HP e-PC c10/s10 hp e-pc c10/s10, technical reference manual - Page 39

following address map is not completely BIOS dependent, but is determined, Although - motherboard

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4 BIOS overview BIOS addresses Although the Setup program can be used to change some of the settings, the following address map is not completely BIOS dependent, but is determined partly by the operating system. Note that some of the I/O addresses are allocated dynamically. I/O Address Ports 0000 - 000F 0010-001F, 0022 -003F, 0044-005F, 0062-0063, 0065-006F, 0072-007F, 0084-0086, 04D0-04D1, 0080, 0088, 008C-008E, 0090-009F, 00A2-00BF, 00E0-00EF, 0400-047F, 0480-04BF, 04D0-04D1, 0800-0847F 0020 - 0021, 00A0-00A1 0040 - 0043 0060, 0064 0061 0070 - 0071 0081 - 0083, 008F, 0087, 0089-008B, 00C0-00DF 00F0 - 00FF 0170 - 0177 01F0 - 01F7 0376 0378 - 037F, 0778 - 077F 03F8 - 03FF 0CF8 - 0CFF 03B0-03BB, 03C0-03DF 0540-054F B000-BFFF BC00-BC7F 03F6, FFA0 - FFA7, FFA0-FFAF D400-D41F D800-D83F, DCFF FFA0-FFA7 FFA0-FFAF FFA8-FFAF Function DMA controller Motherboard resources Programmable Interupt Controller System Timer PC/AT Enhanced Keyboard System Speaker RTC and CMOS data DMA Controller Numeric Data Processor Ultra ATA Controller, Secondary ATA Controller Ultra ATA Controller, Primary ATA Controller Ultra ATA Controller, Secondary ATA Controller LPT1 ECP COM1 PCI bus Chipset Graphic Drivers SMBus controller PCI Bridge NIC Ultra ATA Controller, Primary ATA Controller USB Universal Host Controller Audio Primary ATA Controller Ultra ATA Controller Secondary ATA Controller 35

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35
4
BIOS overview
BIOS addresses
Although the
Setup
program can be used to change some of the settings, the
following address map is not completely BIOS dependent, but is determined
partly by the operating system. Note that some of the I/O addresses are
allocated dynamically.
I/O Address Ports
Function
0000 - 000F
DMA controller
0010-001F, 0022 -003F, 0044-005F,
0062-0063, 0065-006F, 0072-007F, 0084-0086,
04D0-04D1, 0080, 0088, 008C-008E, 0090-009F,
00A2-00BF, 00E0-00EF, 0400-047F, 0480-04BF,
04D0-04D1, 0800-0847F
Motherboard resources
0020 - 0021, 00A0-00A1
Programmable Interupt Controller
0040 - 0043
System Timer
0060, 0064
PC/AT Enhanced Keyboard
0061
System Speaker
0070 - 0071
RTC and CMOS data
0081 - 0083, 008F, 0087, 0089-008B,
00C0-00DF
DMA Controller
00F0 - 00FF
Numeric Data Processor
0170 - 0177
Ultra ATA Controller, Secondary ATA Controller
01F0 - 01F7
Ultra ATA Controller, Primary ATA Controller
0376
Ultra ATA Controller, Secondary ATA Controller
0378 - 037F, 0778 - 077F
LPT1 ECP
03F8 - 03FF
COM1
0CF8 - 0CFF
PCI bus
03B0-03BB, 03C0-03DF
Chipset Graphic Drivers
0540-054F
SMBus controller
B000-BFFF
PCI Bridge
BC00-BC7F
NIC
03F6, FFA0 - FFA7, FFA0-FFAF
Ultra ATA Controller, Primary ATA Controller
D400-D41F
USB Universal Host Controller
D800-D83F, DCFF
Audio
FFA0-FFA7
Primary ATA Controller
FFA0-FFAF
Ultra ATA Controller
FFA8-FFAF
Secondary ATA Controller