SBC81870 SERIES USER'S MANUAL VERSION A1 SEPTEMBER ...

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<strong>SBC81870</strong> Intel ® Pentium ® M w/ DDR/VGA/Dual LANTrouble Shooting For Post CodesThe lists below indicate you the post codes. Please follow theinstruction to adjust your system. If the error still occurred,please contact with your distributor for maintenance.CFh : Test CMOS R/W functionality.C0h :C1h :C3h :C5h :0h1 :02h :03h :04h :05h :06h :07h :Early chipset initialization- Disable shadow RAM- Disable L2 cache (socket 7 or below)- Program basic chipset registersDetect memory- Auto-detection of DRAM size, type and ECC- Auto-detection of L2 cache (socket 7 or below)Expand compressed BIOS code to DRAM.Call chipset hook to copy BIOS black to E000 & F000shadow RAM.Expand the Xgroup codes locating in physicaladdress 1000:0Reserved.Initial Superio_Early_Init switch.Reserved.1. Blank out screen2. Clear CMOS error flagReserved1. Clear 8042 interface2. Initialize 8042 self-test08h : 1. Test special keyboard controller for Winbond 977Trouble Shooting 101
<strong>SBC81870</strong> Intel ® Pentium ® M w/ DDR/VGA/Dual LANseries Super I/O Chips.2. Enable keyboard interface.09h :0Ah :0Bh :0Ch :0Dh :0Eh :0Fh :10h :11h :12h :13h :14h :15h :Reserved1. Disable PS/2 mouse interface (optional)2. Auto detect ports for keyboard & mouse followedby a port & interface swap (optional).3. Reset keyboard for Winbond 977 series Super I/Ochips.ReservedReservedReservedTest F000h segment shadow to see whether it is R/Wableor not. If test fails, keep beeping the speaker.ReservedAuto detect flash type to load appropriate flash R/Wcodes into the run time area in F000 for ESCD andDMI support.ReservedUse walking 1’s algorithm to check out interface inCMOS circuitry. Also set real-time clock powerstatus, and then check for override.ReservedProgram chipset default values into chipset. Chipsetdefault values are MODBINable by OEM customers.Reserved102Trouble Shooting
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SBC81870 SERIES USER'S MANUAL VERSION A1 SEPTEMBER ...

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