Acpi Ec Interface Specification Support; Internal Keyboard Change Configuration - Compal JHT01 Service Manual

JHT01 Service Manual
12.14.2 Hot swapping control
• When the device is plugged in, the software automatically initializes the state
of that device, checks port swapping, and setup the KBC to handle dual-
device operation. In dual-device operation, the internal device is set in the
same state as external device. When the external device is unplugged, the
internal device becomes the primary device.

12.15 ACPI EC interface Specification support

12.15.1 ACPI interface support
• The KBC provides support for Advance Configuration and Power Interface
specification (ACPI) Embedded Controller interface.
12.15.2 EC command support
• The 2nd (Power Management) host interface channel of the KBC is dedicated
to this function.
• All EC commands defined in the ACPI specification - Read/Write, Burst
Mode enable/disable and Query command - are supported.

12.16 Internal keyboard change Configuration

12.16.1 US/UK/JP country option
• The KBC supports three country selection by KBD_SEL application for
another country.
• You can key in KBD_SEL get the syntax for your option at DOS prompt.
e.q. KBD_SEL S
KBD_SEL K
KBD_SEL J
12.16.2 Sticky key support
• Press shift key 5 times will enable sticky key function. Turns on Sticky Keys,
which allows you to press a modifier key (CTRL, ALT, or SHIFT), or the
windows logo key, and have it remain active until the next time you press a
key other then CTRL, ALT, SHIFT, or windows logo key. This is useful for
people who have difficulty pressing two keys simultaneously.
12.16.3 Internal Keyboard can support wake-up system to resume S3
• Press any key with internal keyboard in standby mode, system will resume
automatically.
2-34
US keyboard
UK keyboard
JP keyboard