Chapter1 Introduction
NI8171 Series User Manual 1-4 ni.com
The NI 8171 series consists of the followingl ogic blocks on the CPU
module and the I/O (daughter card) module. The CPU module has the
followinglogic b locks:
•Socket370 CPU ist he socket definition for the Intel Pentium III
processorfamilies.
•TheSO-DIMM block consists of a 64-bit SDRAM socket that can hold
up to 256 MB.
•The Chip Set GMCH connects to the CPU, SDRAM, and video.
•The SMB to PXI triggers provide a routable connection of the PXI
triggers to/from the SMB on the front panel.
•TheWatchdog Timer block consists of a watchdog timer that can reset
the controller or generate a trigger.
•The Chip Set ICH2 connects to the PCI busUSB, IDE, LPC, and
Ethernetports.
•The USB connector connects the chip set to the UniversalSerial Bus
interface.
•The PXIc onnector connects the NI 8171 series to the
PXI/CompactPCI backplane.
•The Keyboard/Mouse block contains the PS/2 keyboardand mouse
interface.
•The Super I/O block represents the other peripherals supplied by the
NI8 171 series. The NI 8171 series has up to two serial ports, an
ECP/EPP parallel port, and a 1.44 MB, 3.5 in. floppy drive.
•TheIDE block is dedicated PCI-IDE circuitry providing fast ATA-100
transfers to the internal hard drive.The IDE feature is built into the
chip set.
•The 10/100 Enet connects to either 10 Mbit or 100 Mbit Ethernet
interfaces.
•Internal 1.44 MB floppy drive(NI 8176 and NI 8175 only)
•2.5 in. hard drive—10GB or larger
•TFT LCD interfacefo r PXI-1020 and PXI-1025 chassis
•USB-to-PS/2 interfacefor PXI-1020 and PXI-10 25 chassis