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TME-CEM-ECO2-Rev0V4.doc Rev 0.4 Page 23

5 Address Maps

This section describes the layout of the CPU memory and I/O address spaces.

Note Depending on enabled or disabled functions in the BIOS, other or

more resources may be used

5.1 Memory Address Map

Address Range (Hex) Description

Legacy Address Range (0 to 1 MB)

00000000 – 0009FFFF DOS_DRAM

000A0000 – 000DFFFF Legacy Video (VGA)

000E0000 – 000EFFFF PAM

000F0000 – 000FFFFF PAM

000F0000 – 000FFFFF BIOS (LPC)

000E0000 – 000FFFFF LPC (Provided PAM is not enabled)

Main Memory (1MB to TOM)

Variable – Variable TSEG

Variable – Variable Graphics

PCI Configuration Space (2GB to 4GB)

FEC00000 – FEC00040 IOxAPIC

FED00000 – FED003FF HPET (High Performance Event Timer)

FED04000 – FED4BFFF TPM1.2 (LPC)

FFC00000 – FFFFFFFF

High BIOS (The Chipset Microcode (CMC) base

address lives within the LPC space and

consumes 64 kB of space. Make sure to avoid

using the same starting address for other

LPC devices in the system. )

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Adlink CoreExpress-ECO2 Manual de usuario Pagina 27