QQHOKI In 1944, he started making toy wooden pop guns in his garage at home. Tandy advertised the Model II as "a business computer - not a hobby, 'home' or personal computer". The disk format on the Model II closely followed the IBM 3740 standard, which specified 77 tracks, 26 sectors per track, soft sector formatting, and a sector size of 128 bytes for a formatted capacity of about 250 KB, however the Model II had a double density controller, so the disk format used 256 byte sectors and formatted capacity was about 492 KB.|Slot Olympus: Launching {Your own|Your individual|Your personal} {Affiliate program|Associates program}