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. 2200SX.DOC Rev. 1 05/27/94 MQC/nmm.
Page 3
0
Timer
1
Keyboard
2
PIC 2 for level 8 to 15
1
3
Secondary Communications (COM 2)
4
Primary Communications (COM 1)
5
PRT 2
6
FDC
7 PRT 1_________________________
8
RTC
9
Software Redirect to INT '0A'
2
10
(Reserved)
11
(Reserved)
12
PS/2
Mouse
13
NDP
14
HDC
15
(Reserved)
I/O Port Assignment
Port Address
From / To Device / Function______
'000' / '01F'
82C37 : DMA Controller 1
'020' / '03F'
82C59 : PIC 1
'040' / '05F'
82C54 : Timer
'060' / '06F'
80C42 : KBC
'070'
NMI
'070' / '07F'
RTC
'080' / '09F'
DMA Page Register
'0A0' / '0BF'
82C59 : PIC 2
'0C0' / '0DF'
82C37 : DMA Controller 2
'0E0' / '0EF'
Special Register
'0F0' / '0F7'
80387SX : NDP
'100' / '1EF'
VGA
'1F0' / '1FF'
HDC
'200' / '207'
Game I/O
'208' / '20F'
(Not used)
'210' / '217'
Expansion Unit
'218' / '277'
(Not used)
'278' / '27F'
Parallel PRT 2
'280' / '2F7'
(Not Used)
'2F8' / '2FF'
Serial Port 2 (COM 2)
'300' / '31F'
Prototype card
'320' / '32F'
XT type HDC
'330' / '337'
(Not Used)
'338' / '33F'
Serial Port 3 (COM 3)
'340' / '377'
(Not Used)
'378' / '38F'
Parallel PRT 1
'380' / '38F'
SDLC, Bisynchronous 2
'390' / '39F'
(Not Used)
'3A0' / '3AF'
Bisynchrounous 1
'3B0' / '3BF'
MDA, PRT
'3C0' / '3DF'
CGA, EGA, VGA
'3E0' / '3E7'
(Not Used)
'3E8' / '3FF'
Serial Port 3 (COM 3)
'3F0' / '3F7'
FDC
'3F8' / '3FF'
Serial Port 1 (COM1)f
