Here you can find some information about Minolta DiMAGE digital still cameras:

•  MRWFormat - Photoshop plug-in for opening Minolta RAW files
   
•  Dalifer - Windows utility for decoding MakerNote, EXIF backup, thumbnails, really lossless rotation and ...
   
•  My description of Minolta RAW format is here
   
•  Description of Minolta MakerNote tag in EXIF is here
   
•  My little utility to display the contents of Minolta MakerNote tag in EXIF is here (replaced by Dalifer)
   
•  Some interesting info I found examining EXIF information:
    about ISO
   
•  Data sheets for some IC used in DiMAGE:
   Sony CCD ICX282AQF
   Sony Timing Generator for Frame Readout CCD Image Sensor CXD2498R
   LSI Digital Still Camera Controller
   Asahi Sound Processing Chip AK4550
   
•  Indices for Minolta DiMAGE instruction manuals, created by Jean Ricket