Acer Travelmate 7300 Service Guide
Here you can view all the pages of manual Acer Travelmate 7300 Service Guide. The Acer manuals for Notebook are available online for free. You can easily download all the documents as PDF.
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SchematicsD-39
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D-40Service Guide
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SchematicsD-41
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$SSHQGL[( $SSHQGL[( BIOS POST Checkpoints BIOS POST Checkpoints E-1 This appendix lists the POST checkpoints of the notebook BIOS. Table E-1 POST Checkpoint List CheckpointDescription 04h · Determines if the current booting procedure is from cold boot (press reset button or turn the system on), from warm boot (press Ctrl +Alt +Del). Note: At the beginning of POST, port 64 bit 2 (8042 system flag) is read to determine whether this POST is caused by a cold or warm...
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E-2Service Guide Table E-1 POST Checkpoint List CheckpointDescription 24h · Tests programmable interrupt controller (8259) · Initializes system interrupt 30h · Enables system shadow RAM 34h · Memory sizing 5Ah · Changes SMBASE, copy SMI Handler. · 56h · Issues 1st software SMI to communicate with PMU. · Initializes the SMI environment. 3Fh · Enable/Disable USB function 3Ch · Initializes interrupt vectors 3Eh · Set fixed CMOS setting 4Ch · CPU clock checking · Sets the DRAM timing in correspondent to the...
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BIOS POST Checkpoints E-3 Table E-1 POST Checkpoint List CheckpointDescription 74h · Serial port testing 78h · Math coprocessor testing 7Ch · Reset pointing device 80h · Set security status 84h · KB device initialization · Set KB led upon setup requests · Enable KB device 86h · Issue 2nd software SMI to communicate with PMU · Enable the use of BIOS Setup, system information. and fuel gauge 6Ch · Tests and initializes FDD Note: The FDD LED should flash once and its head should be positioned. 6Dh ·...
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E-4Service Guide