Toshiba R500 S5006X Maintenance Manual - Page 67
System Board Troubleshooting, Troubleshooting Procedures, Table 2-5, Debug port Boot mode error
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2.4 System Board Troubleshooting 2 Troubleshooting Procedures Table 2-5 Debug port (Boot mode) error status (3/10) D port status Inspection items F100H Cash control processing for HyperThreading Prohibition of cache Initialization of H/W (before DRAM recognition) F101H F102H F103H Initialization of PIT channel 1 Check of DRAM type and size (at cold boot) SM-RAM stack area test Cache configuration Cache permission (L1/L2 Cache) CMOS access test (at cold boot) Battery level check of CMOS CMOS checksum check Initialization of CMOS data (1) Setting of IRT status Storing DRAM size in CMOS Resume branch (at cold boot) Details Initialization of MCHM Initialization of ICH7M.D30.Func0 Initialization of ICH7M.D31.Func1 Initialization of USB.Func0/1/2/7 Initialization of ICH7M.D31.Func3 Initialization of ICH7M.D31.Func5 Initialization of FLUTE (Setting the refresh interval to "30μs") When unsupported memory is connected, becoming HLT after beep sound (HLT when DRAM size is 0) HLT When it can not be used as a stack (HLT when an error is detected) (Setting of boot status and IRT busy flag, The rest bits are 0) Not resume when a CMOS error occurred Not resume when resume status code is not set Resume error check S3 returning error (ICH) Resume error F170H RSM_UNKNOWN_ERR SM-RAM checksum check Resume error F173H RSM_SMRAM_ERR PORTEGE R500 Maintenance Manual (960-634) [CONFIDENTIAL] 2-21