Editing Atari 1050 (section)

== Specifications ==

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|+'''Atari 1050 disk specifications (FD100330, Appendix 6A)'''
! !! Single density !! Dual density
|-
| Encoding || FM || MFM
|-
| Tracks per surface || 40 || 40
|-
| Tracks per inch || 48 || 48
|-
| Sectors per track || 18 || 26
|-
| Bytes per sector || 128 || 128
|-
| Formatted capacity || 92,160 bytes || 133,120 bytes
|-
| Unformatted capacity per surface || 135,280 bytes || 260,400 bytes
|-
| Disk transfer rate || 125,000 bit/s || 250,000 bit/s
|-
| Rotational speed || 288 rpm ±3 % || 288 rpm ±3 %
|-
| Track-to-track access (maximum) || 40 ms || 40 ms
|-
| Head settling (maximum) || 30 ms || 30 ms
|-
| Motor start (maximum) || 1,000 ms || 1,000 ms
|}

The dual-density format keeps 128-byte sectors, so it is not the 180 KB double density (18 sectors of 256 bytes) used by the Atari 815 and by most third-party drives.<ref name="faq" /> The link to the computer runs at 19.2 kbit/s.<ref name="faq" /> The drive firmware supports the Get Sector, Put Sector, Put Sector with Verify, Status Request and Format Disk commands.<ref name="fsm" />

Atari specifies an input of 8.52 V AC ±12 % at 60 ±3 Hz, and a power consumption of 15 W in standby, 30 W operating and 50 W at start-up (maximum figures).<ref name="fsm" />