File:IBM PC XT 10 meg MFM low level format.jpg

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IBM_PC_XT_10_meg_MFM_low_level_format.jpg ‎(331 × 301 pixels, file size: 21 KB, MIME type: image/jpeg)

Summary[edit]

Non-free media information and use rationale true for Disk formatting
Description	Example of obsolete 1987 software program for low-level formatting MFM/RLL hard drives, to recreate track and sector boundaries, check for media errors, and to also configure the sector interleaving.
Source	IBM PC XT with 640 kilobytes of memory, text-only monochrome video, 360k floppy drive, Western Digital MFM drive controller, and a Seagate 10 megabyte MFM hard drive
Article	Disk formatting
Portion used
Low resolution?	image is 500x455, and was taken with a handheld digital camera of the IBM PC XT monochrome monitor. Slight camera shake so the image is blurry.
Purpose of use	Documentation of the obscure low-level formatting process that was once common with early IBM PC MFM/RLL hard drives, typically under 50 megabytes in total partition size.
Replaceable?	This image generally cannot be replaced by free content. Low level formatting cannot be done with modern IDE/SATA drives. This function was typically solely performed by utilities provided by the hard drive or MFM/RLL controller manufacturer.
Fair useFair use of copyrighted material in the context of Disk formatting//en.wikipedia.org/wiki/File:IBM_PC_XT_10_meg_MFM_low_level_format.jpgtrue

Non-free media information and use rationale true for Interleaving (disk storage)
Description	Example of obsolete 1987 software program for low-level formatting MFM/RLL hard drives, to recreate track and sector boundaries, check for media errors, and to also configure the sector interleaving.
Source	IBM PC XT with 640 kilobytes of memory, text-only monochrome video, 360k floppy drive, Western Digital MFM drive controller, and a Seagate 10 megabyte MFM hard drive
Article	Interleaving (disk storage)
Portion used
Low resolution?	image is 500x455, and was taken with a handheld digital camera of the IBM PC XT monochrome monitor. Slight camera shake so the image is blurry.
Purpose of use	Documentation of the obscure low-level formatting process that was once common with early IBM PC MFM/RLL hard drives, typically under 50 megabytes in total partition size.
Replaceable?	This image generally cannot be replaced by free content. Low level formatting cannot be done with modern IDE/SATA drives. This function was typically solely performed by utilities provided by the hard drive or MFM/RLL controller manufacturer.
Fair useFair use of copyrighted material in the context of Interleaving (disk storage)//en.wikipedia.org/wiki/File:IBM_PC_XT_10_meg_MFM_low_level_format.jpgtrue

Non-free media information and use rationale true for Hard disk drive
Description	Example of obsolete 1987 software program for low-level formatting MFM/RLL hard drives, to recreate track and sector boundaries, check for media errors, and to also configure the sector interleaving.
Source	IBM PC XT with 640 kilobytes of memory, text-only monochrome video, 360k floppy drive, Western Digital MFM drive controller, and a Seagate 10 megabyte MFM hard drive
Article	Hard disk drive
Portion used
Low resolution?	image is 500x455, and was taken with a handheld digital camera of the IBM PC XT monochrome monitor. Slight camera shake so the image is blurry.
Purpose of use	Documentation of the obscure low-level formatting process that was once common with early IBM PC MFM/RLL hard drives, typically under 50 megabytes in total partition size.
Replaceable?	This image generally cannot be replaced by free content. Low level formatting cannot be done with modern IDE/SATA drives. This function was typically solely performed by utilities provided by the hard drive or MFM/RLL controller manufacturer.
Fair useFair use of copyrighted material in the context of Hard disk drive//en.wikipedia.org/wiki/File:IBM_PC_XT_10_meg_MFM_low_level_format.jpgtrue

Non-free media information and use rationale true for Disk drive performance characteristics
Description	Example of obsolete 1987 software program for low-level formatting MFM/RLL hard drives, to recreate track and sector boundaries, check for media errors, and to also configure the sector interleaving.
Source	IBM PC XT with 640 kilobytes of memory, text-only monochrome video, 360k floppy drive, Western Digital MFM drive controller, and a Seagate 10 megabyte MFM hard drive
Article	Disk drive performance characteristics
Portion used
Low resolution?	image is 500x455, and was taken with a handheld digital camera of the IBM PC XT monochrome monitor. Slight camera shake so the image is blurry.
Purpose of use	Documentation of the obscure low-level formatting process that was once common with early IBM PC MFM/RLL hard drives, typically under 50 megabytes in total partition size.
Replaceable?	This image generally cannot be replaced by free content. Low level formatting cannot be done with modern IDE/SATA drives. This function was typically solely performed by utilities provided by the hard drive or MFM/RLL controller manufacturer.
Fair useFair use of copyrighted material in the context of Disk drive performance characteristics//en.wikipedia.org/wiki/File:IBM_PC_XT_10_meg_MFM_low_level_format.jpgtrue

Licensing[edit]

This is a screenshot of copyrighted computer software, and the copyright for its contents is most likely held by the author(s) or the company that created the software. It is believed that the use of a limited number of low-resolution screenshots:

for identification of, and critical commentary on, the software in question,
in the absence of a free alternative,
on the English-language Wikipedia, hosted on servers in the United States by the non-profit Wikimedia Foundation,

…qualifies as fair use under United States copyright law. Any other uses of this image, on Wikipedia or elsewhere, may be copyright infringement. See Wikipedia:Non-free content for more information. Fair use

File history

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	01:22, 11 July 2017		331 × 301 (21 KB)	DatBot (talk \| contribs)	Reduce size of non-free image (BOT - disable)
	13:50, 7 February 2008	No thumbnail	500 × 455 (73 KB)	DMahalko (talk \| contribs)	{{Non-free use rationale \|Article=interleave, Disk formatting \|Description=Example of obsolete 1987 software program for low-level formatting MFM/RLL hard drives, to recreate track and sector boundaries, check for media errors, and to also configure the s

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File usage

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