
SB-X270 PC/104+ Single Board Computer
CompuLab LTD.
3.13. PC/104+ PCI bus connector (P5)
Standard PC/104+ (PCI bus) connector. The CM-X270 PCI bus lines are directly
connected to the PC/104+ connector. All non-obvious connections are mentioned in notes.
Pin
Name Notes Pin Name Notes
A01 KEY2 N/C B01 (reserved)
A02 V I/O 3.3V B02 AD02
A03 AD05 B03 GND
A04 CBE0# B04 AD07
A05 GND B05 AD09
A06 AD11 B06 V I/O 3.3V
A07 AD14 B07 AD13
A08 +3.3V B08 CBE1#
A09 SERR# B09 GND
A10 GND B10 PERR#
A11 STOP# B11 +3.3V
A12 +3.3V B12 TRDY#
A13 FRAME# B13 GND
A14 GND B14 AD16
A15 AD18 B15 +3.3V
A16 AD21 B16 AD20
A17 +3.3V B17 AD23
A18 IDSEL0 AD28 via 150R B18 GND
A19 AD24 B19 CBE3#
A20 GND B20 AD26
A21 AD29 B21 +5.0V
A22 +5.0V B22 AD30
A23 REQ0# PCI-REQ0# B23 GND
A24 GND B24 REQ2# PCI-REQ2#
A25 GNT1# PCI-GNT1# B25 V I/O 3.3V
A26 +5.0V B26 CLK0
A27 CLK2 B27 +5.0V
A28 GND B28 INTD# PCI-INTD#
A29 +12V N/C B29 INTA# PCI-INTA#
A30 -12V N/C B30 (reserved)
Pin
Name Notes Pin Name Notes
C01 +5.0V D01 AD00
C02 AD01 D02 +5.0V
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