Table - Toshiba TECRA A8 series Maintenance Manual
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Also See for TECRA A8 series:
- Maintenance manual (428 pages) ,
- User manual (306 pages) ,
- Resource manual (56 pages)
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2.4 System Board Troubleshooting
D port status
TECRA A8 /Satellite Pro A120 Maintenance Manual (960-573)
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Table 2-4-1 Debug port (Boot mode) error status (3/9)
Inspection items
(F100)
Initialization of H/W (before DRAM
recognition)
Initialization of PIT channel 1
F101
Check of DRAM type and size
(at cold boot)
SM-RAM stack area test
F102
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
F103
Resume branch (at cold boot)
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2 Troubleshooting Procedures
Details
Initialization of MCH
I
nitialization of ICH.D30.Func0
I
nitialization of ICH.D31.Func0
Initialization of ICH.D31.Func1
Initialization of
USB. Controller
Initialization of ICH.D31.Func3
Initialization of ICH Audio
Initialization of TI controller
(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 F17AH RSM_UNKNOWN_ERR
SM-RAM checksum check
Resume error F173H RSM_SMRAM_ERR
RAM area checksum check in system BIOS
Resume error F179H SM_RAMBIOS_ERR
Expansion memory checksum check
Resume error F176H RSM_EXTMEM_ERR
PnP RAM checksum check
Resume error F177H RSM_PNPRAM_ERR
[CONFIDENTIAL]
2-27
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