IEI Integration IEM-LX v1.00 - Manual (Page 30)

IEM-LX-800 ETX CPU Module
2.5.5 AMD
®
Geode™ CS5536 USB Controller
The ETX-X1 connector on the IEM-LX-800 board supports four external USB ports which
are interfaced to the chipset USB controller. Four USB 1.1 or USB 2.0 devices can be
connected simultaneously to the IEM-LX-800. The chipset USB controller has the
following specifications:
o 4 USB ports
o USB 1.1 and USB 2.0 compliant
o 3 host ports
o 1 host/device
2.5.6 AMD
®
Geode™ CS5536 Serial Communications
Two high-speed UART RS-232 serial port connectors are connected to the system chipset
low pin count (LPC) port via the LPC bus. The specifications for the serial ports are listed
below.
16C550 UART with 16-byte FIFO buffer
115.2Kbps transmission rate
2.5.7 AMD
®
Geode™ CS5536 Real Time Clock
The system chipset has a battery backed up 256-byte real-time clock (RTC) with CMOS
RAM.
2.5.8 BIOS
The BIOS flash memory chip on the IEM-LX-800 has a licensed copy of AWARD BIOS
loaded onto it. The BIOS flash memory chip is connected to the chipset via the LPC bus.
The flash BIOS features are listed below:
SMIBIOS (DMI) compliant
Console redirection function support
PXE (Pre-Boot Execution Environment) support
USB booting support
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