3 AIMB-270 User Manual
Chapter 1 General Information
1.3.4 Graphics
! Controller: Intel® HD Graphics
! Display memory: 1 GB maximum shared memory with 2GB and above system
memory installed
! DVI: Supports DVI up to resolution 1920 x 1200 @ 60Hz refresh rate
! VGA: Supports VGA up to resolution 2048 x 1536 @ 75Hz refresh rate
! LVDS: Supports LVDS up to resolution 1920 x 1200
1.3.5 Ethernet LAN
! Supports dual 10/100/1000 Mbps Ethernet port (s) via PCI Express x1 bus
which provides 500 MB/s data transmission rate
! Controller: LAN1: Intel 82577LM; LAN2: Intel 82583v
1.3.6 Industrial features
! Watchdog timer: Can generate a system reset. The watchdog timer is pro-
grammable, with each unit equal to one second or one minute (255 levels)
1.3.7 Mechanical and environmental specifications
! Operating temperature: 0 ~ 60° C (32 ~ 140° F, Depending on CPU)
! Storage temperature: -40 ~ 85° C (-40 ~ 185° F)
! Humidity: 5 ~ 95% non-condensing
! Power supply voltage: +3.3 V, +5 V, +12 V, -12 V, 5 Vsb
! Power consumption:
Intel® Core™ i5-520M 2.4 GHz, 3 MB L2 cache, 2 pcs 4 GB DDR3 1066 MHz,
+5 V @ 3.42 A, +3.3 V @ 1.1 A, +12 V @ 1.19 A, 5 VSB @ 0.5 A, -12 V @ 0 A
Measure the maximum current value which system under maximum load (CPU:
Top speed, RAM & Graphic: Full loading)
! Board size: 170 mm x 170 mm (6.69" x 6.69")
! Board weight: 0.365 kg
1.4 Jumpers and Connectors
Connectors on the AIMB-270 motherboard link it to devices such as hard disk drives
and a keyboard. In addition, the board has a number of jumpers used to configure
your system for your application.
The tables below list the function of each of the board jumpers and connectors. Later
sections in this chapter give instructions on setting jumpers. Chapter 2 gives instruc-
tions for connecting external devices to your motherboard.
Table 1.1: Jumpers
Label Function
JFP1 Power switch/HDD LED/SMBus/Speaker
JFP2 Power LED and Keyboard lock
CMOS1 CMOS clear (Default 1-2)
PSON1 AT(1-2) / ATX(2-3) (Default 2-3)
JWDT1+JOBS1 Watchdog Reset and OBS Alarm
JCASE1 Case Open pin header
JLVDS1 Voltage 3.3V/5V selector for LVDS1 connector (Default 1-2, 3.3V)
JLVDS2 Voltage 12 V selector for LVDS1 and LVDS2 connector
