Instruction Manual

AR-B1893 User’s Guide
AR-B11893 Pentium M inside (With VGA)
with On Board DDR, 4 Port built in LAN, 1 Mini PCI, 1 CF
15
3.5 Fan Connector
The AR-B1893 provides 3 connectors for CPU cooling fan &
system fan & they can be controlled by Super I/O Chip.
•
CPUF1, CPUF2 & CPUF3: Fan Connector for CPU & System
PIN NO. DESCRIPTION
1 Sense
2
12 V
3 Ground
3.6 LAN RJ45 Connector
AR-B1893 is equipped with built-in 2 x 10/100Mbps and 2 x
10/100/1000Mbps Ethernet Controller. You can connect it to your
LAN through RJ45 LAN connector. The pin assignments are as
following:
• LAN1, LAN2 : LAN RJ45 Connector
PIN NO. DESCRIPTION PIN NO. DESCRIPTION
1 TX+ 5. N/C
2 TX- 6. RX-
3. RX+ 7. N/C
4. N/C 8. N/C
LAN3, LAN4 : LAN RJ45 Connector
PIN NO. DESCRIPTION PIN NO. DESCRIPTION
1 TX0+ 5. TX1-
2 TX0- 6. RX0-
3. RX0+ 7. RX1+
4. TX1+ 8. RX1-
8
1
1
2
3
8
1