2 Troubleshooting Procedures 2.4 System Board Troubleshooting Table 2-5 Debug port (Suspend mode) error status (3/3) LED Status Test item Contents
(F13Ah) Power LED control during suspending
Isolates built-in LAN
Makes the power of sound off
Makes the power of Dock off (for models
supporting Dock)
F13Bh Model-unique processing just before
suspending
Waiting for completion of dividing for
suspending
Stops dividing of extension command for
power off.
F13Ch Measure for USB over current
Serial interrupt control (for model supporting
YEBISU)
Calculation of check sum of PnP RAM area
(Not work in suspending for boot)
Acquires how to turn the power off.
Resets by EC. (when required)
Makes not to send Eject Power Off
command when turn the power off by the
date check of alarm power on.
Prohibition of all SMIs
Initializing of special register in suspending
Calculates the check sum of SMRAM and
stores it in SMRAM.
Calculates the checksum of system BIOS in
the IRT side.( Checksum does not match
during IRT)
Setting status of suspend completion
Prohibition of L1&L2
F13Dh
Power off (Completion of BIOS process)