List of computer bus interfaces

This is a partial list of expansion bus interfaces, or expansion card slots, for installation of expansion cards.

Bus interfaces

Interface name Year introduced Connector Max transfer Main use Notes
CAMAC 1972 Processor independent Industry use.
S-100 1974 2×50 2.54 mm card edge Designed around Intel 8080 but used with other processors too Homebrew and industry use.
VME 1981 DIN 41612 10 MByte/s Motorola 68000 based Industry use.
STEbus 1983 DIN 41612 a+c rows ? Processor independent based Industrial quality bus, 8-bit data / 20-bit address. Eurocard sized.
Acorn system bus 1979 DIN 41612 a+b rows ? 6502 based 8-bit data / 16-bit address.
ISA-8 1981[1] 2×31 2.54 mm 1.99 MByte/s[2] IBM PC Widespread.
ISA-16 1984[3] 2×31 + 2×18 2.54 mm 3.97 MByte/s[4] IBM AT Widespread.
Amiga Zorro II 1985[5] 2×50 2.54 mm card edge 3.56 MByte/s Amiga Auto configuration.
Micro Channel 1987[6] edge card 40 MByte/s IBM PS/2 32-bit and 16-bit versions
EISA 1988[7] edge card 20 MByte/s IBM clones 32-bit version of ISA-16 more or less.
NuBus 1987 DIN 41612 40 MByte/s NeXT, Macintosh II
Amiga Zorro III 1990[8] 2×50 2.54 mm card edge 150 MByte/s Amiga Multiplexed 32-bit.
PDS 1990 DIN 41612 Macintosh LC
PCI-32/33 1993[9] card edge 133 MByte/s Widespread.
PCI Express 2004[10] card edge 250 MByte/s P2P highspeed PCI.
VPX 2004[11] MultiGig RT2[12] ? Provides VMEbus-based systems with support for switched fabrics. Designed specifically with defense applications in mind. Working group is OpenVPX. VPX computer bus standard - V -VME and P -PCI and X the extents for both buses standards.
VXI 1987[13] 160 MByte/s[14] Multivendor standard for automated testing expansion cards. Working group is VXIConsortium.
  • Bus interfaces
  • ISA
    ISA
  • EISA
    EISA
  • NuBus
    NuBus
  • PCI
    PCI
  • PCI Express ×16 slot
    PCI Express ×16 slot
  • PCI Express ×1 slot
    PCI Express ×1 slot

See also

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Wikimedia Commons has media related to Computer buses.

References

  1. ^ wiki: Industry Standard Architecture
  2. ^ Programmed I/O 4 cycles at 8.33 MHz: '(8*8330000*(1/4))/(8*2**20)
  3. ^ wiki: Industry Standard Architecture
  4. ^ '(16*8330000*(1/4))/(8*2**20)
  5. ^ Introduction year of the A1000
  6. ^ wiki: Micro Channel
  7. ^ wiki: Extended Industry Standard Architecture
  8. ^ Introduction year of the A3000
  9. ^ wiki: Conventional PCI
  10. ^ wiki: PCI Express
  11. ^ wiki: vpx
  12. ^ TE Connectivity
  13. ^ NI white paper on VXI
  14. ^ wiki: VME eXtensions for Instrumentation

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