Computer Hardware User Manual

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Microprocessor The Matrox 4Sight-M motherboard supports either the Intel Celeron M
microprocessor, running at 1.3 GHz, or an Intel Pentium M microprocessor,
running at 1.6 GHz.
Chipset The chipset consists of the Intel 855GME graphics and memory hub controller
(GMCH) and the Intel ICH4 I/O hub controller (ICH).
The Intel 855GME components include:
• A Host interface that transfers data between the processor, computer memory,
and peripherals at a rate of 400 MHz.
• A computer memory (DRAM) controller, which can support a 64-bit DIMM
main memory interface, running at up to 333 Mhz.
The Intel ICH4 components include:
• A PCI interface, which can transfer data over the 32-bit PCI bus at rates up to
133 Mbytes/sec.
• An EIDE controller, working in UltraDMA-33/66/100 master mode.
• A USB 2.0 controller.
• A RealTime clock.
• A LAN controller 10/100 Mbits/sec.
• A digital audio controller.
• Power management features.
The Intel ICH4 interfaces with the BIOS, via a LPC bus. In addition, it interfaces
with the 855GME GMCH via the hub link (version 1.5) interface at 266
Mbytes/sec.
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