
Hercules III User Manual Rev A.2
www.diamondsystems.com
Page
33
7.5
PCI-104 Connector VIO (JP9)
Jumper JP9 enables selection of +3.3V or +5V for VIO on the PCI-104 connector as follows.
Pins
Jumper installed
Default
1-2
+5V PCI VIO power
No jumper
2-3
+3.3V PCI VIO power
Jumper
7.6
COM3 & COM4 Configuration (JP10, JP11)
COM3 and COM4 can be configured as follows using jumpers JP10 and JP11 respectively. The jumper settings
work the same on both JP10 and JP11.
Pins
Jumper installed
Default
1-3
Provides 47K pull up on RXD
No jumper
3-4
Provides 47K pull down on RTS
No jumper
5-6
Provides 47K pull up on DTR
No jumper
7-8
Provides 47K pull down on CTS
No jumper