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21 lines
1.1 KiB
Plaintext
21 lines
1.1 KiB
Plaintext
from bochs: http://bochs.sourceforge.net/techspec/PORTS.LST
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0x0000-0x001F The first legacy DMA controller, often used for transfers to floppies.
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0x0020-0x0021 The first Programmable Interrupt Controller
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0x0022-0x0023 Access to the Model-Specific Registers of Cyrix processors.
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0x0040-0x0047 The PIT (Programmable Interval Timer)
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0x0060-0x0064 The "8042" PS/2 Controller or its predecessors, dealing with keyboards and mice.
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0x0070-0x0071 The CMOS and RTC registers
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0x0080-0x008F The DMA (Page registers)
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0x0092 The location of the fast A20 gate register
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0x00A0-0x00A1 The second PIC
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0x00C0-0x00DF The second DMA controller, often used for soundblasters
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0x00E9 Home of the Port E9 Hack. Used on some emulators to directly send text to the hosts' console.
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0x0170-0x0177 The secondary ATA harddisk controller.
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0x01F0-0x01F7 The primary ATA harddisk controller.
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0x0278-0x027A Parallel port
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0x02F8-0x02FF Second serial port
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0x03B0-0x03DF The range used for the IBM VGA, its direct predecessors, as well as any modern video card in legacy mode.
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0x03F0-0x03F7 Floppy disk controller
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0x03F8-0x03FF First serial port
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