On-Board Connectors
Installation
1 - 8
ACC/RTB-735R2/736R2
Caution
• If more than two IDE devices are connected to the IDE bus, the bus is
not able to recognize all of the devices and the base board might not
start correctly. Therefore, only connect up to two devices to the sec-
ondary EIDE interface on the RTB.
• If the secondary EIDE interface on the RTB is connected to an external
device the PENT/CPCI-735R2/736R2 is hot-swappable but data may
get lost. Therefore, always save data on disk before installing or
removing the base board under hot-swap conditions.
Hard Disk Drives
Hard disk drives are connected to the secondary EIDE interface via an
EIDE connector. It is implemented with a 40-pin 2.54-mm pin-pitch connec-
tor with eject levers. The following connector pinout shows how the pins
are assigned.
Figure 3:
EIDE Connector Pinout
Flash Disk
If a flash disk is connected, it is the slave per default. To use the flash disk
as master set SW4-2 to ON.
The flash disk is connected to the secondary EIDE interface via a flash disk
holder with an ejector at the front panel.
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