Unicorn Computer ENDAT-LX301, Руководство пользователя, Страница: 10 / 22

ENDAT-LX301 USERS MANUAL
UNICORN COMPUTER CORP.
19
SMB1: SM Bus Pin Header (1x4 with 2.54mm)
Pin No. Function Pin No. Function
1 SMBCK 3 +3.3V
2 SMBDT 4 GND
IRDA1: IR Pin Header (1x5 with 2.54mm)
Pin No. Function Pin No. Function
1 +5V 4 GND
2 N.C 5 IRTX
3 IRRX
GPIO1: DIGITAL I/O Pin Header (2x9 with 2.0mm)
Pin No. Function Pin No. Function
1 +5V 2 +3.3V
3 DIO-P0-0 4 DIO-P0-1
5 DIO-P0-2 6 DIO-P0-3
7 DIO-P0-4 8 DIO-P0-5
9 DIO-P0-6 10 DIO-P0-7
11 GND 12 GND
13 DIO-P1-0 14 DIO-P1-1
15 DIO-P1-2 16 DIO-P1-3
17 +3.3V 18 +5V
D-SUB Type Connector for COM2 port (RS-422
Æ
4 Wire)
Pin No. Function Pin No. Function
1 –TXD 6 NA
2 +RXD 7 NA
3
+TXD
8
NA
4 NA 9 –RXD
5 NA
D-SUB Type Connector for COM2 port (RS-485
Æ
2 Wire)
Pin No. Function Pin No. Function
1 Data – 6 NA
2 NA 7 NA
3 Data + 8 NA
4 NA 9 NA
5 NA
ENDAT-LX301 USERS MANUAL
UNICORN COMPUTER CORP.
20
ATXPWR: ATX Power connector
ATX
3.3V 11 1 3.3V
–12V 12 2 3.3V
GND 13 3 GND
PS ON 14 4 +5V
GND 15 5 GND
GND 16 6 +5V
GND 17 7 GND
–5V 18 8 POWER OK
+5V 19 9 5V SB
+5V 20 10 +12V
DC-IN1: DC Input Power
Pin No. Function
1 +V
2 GND
HDDPWR: DC Output Power for IDE device
Pin No. Function
1 +12V
2 GND
3 GND
4 +5V
2-2. Installing Memory
The ENDAT-LX301 CPU board offers one 184pin DDR DIMM socket supporting up to 1GB of
memory. The speed of DDR memory can be DDR200, DDR266, DDR333 or DDR400.
2-3. Shared VGA Memory
The ENDAT-LX301 is using built-in graphic controller with Unified Memory Architecture
(UMA) -
up to 254MB of system memory. The amount of video memory on motherboard
determines the number of colors and the video graphic resolution.