SOYO 5EAS5 P55C - Manual (Page 42)

Appendix B :
Quick Installation Guide
This leaflet is meant to help you set the jumpers for your 5EAS motherboard in
order to boot the motherboard. Please refer to Diagram 1 for the location of the
relevant jumpers:
Diagram 1: Board layout
Table 1 :
Jumper settings for CPU voltage and frequency
Voltage Settings: JP32 (JP30, JP31) CPU frequency settings: JP10, 11, 12 / JP13, 14
voltage 1-2 3-4 5-6 7-8 JP30 JP31 frequency: JP10 JP11 JP12 multiplier JP13 JP14
single 3.52V close close close close open close 50 Mhz 2-3 2-3 2-3 1.5 / 3.5x open open
single 3.3V close close open close open close 55 Mhz 2-3 2-3 1-2 2.0x close open
dual 3.2V close close open open close open 60 Mhz 1-2 2-3 2-3 2.5x close close
dual 2.9V close open open close close open 66 Mhz 2-3 1-2 2-3 3.0x open close
dual 2.8V close open open open close open 75 Mhz 1-2 2-3 1-2
Table 2: Additional jumper settings
CMOS clear: J5 PCI bus synchronous / asynchronous:
J16 Sleep Switch connector: J23
PCI bus: JP16 Retain CMOS
data (default)
1-2
synchronous 1-2
connect a switch to this jumper, Any
IRQ will wake up the system.
asynchronous 2-3 Reset: J19 HDD Led: J24 Clear CMOS data
2-3 note: Set JP16 to 2-3 when 75 Mhz bus
clock is selected, for 50 and 55 set 1-2.
Connect the reset
button to J19 connect the HDD
led to J24
J100: Cyrix CPU linear burst enable Speaker: J18 Powerled: J17
Close this jumper when using a Cyrix CPU. Set the ‘linear burst’
item in the BIOS under ‘chipset features’ to enabled as well when
setting this jumper. (default setting is disabled) connect the speaker
to J18 connect keylock
& power led to
J17