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PC/104-Plus Bus Chapter: Connectors

Beckhoff New Automation Technology CB4051 page 21

4.5 PC/104-Plus Bus

Expansion cards can be connected to the board using the PCI connector first introduced with the

PC/104-Plus standard. A maximum of four PC/104-Plus cards are supported.

The interrupt routing and the IDSEL signals for the expansion cards are specified in the PC/104-Plus

specification (see "Specifications and Documents", p. 12).

Description Name Pin Name Description

ground GND A1 B1 N/C reserved

3.3 volt - IO buffer power VIO A2 B2 AD2 PCI – address/data 2

PCI – address/data 5 AD5 A3 B3 GND ground

PCI – com/byte enable 0 CBE0# A4 B4 AD7 PCI – address/data 7

ground GND A5 B5 AD9 PCI – address/data 9

PCI – address/data 11 AD11 A6 B6 VIO 3.3 volt - IO buffer power

PCI – address/data 14 AD14 A7 B7 AD13 PCI – address/data 13

3.3 volt supply 3.3V A8 B8 CBE1# PCI – com/byte enable 1

PCI – system error SERR# A9 B9 GND ground

ground GND A10 B10 PERR# PCI – parity error

PCI – stop stop# A11 B11 3.3V 3.3 volt supply

3.3 volt supply 3.3V A12 B12 TRDY# PCI – target ready

PCI – frame FRAME# A13 B13 GND ground

ground GND A14 B14 AD16 PCI – address/data 16

PCI – address/data 18 AD18 A15 B15 3.3V 3.3 volt supply

PCI – address/data 21 AD21 A16 B16 AD20 PCI – address/data 20

3.3 volt supply 3.3V A17 B17 AD23 PCI – address/data 23

PCI – ID select slot 1 IDSEL0 A18 B18 GND ground

PCI – address/data 24 AD24 A19 B19 CBE3# PCI – com/byte enable 3

ground GND A20 B20 AD26 PCI – address/data 26

PCI – address/data 29 AD29 A21 B21 VCC 5 volt supply

5 volt supply VCC A22 B22 AD30 PCI – address/data 30

PCI – bus request slot 1 REQ0# A23 B23 GND ground

ground GND A24 B24 REQ2# PCI – bus request slot 3

PCI – bus grant slot 4 GNT1# A25 B25 VIO 5 volt - IO buffer power

5 volt supply VCC A26 B26 CLK0 PCI – clock slot 1

PCI – clock slot 3 CLK2 A27 B27 VCC 5 volt supply

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Beckhoff CB4051 Bedienungsanleitung Seite 21