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2 Troubleshooting Procedures 2.4 System Board Troubleshooting
Table 2-5 Debug port (Suspend mode) error status (1/3)
D port status Inspection items Details
Suspend mode
When powering-off request from OS is
required, waiting for the completion of dividing
process because waiting in SUSPEND of
Runtime returns the process to OS.
Forced execution of dividing (Permission of
SMI for dividing)
F130h
Waiting for completion of dividing
After prohibiting of all SMI, permits I/O trap
(EHCI) and external SMI.
Starts dividing to transmit periodically
extension command (every 25 seconds) not to
generate time-out of power-off.
Clears resume/power-off status.
Storing and initializing of special configuration
register
Prohibits clock control
Recognition of suspending for boot/ resume
F131h
Branch of resume mode (DPORT= F132h) or
boot mode(DPORT=F133h)
F132h Powering-off during resuming
Halt of HC
Starts sequence for storing display system.
F133h
Resume error check in suspend mode. Checks if in IRT.
Checks if external option ROM are connected
Execution of driver for suspend
Clearing of data for Remote Lockout
Storing of USB register
Halt of HC
Storing CPU register
Permission of system area, memory cache
(to work at high-speed)
Suspending of HDD
Storing KBC,SCC and MOUSE
Storing of PCI device
QOSMIO G20 Maintenance Manual (960-511) [CONFIDENTIAL] 2-29