Technical data

Hardware Information
8-5
SIMATIC Box PC 620 Manual
C79000-G7076-C639-02
Assignments of the Memory Addresses
From
Address
To
Address
Size Assignment Remark
0000 0000 0007 FFFF 512k Conventional system memory
0008 0000 0009 FBFF 127k Conventional system memory
extended
0009 FC00 0009 FFFF 1k Conventional system memory
extended BIOS data
000A 0000 000A FFFF 64k Graphics refresh memory VGA
000B 0000 000B 7FFF 32k SW graphics/text screen refresh
memory
free
000B 8000 000B FFFF 32k Graphics refresh memory VGA/CGA
000C 0000 000C AFFF 44k VGA-BIOS expansion VGA
000C B000h 000CB FFFh 4k Motherboard resources
000E 0000h 000F FFFFh 128k System disk expansion for Plug
and Play BIOS
0010 0000h 03FF FFFFh 63M System disk expansion for Plug
and Play BIOS
0810 0000h 0810 0FFFh 4k Texas Instruments PCI-1225 Cardbus Controller
0810 1000h 0810 1FFFh 4k Texas Instruments PCI-1225 Cardbus Controller
0900 0000h 0A0F FFFFh 17M Intel 82443BX Pentium II
Processor / AGP Controller
0D00 0000h 0DFF FFFFh 16M Chips and Tech. 69000 PCI VGA
0E00 0000h 0E03 FFFFh 256k Chips and Tech. 69000 PCI VGA
F400 0000h F407 FFFFh 512k CP5611 (PCI)
F408 0000h F408 007Fh 8k CP5611 (PCI)
F800 0000h FBFF FFFFh 64M Intel 82443BX Pentium II
Processor / PCI bridge
FFFE 000h FFFF FFFFh 128k Motherboard resources Mirroring of the system
BIOS (from
000E 0000 - 000F FFFF)
This list is not absolute, since Windows allocates the resources. It is therefore
altogether possible that other addresses are occupied in some cases.
The assignment used can be found in the WINDOWS “resource report”.