IEI Technology WAFER-LX Series, User Manual, Page: 35 / 198

Page 35
WAFER-LX
RPM of cooling fans
CPU and board temperatures (by the corresponding embedded sensors)
2.14 USB Interfaces
The WAFER-LX has four USB interfaces, two internal (on one pin header connector) and
two external. The USB interfaces support USB 2.0.
2.15 BIOS
The WAFER-LX uses a licensed copy of AWARD BIOS. The features of the flash BIOS
used are listed below:
SMIBIOS (DMI) compliant
Console redirection function support
PXE ( P re-Boot E x ecution E nvironment) support
USB booting support
2.16 Operating Temperature and Temperature Control
The maximum and minimum operating temperatures for the WAFER-LX are listed below.
Minimum Operating Temperature: 0ºC (32°F)
Maximum Operating Temperature: 60°C (140°F)
A cooling fan and heat sink must be installed on the CPU. Thermal paste must be
smeared on the lower side of the heat sink before it is mounted on the CPU. Heat sinks
are also mounted on the northbridge and southbridge chipsets to ensure the operating
temperature of these chips remain low.
2.17 Audio Codec
The WAFER-LX has an integrated RealTek ALC203 codec. The RealTek ALC203 is a
20-bit DAC and 18-bit ADC full-duplex AC'97 2.3 compatible stereo audio CODEC
designed for PC multimedia systems, including host/soft audio, and AMR/CNR based
designs. The codec meets performance requirements for audio on PC99/2001 systems
Single chip with high S/N ratio (>100 dB)