Siemens PC 870 Operations Instructions Page 119

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Detailed descriptions
15.4 System resources
Panel PC 870 V2, Computer Unit
Operating Instructions, Edition 03/2004, CD Documentation and Drivers
15-23
15.4.2.1 I/O address allocation
I/O address (hex) Size
(bytes)
Description of the basic function possible alternative
function
from to
0000 000F 16 DMA Controller
0010 001F 16 Motherboard resources
0020 0021 2 Programmable interrupt controller
0022 003F 30 Motherboard resources
0040 0043 4 System timer
0044 005F 28 Motherboard resources
0060 0060 1 Keyboard controller
0061 0061 1 System loudspeaker
0062 0063 2 Motherboard resources
0064 0064 1 Keyboard controller
0067 006F 9 Motherboard resources
0070 0075 6 System CMOS/real-time clock
0076 0080 138 Motherboard resources
0081 008F 15 DMA Controller
0090 009F 16 Motherboard resources
00A0 00A1 2 Programmable interrupt controller
00A2 00BF 30 Motherboard resources
00C0 00DF 32 DMA controller
00E0 00EF 16 Motherboard resources
00F0 00FE 15 Numeric Data Processor
0100 016F 112 unused
0170 0177 8 Secondary EIDE channel
0178 01EF 120 unused
01F0 01F7 8 Primary EIDE channel switchable in Setup, then
free
01F8 01FF 116 unused
0200 0273 16 reserved for Game Port
0274 0277 4 ISA PNP Read Data Port
0279 0279 4 ISA PNP Read Data Port
027C 02E7 108 unused
02E8 02EF 8 Reserved
02F8 02FF 8 COM2 switchable in Setup, then
free
0300 031F 32 unused
0320 032F 16 unused
0330 033F 16 unused
0340 035F 32 unused
0360 0367 8 unused
0370 0371 2 SOM
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