CP302
Functional Description and Configuration
ID 21112, Rev. 05
Page 2 - 25
®
PEP Modular Computers GmbH
2.6.10 Rear I/O Interface
The CP302 board provides optional Rear I/O connectivity for peripherals for special
compact systems. Some standard PC interfaces are implemented and assigned to the
front panel and to the rear connector J2.
When the Rear I/O module is used, the signals of some of the main board/front panel
connectors are routed to the module interface. Thus the Rear I/O module makes it much
easier to remove the CPU in the rack as there is practically no cabling on the CPU
board.
For this configuration two versions are available. One with 64-bit/33 MHz CompactPCI
and reduced Rear I/O functionality and one with 32-bit/33 MHz and some Rear I/O
peripherals.
For the system Rear I/O feature a special backplane is necessary. The CP302 with Rear
I/O is compatible with all standard CompactPCI passive backplanes with Rear I/O
support on the system slot.
The CP302 Rear I/O provides the following interfaces, all signals are available on J2
only when the board is ordered for Rear I/O functionality:
32-bit CompactPCI and Rear I/O
•
32-bit/33 MHz CompactPCI
•
PS/2 keyboard
•
PS/2 mouse
•
Two USB ports
•
Ethernet port without LED
•
Two COM ports
•
VGA CRT interface
•
Second EIDE port
•
Fan control input
The following ports may be used either for rear or front I/O, the combination of both rear
and front is not possible.
•
Ethernet port without LED
•
Two COM ports
•
VGA CRT interface
•
Second EIDE port
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