antMiner_S320150109.bin
1. fix bug of negative temperature
2. fix power mistake adjustment.
3. disable VDD adjustment function.
MD5: 3E77FC58E4CF9F6C27810C8154C8B0F9

antMiner_S320140826.bin
support S3+
MD5: 48B2E769E1B57892B71D488711773002

antMiner_S320140721.bin
No beeper altert when there is no immediate hashing work.
During the normal mining, Green LED is always on. If there is no immediate hashing work for 1 second, the Green LED will turn off. If it lasts more than 1 minute without hashing work, green LED is kept off and beeper rings.
