On Sat, 8 May 1999, Tadayoshi Kubo wrote:
I know the I/O port No.00-0F is DMA controller and the port No.20-21 is
interrupt controller. But I don't know how to use the port No22 and 23.
Anyone know the I/O port No.22,23 meaning on the HP200LX?
Assuming it's simply an 8259, you can find the
On Sat, 8 May 1999, Blaz Antonic wrote:
Under Linux, the PIC is shown as using ports 0x20-0x3f, so it's definitly
part of the PIC.
Actually it's not. Ports 0x22 and 0x23 are used on many chipsets (mostly
non-intel chipsets, cyrix/AMD processors settings and stuff like that)
and do not
