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ASUS AT3IONT-I Series 1-2
1.2.2 Layout contents
1.2 Motherboard overview
1.2.1 Motherboard layout
Place four screws into the holes indicated by circles to secure the motherboard to the
chassis. DO NOT overtighten the screws! Doing so can damage the motherboard.
Ensure that you install the motherboard into the chassis in the correct orientation. The edge
with external ports goes to the rear part of the chassis.
Place this side towards
the rear of the chassis.
AT3IONT-I DELUXE
USB910
USB78
AAFP
SATA_PWR1
CHA_FAN
PWR_FAN
CPU_FAN
Lithium Cell
CMOS Power
RCA_OUT
RTL
8112L
ALC
887
Super
I/O
8Mb
BIOS
SB_PWR
CLRTC
17.1cm(6.75in)
17.1cm(6.75in)
NVIDIA
®
ION
DDR3 DIMM_A1 (64bit, 240-pin module)
Intel
®
Atom 330
DDR3 DIMM_A2 (64bit, 240-pin module)
SATA1SATA2
SATA3SATA4
KB_USB56
AUDIO
LAN1_USB12
BT_USB34
COM1
F_PANEL
CHASSIS
SPDIF_O
HDMI
VGA
PCIEX16
WLAN
6
21 3
7
5
12 11 10 8
4
9
DC_PWR/
WiFi
Antenna
Connectors/Jumpers/Slots/LED Page Connectors/Jumpers/Slots/LED Page
1.
CPU, power, and chassis fan connectors (3-pin
CPU_FAN, 3-pin PWR_FAN, 3-pin CHA_FAN)
1-13 7.
System panel connector (10-1 pin
F_PANEL)
1-14
2. Serial port connectors (10-1 pin COM1) 1-15 8. Clear RTC RAM (3-pin CLRTC) 1-8
3. Atom 330 processor 1-3 9. Onboard LED (SB_PWR) 1-1
4. DDR3 DIMM slots 1-3 10.
Serial ATA connectors (7-pin SATA1,
SATA2, SATA3, SATA4)
1-11
5. SATA power connectors (4-pin SATA_PWR1) 1-12 11.
Front panel audio connector (10-1 pin
AAFP)
1-13
6. Chassis intrusion connector (4-1 pin CHASSIS) 1-14 12. USB connector (10-1 pin USB78, USB910) 1-12
ASUS AT3IONT-I Series motherboards include AT3IONT-I and AT3IONT-I DELUXE two
models The layout varies with models. The layout illustrations in this user guide are for
AT3IONT-I DELUXE only.