HP Vectra XU 6/XXX HP Vectra XU 6/xxx, Guide to Optimizing performance - Page 31

Installing Fast Peripherals on the PCI Bus

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The PCI Bus 1 Your PC's Performance Features Installing Fast Peripherals on the PCI Bus Installing Fast Peripherals on the PCI Bus The HP Vectra XU PC provides six slots for accessory boards. Two of these slots are already occupied by your advanced graphics controller and LAN controller. The remaining four slots are available for installing accessory boards and can be used to add extra peripheral devices to your PC. These slots are of two different types. Your PC uses the Peripheral Component Interconnect (PCI) bus as the main channel for connecting peripheral devices. Your PC also provides an Industry Standard Architecture (ISA) bus for backwards compatibility with any ISA accessory boards you may need to use. The difference in performance between the PCI bus and the ISA bus is significant; the PCI bus can transfer data more than 16 times faster than the ISA bus. The PCI bus is 32-bits wide and can transfer data at up to 132 MB per second The ISA bus is 16-bits wide and can transfer data at up to 8 MB per second English 25

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English
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1
Your PC’s Performance Features
Installing Fast Peripherals on the PCI Bus
Installing Fast Peripherals on the PCI Bus
The HP Vectra XU PC provides six slots for accessory boards. Two of
these slots are already occupied by your advanced graphics controller
and LAN controller. The remaining four slots are available for installing
accessory boards and can be used to add extra peripheral devices to
your PC. These slots are of two different types.
The PCI Bus
Your PC uses the Peripheral Component Interconnect (PCI) bus as the
main channel for connecting peripheral devices. Your PC also provides
an Industry Standard Architecture (ISA) bus for backwards
compatibility with any ISA accessory boards you may need to use.
The difference in performance between the PCI bus and the ISA bus is
significant; the PCI bus can transfer data more than 16 times faster
than the ISA bus.
The PCI bus is 32-bits
wide and can transfer
data at up to 132 MB
per second
The ISA bus is 16-bits wide
and can transfer data at up to
8 MB per second