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VAIO MicroTower System Reference
96
System I/O Address Map
Address
Range
(hexadecimal)
Description
0000 - 000F DMA controller
0010 - 001F In use by unknown device
0020 - 0021 Programmable interrupt controller
0022 - 003F In use by unkown device
0040 - 0043 System timer
0044 - 005F In use by unknown device
0060 Standard 101/102-key or Microsoft Natural Keyboard
0061 System speaker
0062 - 0063 In use by unknown device
0064 Standard 101/102-key or Microsoft Natural Keyboard
0065 - 006F In use by unknown device
0070 - 0071 System CMOS/real-time clock
0072 - 007F In use by unknown device
0080 System board resources
0081 - 008F DMA controller
0090 - 009F In use by unknown device
00A0 - 00A1 Programmable interrupt controller
00A2 - 00BF In use by unknown device
00C0 - 00DF DMA controller
00E0 - 00E1 System board resources
00E2 - 00EF In use by unknown device
00F0 - 00FF Numeric data processor
0108 - 010F LT WinModem
®
NV #3
0120 - 013F Standard universal PCI-to-USB host controller
0170 - 0177 Shared between Intel 82371AB/EB PCI bus master IDE
controller and secondary IDE controller (dual FIFO)
01F0 - 01F7 Shared between Intel 82371AB/EB PCI bus master IDE
controller and primary IDE controller (dual FIFO)
0200 - 0203 Gameport
™
joystick controller
0220-022F ES1938 DOS emulation
0274 - 0277 I/O Read Data port for ISA PnP enumerator
02F8 - 02FF LT WinModem NV #3