2. DFI
  3. HU551/HU553

DFI HU551/HU553 Reference guide

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HU551/HU553
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USB Power Select: 1-2 (JP26), 3-4 (JP23), 4-5 (JP25)
+5V (default) 1-2 On
+5V_standby 2-3 On
Panel Power Select JP7
+12V 1-2 On
+5V 3-4 On
+3.3V (default) 5-6 On
Auto Power-on Select JP22
Power-on via power button (default) 1-2 On
Power-on via AC power 2-3 On
Backlight Power Select JP18
+12V 1-2 On
+5V (default) 2-3 On
Standby
Power LED
1
10
9
2
Front
Audio
1
1
1
1
1
1
1
1
21
39
40
LVDS LCD
Panel
DDR3L_1 SODIMM
21
109
USB 4-5
1
2
Battery
1
System
Fan
Buzzer
1
CPU Fan
1
LCD/Inverter
Power
1
SATA 1
1
SATA 0
Digital I/O
1
2
11
12
Front Panel
1
SATA
Power
COM 3
LAN 1
LAN 2
SIM
Realtek
ALC888
Intel
WGI210AT
1
210
9
COM 1
12
109
COM 2
12
109
2
1
5
6
SMBus
21
56
Panel Power
Select (JP7)
Clear CMOS
Data (JP1)
USB 2
USB 1
USB 3.0
USB 3-4 Power
Select (JP23)
DC-in
4-pin power
(optional)
DP 1
DP 2
Mini PCIe 2
USB 2.0
SATA 3.0
SATA 3.0
Backlight Power
Select (JP18)
Chassis Intrusion
USB 4
USB 3
USB 3.0
USB 4-5 Power
Select (JP25)
USB 1-2 Power
Select (JP26)
Auto Power-on
Select (JP22)
Mini PCIe Signal
Select (JP17)
Mini PCIe 1
1
122
11
2
ON
1
LVDS Channel
and bpp Select
(SW1)
LPC
NXP
PTN3460
Intel
BGA 1168
Nuvoton
NCT6106
Intel
I218
Mini PCIe Signal Select JP17
PCIe (default) 1-2 On
mSATA 2-3 On
Switch 1 1 On 1 Off 2 On 2 Off
LVDS Channel
and bpp Select
Single
LVDS
Dual
LVDS
VESA
(24bpp)
JEIDA or
VESA
(18bpp)
Clear CMOS Data JP1
Normal (default) 1-2 On
Clear CMOS Data 2-3 On
Note:
1. HU551: 12V DC-in jack (default) or 4-pin power
connector (optional).
2. HU553: 15~36V DC-in jack (default) or 4-pin power
connector (optional).
www.dfi .com
934-HU5511-0A0G
A33901435
Battery Notice
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
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
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