1-10 Chapter 1: 7401-2xxx and 3xxx Product OverviewHardware Module DescriptionsProcessor BoardProcessor/Chip SetThe terminal uses an Intel architecture processor, which permits it toleverage existing software drivers and applications, as well as providethe greatest flexibility in choosing an operating system. This providesseveral other advantages:• Capable of SW MPEG-1 or MPEG-2 playback at 30 frames persecond with 22 kHz stereo audio (may be limited by OSconstraints).• SoundBlaster®-compatible audio• Expansion capabilities for optional features and futurerequirements (ISA/PCI bus and USB)The following sections identify processors, system bus speed, and on-board memory available on 7401 processor boards:Release 1.0• Intel Mobile Pentium 166 MHz or 266 MHz Processor (PGApackage) used with the Intel 430TX PC chipset. The 430TX chipsetconsists of the 82439TX System Controller (North Bridge chip), alsocalled the MTXC, and the 82371AB (South Bridge chip), also calledthe PIIX4.• A 66 MHz system busNote: These Intel Mobile Pentium Processors have beendiscontinued.