Kontron COMe-bIP6 Manual do Utilizador descarregar pdf (Página 61)

COMe-bIP6 / System Resources

5.2 Memory Area

The first 640 kB of DRAM are used as main memory. Using DOS, you can address 1 MB of memory directly. Memory area

above 1 MB (high memory, extended memory) is accessed under DOS via special drivers such as HIMEM.SYS and

EMM386.EXE, which are part of the operating system. Please refer to the operating system documentation or special

textbooks for infor- mation about HIMEM.SYS and EMM386.EXE. Other operating systems (Linux or Windows versions)

allow you to address the full memory area directly.

Upper Memory Used for Available Comment

A0000h – BFFFFh VGA Memory No Mainly used by graphic controller

C0000h – CFFFFh VGA BIOS No Used by onboard VGA ROM

D0000h – DFFFFh - Yes Free for shadow RAM in standard

configurations.

E0000h – FFFFFh System BIOS No Fixed

20000000h-201FFFFFh IGFX No Fixed

40000000h-401FFFFFh IGFX No Fixed

E0000000h–FEAFFFFFh PCIe Config Space No Fixed

FED00000h-FED003FFh HPET No Fixed

FED10000h-FED17FFFh MCH No Fixed

FED18000h-FED18FFFh DMI No Fixed

FED19000h-FED19FFFh EPBA No Fixed

FED1C000h-FED1FFFFh RCBA No Fixed

FED20000h FED3FFFFh TXT No Fixed

FED40000h FED44FFFh TPM No Fixed

FED45000h FED8FFFFh TPM No Fixed

FED90000h-FED93FFFh VT-d No Fixed

FEE00000h-FEEFFFFFh IOxAPIC No Fixed

FF000000h-FFFFFFFFh BIOS Flash No Fixed

5.3 I/O Address Map

The I/O-port addresses of the are functionally identical to a standard PC/AT. All addresses not mentioned in this table

should be available. We recommend that you do not use I/O addresses below 0100h with additional hardware for

compatibility reasons, even if available.

I/O Address Used for Available Comment

0000 - 001F System Ressources No Fixed

0020 - 003F Interrupt Controller 1 No Fixed

002E - 002F Ext. SIO No Fixed

0040 - 005F Timer, Counter No Fixed

004E - 004F TPM No Fixed

0060 - 006F Keyboard controller No Fixed

0070 - 007F RTC and CMOS Registers No Fixed

0080 BIOS Postcode No Fixed

0081 - 009F DMA Controller No Fixed

00A0 - 00BF Interrupt Controller No Fixed

00C0 - 00DF DMA Controller No Fixed

00F0 - 00FF Math Coprocessor No Fixed

0290 - 029F Ext. SIO No Fixed

03B0 - 03DF VGA No Fixed

0400 - 047F Chipset No Fixed

04D0 - 04D1 Chipset No Fixed

0500 - 057F Chipset No Fixed

0680 - 069F Chipset No Fixed

0A80 - 0A81 CPLD No Fixed

0B78 - 0B7F Chipset No Fixed

0CF8 - 0CFF Chipset No Fixed

1 2 ... 56 57 58 59 60 61 62 63 64 65 66 ... 132 133

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