DSO firmware version 3.64

Same problem. I tried 3 different SD cards:

  • 128 Mb no name FAT - ok

[code]Connection Settings
Interface Version : 1.0
Maximum Read Speed : 50kHz
Maximum Write Speed : 12kHz

Translation Mode Disk Geometry
CHS Geometry : 15 x 255 x 63
Bytes Per Sector : 512bytes
Capacity : 117.66MB

Partitions Information
Partition 1 : MBR FAT16 121.33MB[/code]

  • 512 Mb Nokia FAT16 - NOK
  • 512 Mb Nokia FAT32 - NOK

[code]Connection Settings
Interface Version : 1.0
Maximum Read Speed : 25kHz
Maximum Write Speed : 6kHz

Translation Mode Disk Geometry
CHS Geometry : 62 x 255 x 63
Bytes Per Sector : 512bytes
Capacity : 486.34MB

Partitions Information
Partition 1 : MBR FAT32 488.14MB[/code]

  • 2 Gb no name FAT16 - NOK

[code]Connection Settings
Interface Version : 1.0
Maximum Read Speed : 50kHz
Maximum Write Speed : 12kHz

Translation Mode Disk Geometry
CHS Geometry : 239 x 255 x 63
Bytes Per Sector : 512bytes
Capacity : 1.83GB

Partitions Information
Partition 1 : MBR FAT16 1.83GB[/code]

I rolled back to 3.62 and it works.
With 3.64 DSO jams if connected to PC via USB (initialising). With V3.62 this works too.