Interrupt List - Release 61 (16jul00)
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MEM 0040h:007Eh
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RBIL61 - MEM 0040h:007Eh
MEM 0040h:0004h - BASE I/O ADDRESS OF THIRD SERIAL I/O
PORT
IBM PC Portable (uses same BIOS as XT)
{#idx160926}
MEM 0040h:007Ch - SERIAL DEVICE 1 TIMEOUT COUNTER
{#idx162035}
MEM 0040h:007Dh - SERIAL DEVICE 2 TIMEOUT COUNTER
{#idx162043}
MEM 0040h:007Eh - SERIAL DEVICE 3 TIMEOUT COUNTER
{#idx162046}
MEM 0040h:007Fh - SERIAL DEVICE 4 TIMEOUT COUNTER
{#idx162060}