Table A–3
XE–800 SBC I/O map
XE–800 SBC I/O map
Hex range
Function
X000h to X0FFh
Reserved for system
X100h to X11Fh
Off card I/O space (available)
X120h to X127h
Digital I/O
X128h to X16Fh
Off card I/O space (available)
X170h to X17Fh
IDE Controller (secondary)
X180h to X1EFh
Off card I/O space (available)
X1F0h to X1F7h
IDE Controller (primary)
X208h to X20Fh
System I/O space (not available)
X278h to X27Bh
available
X2E8h to X2EFh
System I/O space (not available)
X2F8h to X2FFh
COM (1 or 2 – Setup selectable)
X320h to X377h
System I/O space (not available)
X378h to X37Bh
available
X3F8h to X3FFh
COM (1 or 2 – Setup selectable, default COM1)
102