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. 3200sx.doc Rev. 2 04/04/00 MQC/nmm.
Page 4
Interrupts
Interrupts Level Assigned To:_____________________
-- NMI RAM Parity Error, I/O Channel Error___
0Timer
1 Keyboard
2 Interrupt Controller 2
1 3 SIO port 1, 2, Toshiba modem or others
4 SIO port 1, 2, Toshiba modem or others
5 SIO port 1, 2, Toshiba modem or others
6 Floppy disk
7 Printer 1__________________________
8RTC
9 Software Redirect to INT '0A'
2 10 (Reserved)
11 (Reserved)
12 SIO port 1, 2, Toshiba modem or others
13 Math coprocessor
14 Hard disk
15 (Reserved)
I/O Port Assignment
Port Address
From / To Device / Function___________
'000' / '01F' 82C37A : DMA Controller 1
'020' / '03F' 82C59A : Interrupt Controller 1
'040' / '05F' 82C54 : Timer
'060' / '06F' 8742: Keyboard Controller
'070' / '07F' RTC & NMI
'080' / '09F' DMA Page Register
'0A0' / '0BF' 82C59A : PIC 2
'0C0' / '0DF' 82C37A : DMA Controller 2
'0E0' / '0FF' NDP Error Clear Port
'100' / '1EF' (Not Used)
'1F0' / '1F7' HDC Port
'1F8' / '1FE' (Not Used)
'200' / '207' (Not Used)
'209' / '217' (Not Used)
'219' / '257' (Not Used)
'259' / '267' (Not Used)
'260' / '2E7' (Not Used)
'2E8' / '2EF' SIO Port (1, 2, Modem card)
'2F8' / '2FF' SIO Port (1, 2, Modem card)
'300' / '337' (Not Used)
'338' / '33F' SIO Port (1, 2, Modem card)
'340' / '377' (Not Used)
'378' / '37F' Parallel PRT 1
'380' / '3AF' (Not Used)
'3B0' / '3DF' HRGS Ports
'3E0' / '3E7' (Not Used)
'3E8' / '3EF' SIO Port (1, 2, Modem card)
'3F0' / '3F7' FDC/FDD Interface (with HDC)
'3F8' / '3FF' SIO Port (1,2, Modem card)
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