On
Auto PWR ON JP7
Normal 1-2 On
Auto-PWR ON 2-3 On
eDP Panel Voltage Select (optional) JP6
+12V 1-2 On
+5V 3-4 On
+3V3 5-6 On
A43802750
www.dfi .com
The lithium ion battery powers the real-time clock and CMOS
memory. It is an auxiliary source of power when the main
power is shut off.
• Danger of explosion if battery incorrectly replaced.
• Replace only with the same or equivalent type recommend-
ed by the manufacturer.
• Dispose of used batteries according to local ordinance.
Batterie:
• Danger d’explosion si la batterie n’est pas correctement
remplacée.
• Remplacez seulement avec le même type ou équivalent
recommandé par le fabricant.
• Traitez des batteries usées selon le règlement local.
Battery Usage
Safety Measures
Mesure de Sécurité de l’usage de Batterie
Battery Notice
  • Page 1 1
  • Page 2 2

DFI SU251/SU253 Reference guide

SU251/SU253
DFI
Brand
DFI
Model
SU251/SU253
Type
Reference guide

DFI SU251/SU253 is a versatile and feature-rich device that offers a wide range of capabilities for various applications. This device comes equipped with numerous ports and interfaces, making it easy to connect to various peripherals and external devices. It boasts multiple USB ports, including USB 2.0, USB 3.0, and USB 3.1, providing fast data transfer speeds and connectivity options for storage devices, printers, and other peripherals. Additionally, it features multiple COM ports, LAN ports, and a SATA interface for connecting to networks and storage drives.

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