30 Jul
2007
30 Jul
'07
1:01 p.m.
On 30 Jul 2007 at 14:33, Jim Leonard wrote:
I've never heard of this. Are you talking about
monitoring a bit in
the 8253? -- Jim Leonard (trixter at oldskool.org)
Bit 4, port 61h. You can use a simple toggle test to see if it's
there, but on just about every system I've ever seen, it is. One of
the holdovers from the PC-AT architecture.
Cheers,
Chuck