User`s manual

76 CMX34GS cpuModule BDM-610000082 Rev A
Jumper Settings and Locations
Many cpuModule options are configured by positioning jumpers. Jumpers are labeled on the board as JP
followed by a number.
Figure 7 shows the jumper locations that are used to configure the cpuModule. Table 53 lists the jumpers and
their settings.
Figure 7 CMX34GS Jumper Locations (top side)
Table 53 CMX34GS Jumpers
Jumper Pins Function Default
JP5 2Reserved open
JP6 2 Used to disable the Bus Stacking Error detection. See PCIe/104 Type 2
Compatibility on page 47.
pins 1–2: Disable Bus Stacking Error detection
open: Enable Bus Stacking Error detection (normal operation)
open
JP5 + JP6 2 Used to configure serial port connector CN7 as single RS-232, and sends
the POST codes on the transmit pin. See Serial Power-On-Self-Test (POST)
Code Output on page 73
pins 1–2 ( JP5 and JP6): Enable POST Codes over Serial Port CN7
open: Normal operation
open
JP6
JP5