#### Back to index | # Info for ibmat

IBM AT
------
extended IBM PC
Features
--------
basically an IBMPC,
80286 processor
16 mb memory space
16 bit wide, 24 bit wide slots (xt downwards compatible)
2nd programmable interrupt controller
16 bit direct memory access controller
realtimeclock and setup memory
(changed keyboard and keyboard circuits on board)
high density supporting disk controller
hard disk support in bios
Emulators
---------
Virtual PC for Linux, NT (commercial, very usable)
Bochs
Mess Emulation State
--------------------
basically the same as ibmpc emulation
rough emulation of keyboard controller
rough emulation of keyboard
rough emulation of dma chips
rough emulation of pic chips
incomplete emulation of CPU
no support for high density disks
no support for at harddisks
needs i80286 v1.5

created on Wed May 15 07:18:19 2002