C h a p t e r
1
System Board
The V55 is a high-performance system board with a 64-bit architecture.
It
supports the P54C, P55C, Cyrix M1 (P120+, P150+, P166+ - single and dual
voltage), AMD K5 (PR166), and AMD K6 (PR2
00
) CPUs.
The system
board utilizes the Peripheral Component Interconnect (PCI) local bus
architecture that maximizes the system performance by enabling high-speed
peripherals to match the speed of the microprocessor with its 120 MB or
132 MB per second transfer rate in burst mode.
Two DRAM banks composed of four 72-pin sockets come with the board to
support single- and double-density SIMMs for a maximum system memory
of 128 MB. The SIMM sockets accommodate both the standard page mode
and extended data output (EDO) SIMMs. An exclusive slot comes with the
board to allow a cache upgrade of up to 512 KB using a pipeline burst cache
module.
The two onboard PCI-enhanced IDE interfaces with a zero-wait state and
16.6 MB per second transfer rate support up to four IDE devices. Onboard I/
O interfaces comprise of two UART 16550 serial ports, a parallel port with
ECP/EPP feature, and PS/2 keyboard and mouse ports. An AT keyboard is
an option.
System Board
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Summary of Contents for V55 System
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