List of Intel chipsets

This article provides a list of motherboard chipsets made by Intel, divided into three main categories: those that use the PCI bus for interconnection (the 4xx series), those that connect using specialized "hub links" (the 8xx series), and those that connect using PCI Express (the 9xx series). The chipsets are listed in chronological order.

Pre-chipset situation

Early IBM XT-compatible mainboards did not have have chipset yet, but relied instead on a collection of discrete TTL chips by Intel:

  • the 8284 clock generator
  • the 8288 bus controller
  • the 8254 Programmable Interval Timer
  • the 8255 parallel I/O interface
  • the 8259 Programmable Interrupt Controller
  • the 8237 DMA controller

    • Early chipsets

    To integrate the functions needed on a mainboard into a smaller amount of ICs, Intel licensed the ZyMOS POACH chipset for its Intel 80286 and Intel 80386SX processors (the 82230/82231 High Integration AT-Compatible Chip Set). This chipset can be used with an 82335 High-integration Interface Device to provide support for the Intel 386SX.

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