Chuck Guzis wrote:
On 5/19/2006 at 5:58 PM Jules Richardson wrote:
Did the original IBM PC make use of -5V for any
reason? Or is its
inclusion
maybe a hang-up from earlier machines that used three-rail memory devices?
The original PC used 3-supply 16Kx1 DRAMs.
Hmm, always knew they were 16Kx1's, didn't think they were 3-rail though -
I'll have to check what my board has when I get back to the UK.
cheers
Jules