PC IEEE Reference
Installation Guide.
Figure 2-3. Likely I/O Address.
___________________________
I/O ADDRESS NORMAL USE.
___________ ___________
0204H-
0277H Unused.
0280H-
02BFH Unused.
02C8H-
02DFH Unused.
02E4H-
02F7H Unused.
0300H-
031FH Unused.
0330H-
035FH Unused.
0380H-
03AFH Unused Usually.
03E0H-
03EFH Unused.
If in doubt check the manuals of the adapters installed in
the PC.
Remember, only DIP switches 2-8 have any effect on the
PC IEEE card. It is straight forward to work out the I/O address
since DIP switch 2 is connected to address line A2 and so on till
address line A8 is connected by DIP switch 8. The ’ON’
marking on the DIP switch is a misnomer since the address line
is selected low in the ON position.
In all the PC IEEE may be set to one of 128 possible i/o
addresses. Only a representative sample are given.
Figure 2-4. Valid PC IEEE Base Addresses.
_____________________________________
_
DIP 2 DIP 3 DIP 4 DIP 5 DIP 6 DIP 7 DIP 8
Card Base Address
_____ _____ _____ _____ _____ _____ _____
_________________
On
On
On
On
On
On
Off
0300H Default
Off
On
On
On
On
On
Off
0304H
On
Off
On
On
On
On
Off
0308H
Off
Off
On
On
On
On
Off
030CH
On
On
Off
On
On
On
Off
0310H
Off
On
Off
On
On
On
Off
0314H
On
Off
Off
On
On
On
Off
0318H
Off
Off
Off
On
On
On
Off
031CH
Page 14
Chapter 2
