Pci Local Bus - NEC READY ES PRO Manual

The controller features:
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The PCI/ISA IDE Xcelerator provides the supporting PCI-to-ISA
bridge, PCI/IDE functionality, universal serial bus (USB) function,
and enhanced power management. The Xcelerator features:
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PCI local bus

The 32-bit industry-standard PCI bus is a highly-integrated
input/output (I/O) interface that offers the highest performance local
bus available for the Pentium processor. The PCI bus supports burst
modes that send large chunks of data across the bus, allowing fast
displays of high-resolution images.
The PCI bus operates at half the Pentium's processor speed. The bus
supports memory transfer rates of up to 105 MB per second for reads
and up to 120 MB per second for writes, depending on processor
configuration.
86 System specifications
microprocessor interface control
integrated L2 write-back cache controller
integrated DRAM controller
fully synchronous minimum latency PCI bus interface
power management control.
multifunction PCI to ISA bridge
USB controller
integrated dual-channel enhanced IDE interface
enhanced DMA controller
interrupt controller
power management logic
real-time clock.