National Instruments PXIe-8840 User Manual

© National Instruments | 3-13
PXIe-8840 User Manual
ExpressCard/34 Slot
The PXIe-8840 controller ExpressCard variant is equipped with an ExpressCard/34 slot on the
front panel, providing I/O expansion and options for removable storage, Ethernet, and a variety
of other I/O.
Figure 3-8 shows the location and pinouts for the ExpressCard/34 slot on the PXIe-8840.
Table 3-10 lists and describes the ExpressCard connector signals.
Figure 3-8. ExpressCard/34 Slot Location and Pinout
Table 3-10. ExpressCard Connector Signals
Pin Signal Name Signal Description
1 GND Ground
2 USBD- USB Data -
3 USBD+ USB Data +
4 CPUSB# USB Presence
5 RESERVED Reserved by spec for future use
6 RESERVED Reserved by spec for future use
7 SMBCLK SMBus Clock
8 SMBDATA SMBus Data
9 +1.5V Power
ExpressCard/34
Slot
1
26
NI PXIe-8840
Embedded Controller

National Instruments PXIe-8840 Specifications

General

Brand	National Instruments
Model	PXIe-8840
Category	Controller
Language	English