Article
Missing storage capacity
By Jerrod H.
Contributing Editor
Published: Wednesday, December 21, 2005
Articles Categories: Ask iLounge, iPod classic, iPod nano, iPod shuffle, iPod touch
Ask iLounge offers readers the opportunity to get answers to their iPod-, iPhone-, iPad-, iTunes-, or Apple TV-related questions from a member of the iLounge editorial team. We'll answer several questions here each week, and of course, you can always get help with more immediate concerns from the iLounge Discussion Forums. Submit your questions for consideration using our Ask iLounge Submit Form. We reserve the right to edit questions for grammar, spelling, and length.
Q:
I have a 60GB Photo iPod that seems to have lost about 4Gb of disk space. The total size of the files contained in the iTunes Library is 39.95Gb; The iPod reading is showing 40.02Gb used and 15.73GB free. That totals 55.75GB. What has happened to the remaining 4.25GB? I have nothing set up for photos or other files and have tried resetting to factory condition, but with no luck. Any ideas?
- David
A: We occasionally revisit this issue, but the answer is always the same: it’s not missing… you’ve been a victim of marketing spin. Hard drive and device manufacturers advertise a gigabyte in “decimal” terms, where 1GB = 1,000,000,000 bytes. However, computers and devices interpret this storage space in “binary” terms, where 1GB = 2^30, or 1,073,741,824 bytes.
The ratio of these two interpretations is roughly 0.931, which explains why you’re seeing approximately 93% of your total storage. We have a more detailed FAQ on the issue here.
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