поключил SD шилд к ардуине, залил скетч, запустил
SDHC c fat32 он опознал и выдал директорию.
(Binary sketch size: 11,804 bytes (of a 32,256 byte maximum))
выдача директории рекурсивно.

---------- Post added at 00:45 ---------- Previous post was at 00:25 ----------

sdfat

16gb

Код:
init time: 339 ms

Card type: SDHC

Manufacturer ID: 0X74
OEM ID: JE
Product: SDC  
Version: 0.2
Serial number: 0XFF5F20E6
Manufacturing date: 1/2013

cardSize: 15811.48 MB (MB = 1,000,000 bytes)
flashEraseSize: 128 blocks
eraseSingleBlock: true

SD Partition Table
part,boot,type,start,length
1,0X0,0XC,8192,30873600
2,0X0,0X0,0,0
3,0X0,0X0,0,0
4,0X0,0X0,0,0

Volume is FAT32
blocksPerCluster: 64
clusterCount: 482272
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256mb


Код:
init time: 787 ms

Card type: SD1

Manufacturer ID: 0X2
OEM ID: TM
Product: SD256
Version: 0.13
Serial number: 0X2B3C9B79
Manufacturing date: 12/2004

cardSize: 255.07 MB (MB = 1,000,000 bytes)
flashEraseSize: 128 blocks
eraseSingleBlock: true

SD Partition Table
part,boot,type,start,length
1,0X0,0XE,63,498113
2,0X0,0X0,0,0
3,0X0,0X0,0,0
4,0X0,0X0,0,0

Volume is FAT16
blocksPerCluster: 8
clusterCount: 62198
freeClusters: 61357
freeSpace: 251.32 MB (MB = 1,000,000 bytes)
fatStartBlock: 64
fatCount: 2
blocksPerFat: 248
rootDirStart: 560
dataStartBlock: 592
Data area is not aligned on flash erase boundaries!
Download and use formatter from www.sdcard.org/consumer!
[свернуть]


---------- Post added at 00:47 ---------- Previous post was at 00:45 ----------

забавная фраза Data area is not aligned on flash erase boundaries!