7 amd® geode™ cs5536 real time clock, 8 bios, 6 geodelink™ pci bridge – IEI Integration NANO-LX v1.21 User Manual
Page 34: 1 overview, 7 amd, Geode™ cs5536 real time clock, Eode, Ridge

NANO-LX EPIC SBC
Page 19
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 NANO-LX 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
2.6 GeodeLink™ PCI Bridge
2.6.1 Overview
The GeodeLink™ PCI Bridge (GLPCI) module provides a PCI interface for GeodeLink
Interface Unit-based designs. The GLPCI module is composed of six major blocks:
GeodeLink
Interface
FIFO/Synchronization
Transaction
Forwarding
PCI Bus Interface
PCI
Arbiter
The GeodeLink and PCI Bus Interface blocks provide adaptation to the respective buses.
The Transaction Forwarding block provides bridging logic. Some of the features of the
GeodeLink™ PCI Bridge are listed below:
PCI Version 2.2 compliance
32-bit, 66 MHz PCI bus operation
Target support for fast back-to-back transactions
Arbiter support for three external PCI bus masters
Write gathering and write posting for in-bound write requests
Virtual PCI header support