On Tue, 27 Aug 2002, Jon Buller wrote:

# And something I didn't understand from the service manual *at all*
# is how the keyboard lights can tell you if the MBUS, DRAM, or mother
# board are busted.  Isn't that keyboard just connected to a Z8530
# serial chip (or clone)?  Wouldn't all the parts to be tested be
# needed to run the tests and report the results?  Does the POST
# stuff just check for more subtle things and assume that the major
# parts are at least 90% working?  That implied to me that maybe they
# hid some small controller to run the tests in one of those big
# ASICs somewhere.  But why would they bother?

Try connecting something to ttyb as well; occasionally the diagnostics end
up going out there.

				--*greywolf;
--
NetBSD: It spanks the knickers off those other operating systems.