Appendix B Hardware Configuration
NI 8352/8353 User Manual B-12 ni.com
Serial Port Header: COM2
The motherboard includes two serial headers, COM1 (J31) and COM2.
COM1 is a port located next to VGA port.
Figure B-16. Serial Port Header (COM2)
PCI Express Slot
The mainboard provides one PCI Express x8 slot. This PCIE_1 slot accepts
x8 cards and runs at x8 speeds, with an extra PCIE_3 slot for riser cards.
The slot is PCI Express Specification v1.0a compliant. (You cannot
directly plug in a PCI Express board. The riser card is required to provide
power to the board.)
Figure B-17. PCI Express Slot
Table B-5. Serial Port Header Connector Signals
Pin Signal Name Signal Description
1CD Data carry detect
2RD Serial in or receive data
3TD Serial out of transmit data
4DTR Data terminal ready
5GND Ground
6DSR Data set ready
7RTS Request to send
8CTS Clear to send
9RI Ring indicate
2
9
1