Samsung NV20 Service Manual page 42

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Ⅲ. ADJUSTMENT
5) Full Version of Fiirmware
Cases for DSC Emergency Recovery
▷ DSC Emergency Recovery is required when the DSC does not start even when it is turned on.
▷ DSC start failure refers to the following cases.
① The Power LED is not lit and the DSC does nothing when you turn the power on.
② Although the Power LED is lit, the DSC fails to boot normally.
③ Although the DSC starts properly, it does not work properly and upgrade through a SD(MMC) card fails.
Requirements for DSC Emergency Recovery
▷ DSC Emergency Recovery requires the following preparations.
① Firmware File (file size: 11.6MB, file name: nv1_123.bin)
② DSC Emergency Recovery Firmware File (file size: 4MB, file name: data.bin)
③ SD.DAT File (file size: 64KB)
④ nand.par File (file size: 1KB)
⑤ sdram.par File (file size: 1KB)
⑥ 32M SD (MMC) card containing the files referred to in 1, 2, 3, 4, and 5 above.
(A Sandisk 32MB SD card is recommended.)
⑦ A Card Reader that can read and write to the memory card, referred to in 6.
⑧ Fully charged battery.
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