Chapter 2. System-Board Features
Chapter 2. System Board Features
This section includes information about system board features. For an illustration of the system board,
see “System Board, Type 6893” on page 16.
Microprocessor
The IntelliStation E Pro comes with an Intel Pentium II microprocessor with MMX technology. The
microprocessor, which has a heat sink attached, plugs directly into a connector on the system board. For
information on replacing a microprocessor or installing an upgrade, refer to
Installing Options in Your
IntelliStation E Pro.
Pentium II Microprocessor with MMX Technology
The features of this microprocessor are as follows:
Optimization for 32-bit software
Operation at a lower voltage level than previous microprocessors
64-bit microprocessor data bus
100 MHz FSB
512 KB L2 cache with ECC
32-bit microprocessor address bus
Math coprocessor
MMX technology, which boosts the processing of graphic, video, and audio data
L2 cache integrated into the microprocessor
– 4-way set associative
– Nonblocking
– 50-percent processor speed performance increase over placement of L2 cache on the system
board
More information on these microprocessors is available at http://www.intel.com on the World Wide Web.
Chip Set Control
Two components, the Intel 440BX and PIIX4E, make up the chip set that is the interface between the
microprocessor and the following:
Memory subsystem
PCI bus
Busmaster IDE connection
High-performance, PCI-to-ISA bridge
USB ports
SMBus
AGP bus
Enhanced DMA controller
RTC
Copyright IBM Corp. September 1998
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