Jumper; Jp9: ............................... Smart Detect Cpu Voltage Function Auto/Manual Jumper; Jp37: Dimm Voltage Select Jumper; Jp38: Flash Rom Select Jumper - SOYO 5XBE5 User's Manual & Technical Reference

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JP9: Smart Detect CPU Voltage function Auto/Manual

Jumper

This jumper is reserved for few old non-Intel CPUs which can not be
detected correctly. If you run into problems while detecting the voltage
of old non-Intel CPUs, remove this jumper to correct it.

JP37: DIMM Voltage Select Jumper

Most of DIMMs in the consumer market is still 3.3V and this jumper is
reserved only for upgrading purpose in the near feature. If you have 5V
SIMM or DIMM which matches the existing 3.3V DIMM socket on this
mainboard, than you need to set this jumper to 5V before installing the
DIMM.
Caution: Do not change this jumper to 5V setting unless you are sure
that your DIMMs are 5V. The wrong setting may cause the
system malfunction.

JP38: Flash ROM Select Jumper

DIMM Voltage
3.3V (default)
5V
Flash ROM Brand
SST, MXIC,
WINBOND,
ATMEL
INTEL
Hardware Setup
JP37
1
1
JP38
(default)
1
1