Toshiba Tecra M2-S519 Maintenance Manual - Page 76
Troubleshooting Procedures, 4 System Board Troubleshooting, Table 2-5, Printer port LED boot mode
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2 Troubleshooting Procedures 2.4 System Board Troubleshooting Table 2-5 Printer port LED boot mode status (3/7) LED Status 01h Test item Check of DRAM type and size 11h Check of DRAM size SM-RAM stack area test 02h Cache configuration (L1 cache only) CMOS access test Battery level check of CMOS CMOS checksum check Initialization of CMOS data (1) Setting of IRT status Storing DRAM size in CMOS 03h Resume branch (at Cold Boot) Resume error check Resume error process Boot mode process (Not resume) Message (Reading DRAM size at Warm Boot) (DRAM check at Cold Boot)) (HLT when the DRAM type is 0) (HLT when the stack area can not be used.) (at Cold Boot) (HLT when an error is detected.) (Boot status, the remaining bit is 0.) Not resume when a CMOS error occurred Not resume when resume status code is not set SM-RAM checksum check (Resume error 0F4H) Check of memory configuration change RAM area checksum check in system BIOS (Resume error 0FAH) PnP RAM checksum check (Resume error 0F8H) PIT test and initialization (HLT when refresh signal is not changed) Initialization of PIT CH0 (Setting of timer interrupt interval to 55ms) Initialization of PIT CH2 (Setting of sound generator frequency to 664Hz) Transition to RESUME-MAIN Reset of CPU clock to low Prohibition of all SMI Clearance of resume status Return to ROM Initialization of memory map Setting of resume error request Check hibernation from S4 OS Check hibernation status code ROM/RAM copy of system BIOS (HLT when copied BIOS checksum error) 2-22 TECRA M2 Maintenance Manual (960-468)