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Blizzard



Joined: 30 Apr 2017
Posts: 26


PostPosted: Wed Nov 22, 2017 8:05    Post subject: 2c 84 48 63 Problem Chip & ONFI
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I have this MT29F128G08EBEBB that's listed as a problem chip and there is no chip config for it. It's from a Lexar 16GB with controller SM3257EN Q BB. So I decide to look at the ONFI data and see if I can figure out a config to read the NAND. The problem I see is that using the ONFI info the dump size would only be about 1/3 of what I expect it to be. Or I'm just looking at it wrong Smile
My math comes up with 6,572,941,312 but I expect it to be 3 times that size.
ONFI support: yes
Manufacturer - MICRON
Model - MT29F128G08EBEBBWP
JEDEC ID - 0x2C
Number of data bytes per page - 0x2000 (8192)
Number of spare bytes per page - 0x450 (1104)
Number of pages per block - 0x100 (256)
Number of blocks per logical unit (LUN) - 0xACA (2762)
Number of logical units (LUNs) - 0x1
Number of address cycles - ROW: 2 COL: 3
Number of bits per cell - 3
Number of bits ECC correctability - 255
Maximum page program time (s) - 10000
Maximum block erase time (s) - 10000
Maximum page read time (s) - 1200




Joined: 26 Aug 2005
Posts: 15771

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PostPosted: Thu Nov 23, 2017 2:24    Post subject:
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Problem not in size

Problem that we read zeros
Blizzard



Joined: 30 Apr 2017
Posts: 26


PostPosted: Thu Nov 23, 2017 5:01    Post subject:
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I can read with other reader, not zeros. Interesting too, I can get a 224/224 ECC in FE. But I'm just trying to figure out the correct chip read settings right now.
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