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. 3200.doc Rev. 2 04/04/00 MQC/nmm.
Page 4
Interrupts
Interrupts Level Assigned To:______________________
-- NMI RAM parity error; I/O channel error;_____
Auto mode switching by display controller
0
Timer
1
Keyboard
2
Interrupt controller 2 for levels 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
(Reserved)
13
Coprocessor
14
HDC
I/O Port Assignment
Port Address
From / To Device / Function___________
'000' / '01F'
82C37 : DMA Controller 1
'020' / '03F'
82C59A : Interrupt Controller 1
'040' / '05F'
82C54 : Timer
'060' / '06F'
8742 : Keyboard
'070' / '07F'
RTC and NMI
'080' / '09F'
DMA Page Register
'0A0' / '0BF'
8259 : Interrupt Controller 2
'0C0' / '0DF'
8237A : DMA Controller 2
'0E0' / '1EF'
(Reserved)
'1F0' / '1F8'
HDC
'200' / '2D7'
Game I/O
'278' / '27F'
Parallel PRT 2
'2F8' / '2FF'
Serial Port 2 (COM2)
'300' / '31F'
Prototype card
'360' / '36F'
(Reserved)
'378' / '37F'
Parallel PRT 1
'380' / '38F'
SDLC, Bisync 2
'3A0' / '3AF'
Bisync 1
'3B0' / '3BF'
Monochrome Display
'3C0' / '3CF'
Color Graphics
'3D0' / '3DF'
Color Graphics
'3F0' / '3F7'
FDC
'3F8' / '3FF'
Serial Port 1 (COM1)
