Hi Res Version of A600HD (1828 x 675)
The only difference between the A600 and the A600HD was the addition of a 2..5" IDE Hard Drive as standard. The size of the HD was 20MB at least in Europe however it may have been 30MB in Australia and 40MB in North America (but this is unconfirmed). Of course the A600HD never had the "missing" scsi.device that some early A600 models suffered from.
Please see the A600