User`s manual
24 PCA-6753F User's Manual
2.18 Keyboard and PS/2 mouse connector
(CN16)
The PCA-6753F board provides a keyboard connector. A 6-pin mini-
DIN connector (CN16) on the card mounting bracket supports single-
board computer applications. The card comes with an adapter to
convert from the 6-pin mini-DIN connector to a standard DIN
connector and to a PS/2 mouse connector.
2.19 ISA gold fingers (CN17, CN18)
The 16-bit ISA gold fingers are used for connecting the PCA-6753F
Series to an ISA passive backplane.
2.20 USB connector (CN20)
The PCA-6753F board provides two USB (Universal Serial Bus)
interfaces, which give complete plug and play and also hot
attach/detach for up to 127 external devices. The USB interfaces
comply with USB specification rev. 1.0 and are fuse protected.
The USB interfaces are accessed through a 10-pin flat-cable connec-
tor, CN20. The adapter cable has a 10-pin connector on one end and a
USB connector on the bracket.
The USB interfaces can be disabled in the system BIOS setup.
2.21 ATX power button (CN21, pins 2,4)
The PCA-6753F provides an ATX power input connector. When
connected with the ATX power switch, the ATX power switch
connector (CN21) enables power On/Off from the chassis.










