identify Areal harddisk

Areal

MD 2050A 49.1MB (IDE, 29.0/??KB/??) RLL, CHS 819x2x60, 2.5"
MD 2100A 98.3MB (IDE, 29.0/??KB/??) RLL, CHS 1638x2x60, 2.5"
MD 2060 60.0MB (??, 62.0/??KB/??) 2.5"

MD 2050S 49.1MB (SCSI, 29.0/??KB/??) RLL, CHS 819x2x60, 2.5"
MD 2100S 98.3MB (SCSI, 29.0/??KB/??) RLL, CHS 1638x2x60), 2.5"

BP 50 53.0MB (SCSI, 29.0/??KB/??) RLL, 3.5"
BP 100A 103.2MB (IDE, 29.0/??KB/??) RLL, CHS 1720x2x60, 3.5"
BP 200A 204.0MB (IDE, 29.0/??KB/??) RLL, CHS 3400x2x60, 3.5"
BP 100S 103.2MB (SCSI, 29.0/??KB/??) RLL, CHS 1720x2x60, 3.5"
BP 200S 204.0MB (SCSI, 29.0/??KB/??) RLL, CHS 3400x2x60, 3.5"