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I/O Port Assignment
Port Address
From / To
'000' / '01F'
'020' / '03F'
'040' / '05F'
'060' / '06F'
'070' / '07F'
'080' / '09F'
'0A0' / '0BF'
'0C0' / '0DF'
'0E0' / '1EF'
'0F0' / '0FF'
'1F0' / '1F7'
'200' / '207'
'208' / '208'
'209' / '217'
'218' / '218'
'219' / '257'
'269' / '277'
'278' / '27F'
'258' / '258'
'259' / '267'
'268' / '268'
'280' / '2F7'
'2F8' / '2FF'
'300' / '31F'
'320' / '337'
'338' / '33F'
'340' / '377'
'378' / '37F'
'380' / '38F'
'390' / '39F'
'3A0' / '3AF'
'3B0' / '3BF'
'3C0' / '3CF'
'3D0' / '3DF'
'3E0' / '3E7'
(Reserved)
'3E8' / '3EF'
'3F0' / '3F7'
'3F8' / '3FF'
Toshiba America Information Systems Inc. ("TAIS") shall not be liable for damages of any kind for use of this information, which is subject to
change without notice.
Copyright 1994 TAIS.
Interrupt controller 2 for levels 8 to 15
Secondary Communications (COM 2)
Primary Communications (COM 1)
PRT 2 or COM 3
FDC
PRT 1_________________________
RTC
Software Redirect to INT '0A'
(Reserved)
(Reserved)
(Reserved)
Coprocessor
HDC
(Reserved)
Device / Function___________
DMA Controller 1
Interrupt Controller 1
Timer
Keyboard Controller
RTC and NMI
DMA Page Register
Interrupt Controller 2
DMA Controller 2
Reserved
Reserved for Coprocessor
HDC
Game I/O
EMS Set0 Page Control Register
(Reserved)
EMS Set1 Page Control Register
(Reserved)
(Reserved)
Parallel Printer Port 2
EMS Set5 Page Control Register
(Reserved)
EMS Set6 Page Control Register
(Reserved)
Serial Port 2 (COM 2)
Prototype card
(Reserved)
Serial port 3
(Reserved)
Parallel PRT 1
SDLC, Bisync 2
(Reserved)
Bisync 1
MDA and PRT
(Reserved)
CGA
Serial Port 3
FDC, HDC
Serial Port 1 (COM1)
3100E.DOC Rev. 1 05/27/94 MQC/nmm.
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