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STX88810 STX Evaluation Platform Module
Series User’s Manual
Hardware Description
14
4.5 Device ID Select Table
Item Device
ID
PCI 1
AD 20 INT#( A ,B ,C ,D )
PCI 2
AD 21 INT#( D ,A ,B ,C )
PCI 3
AD 22 INT#( C ,D,A , B )
PCI 4
AD 23 INT#( B , C,D, A )
Note:
Relation between PCI device number and
IDSEL
mapping
depends on the used chipset and may differ on various STX Modules.
4.6 I / O Port Address Map
Address Devices
000-01F
DMA controller #1
020-03F
Interrupt controller #1
040-05F
Timer
060-06F
Keyboard controller
070-07F
Real time clock, NMI
080-09F
DMA page register
0A0-0BF
Interrupt controller #2
0F0
Clear math coprocessor busy signal
0C0-0DF
DMA controller #2
0F1
Reset math coprocessor
0F8-0FF
Math processor
120
Disable watchdog timer operation (read)
121
Enable watchdog timer operation (read)
122
Watchdog
1F0-1F8
Fixed disk controller
200-207
Reserved
300-31F
Prototype card
360-36F
Reserved
378-37F
Parallel port #1
3B0-3BF
MDA video card (including LPT1)
3C0-3CF
EGA card
3D0-3DF
CGA card
3F0-3F7
Floppy disk controller
3F8-3FF
Serial port #1 (COM1)
3E8-3EF
Serial port #3 (COM3)
2F8-2FF
Serial port #2 (COM2)
2E8-2EF
Serial port #4 (COM4)
Содержание STX88810VEA
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