Chapter2 Installingand Configuring the Device
©NationalInstruments Corporation 2-3 ATE Series User Manual
Application softwarecan query the Configuration Manager to determine
theresources assigned to each devicewithout your involvement. The Plug
andPlay software is installed as a device driver or as an integral component
ofthe computer BIOS.
Switchless Data Acquisition
Youcan use an AT E Series device in a non-Plug and Play system as a
switchlessDAQ device. A non-Plugand Play system is a system in w hich
the Configuration Manager has not been installed and which does not
containany non-NI Plug and Play products.You use a configuration utility
to enter the base address, DMA, and interrupt selections, and the
application software assigns them to the device.
Note Avoidresource conflicts with non-NI devices. For example, do not configure two
devicesfor the same base address.
Base I/O Address Selection
The ATE Series devices can be configured to use base addressesi n the
rangeo f20 to FFE0 h ex.Each AT E Series device occupies 32 bytes of
addressspace and must be located on a 32-byteboundary. Therefore, valid
addresses include 100, 120, 140, ..., 3C0, 3E0 hex. This selection is
software configured and does not require you to manually change any
settings on the device.
DMA Channel Selection
The ATE Series devices can achieve high transferrates by using up to
three 16-bit DMAch annels. You can use theseDMA chann elsf ord ata
transferswith the AI, AO, and general-purpose counter sections of the
device.The AT ESeries devices can use only 16-bit DMA channels, which
correspond to channels 5, 6, and 7 in an ISA computer and channels 0, 1,
2,3 , 5, 6, and 7 in an EISA computer. These selections are all software
configured and do not require you to manually change any settings on the
device.
Interrupt Channel Selection
TheAT E Seriesdevices can increase bus efficiency by using an interrupt
channel.You can use an interrupt channel for event notification without the
use of polling techniques. AT E Series devices can use interrupt channels
3,4 , 5, 7, 10, 11, 12, and 15. These selections are all software configured
and do not require you to manually change any settings on the device.