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TT16.003
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1991-08-21
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AMI TECH TIP
TECH TIP NO. 16.003
DATE: May 9, 1991
BOARD TYPE: Enterprise I and Enterprise II
RELEASED BY: Engineering Dept.
Problem: On Enterprise I and Enterprise II boards, the Keyboard Lock
function does not work.
Reason: AMI Enterprise I and II EISA boards use AMI KF Version of
the keyboard controller, this keyboard controller works in
autosense mode i.e. it can configure itself as either PS/2
type or as AT type controller.
The EISA Specifications provide support for a PS/2 type
mouse interface only.
Since AMI Enterprise boards support the PS/2 type mouse,
the keyboard controller on these boards works in PS/2 type
interface.
The Keyboard lock function is not supported in the PS/2 type
interface.