Getac 9270D Service Manual page 116

4.9 Power Management Interface Signals –Table 6
Name
BATLOW#
(Mobile Only) /
GPIO72
(Desktop Only)
SYS_PWROK
STP_PCI#
(Mobile Only) /
GPIO34
(Desktop Only)
Type
Battery Low: Mobile only signal is an input from the battery
to indicate that there is insufficient power to boot the system.
I Assertion will prevent wake from S3–S5 state. This signal can
also be enabled to cause an SMI# when asserted.
Note: Desktop requires a weak external pull-up
System Power OK: This generic power good input to the Ibex
Peak is driven and utilized in a platform-specific manner.
While PWROK always indicates that the CORE well of the
Ibex Peak is stable, SYS_PWROK is used to inform the Ibex
Peak that power is stable to some other system component(s)
and the system is ready to start the exit from reset. The
I particular component(s) associated with SYS_PWROK can
vary across platform types supported by the same generation of
Ibex Peak. Depending on the platform, the Ibex Peak may
expect (and wait) for SYS_PWROK at different stages of the
boot flow before continuing.
NOTE: Consult the platform design guide for instructions on
how to connect SYS_PWROK for that platform.
Stop PCI Clock: This signal is an output to the external clock
O generator for it to turn off the PCI clock. Mobile: Can be
configured as STP_PCI# Desktop: Hardware to GPIO mode.
Description