User Manual

MiniStation All-in-One Petit Board User’s Manual
Hardware Description
18
250-25F
Winbond I/O #2
278-27F
Parallel port #2
300-31F
Prototype card
360-36F
Reserved
378-37F
Parallel port #1
380-38F
SDLC #2
3A0-3AF
SDLC #1
3B0-3BF
MDA video card (including LPT1)
3C0-3CF
EGA card
3D0-3DF
CGA card
Continued . . . . .
Address Devices
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)
3F0-3FF
Winbond I/O #1
4.6 Interrupt Controller
The MiniStation is a 100% PC compatible control board. It consists of 16 ISA interrupt request lines. Four
out of the sixteen can either be ISA or PCI. The mapping list of the 16 interrupt request lines is shown on
the following table.
NMI Parity check error
IRQ0
System timer output
IRQ1
Keyboard
IRQ2
Interrupt rerouting from IRQ8 through IRQ15
IRQ3
Serial port #2
IRQ4
Serial port #1
IRQ5
Parallel port #2
IRQ6
Floppy disk controller
IRQ7
Parallel port #1
IRQ8
Real time clock
IRQ9
Reserved
IRQ10
Serial port #3
IRQ11
Serial port #4
IRQ12
PS/2 Mouse
IRQ13
Math coprocessor
IRQ14
Primary IDE channel
IRQ15
Secondary IDE Channel