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i have 2 «th58nvg6d2ela48» one from japan
one from taiwan
also i have team group flash 2gb phison 2251-38 and some emmc nand 2gb

why team group used 4channel controller for 2GB .i cant undrstand
and pcb is un un usabled
becuase just emmc and dont have a tsop 48 pin
so i extract the controler from PCB

now i have a 2251-38 and 2(th58nvg6d2..)

i loking for Good Flash Board

in phison site say 2251-38,2251-33,2251-32 is pin to pin Compatible
I found this pcb (old tdk 4gb 2251-32 and 2 hynix mlc 4k )

i read the pcb number and search in internet
for undrstand is pcb support dual channel or interleaved?
finaly found in flash extractor
ok this pcb is good
in last picture from flash extractor used 2233 and t58nvg8d2ela20 *2 (used pcb for 64GB )

so lets start…

extract old tdk for used flash board

2251-38 64 pin is so difficult to soldring
controller pin is so small
i remove the Between connection with wire
ok do mpall and frimware

mpal 3.63+fw 2.06.10 (some people write firmware as FW38FF01V30610M.BIN but real is FW38FF01V20610M.BIN
ok time to test


in tera copy up to 22 mb
i test in win xp 32bit

ok in final
we undrstand crystal controler pcb «2232-2233-2238» is same and we can use 1channel «2237-2239»

free crystal same model is «2260-2250-2261-2267-2268»

— in alcor all version pcb is mach
example you can change au6986 by au6998sn
you dont need «n»version install crystal
— in ite also 1165-1167-1167b-1169-1176 is same
— in smi like 2 model

crystal need (3255-3254-325ac-- is same)

free crystall model (3257-3257en-enba -enlt is same

good luck…
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