User manual

Page 50
IEI
®
Technology, Corp.
PPC-5170GS Flat Panel PC
3.5.6 CPU Voltage Setting (S3)
Two different types of CPU can be used on the POS-8520 motherboard. One is Pentium 4
CPU and the other is Pentium4-M CPU. Use the CPU voltage setting jumper (S3) to
configure the power of CPU. When using Pentium 4 CPU, please open S3 jumper. CPU
VID automatically configures the power of CPU. When using Pentium 4-M CPU, short 1-2,
7-8, 11-12 pins and open 3-4, 5-6, 9-10 pins of S3. The power of CPU is then set to 1.3V.
S3 DESCRIPTION
All Open Pentium 4 CPU (Default)
1-2, 7-8, 11-12 closed Pentium 4-M CPU (1.3V)
Table 3-13: CPU Voltage Setting
3.5.7 Keyboard and Mouse Power Source Setting (JP18)
JP18 DESCRIPTION
1-2 closed VCC (default)
2-3 closed 5VSB
Table 3-14: Keyboard and Mouse Power Source Setting
3.5.8 LCD Voltage Setup (JP2)
WARNING:
Do not change this voltage. This voltage has been preset and is compatible
with the currently installed 17” TFT LCD screen. Change this jumper setting
may cause damage to the system.
The LCD Voltage Setup jumper sets the voltage for the LCD screen. This setting MUST
NOT be changed.