43 lines
1.3 KiB
Plaintext
43 lines
1.3 KiB
Plaintext
# Disk geometry and partition layout tables.
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# Key:
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# dt controller type
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# ty type of disk (fixed, removeable, simulated)
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# d[0-4] drive-type-dependent parameters
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# ns #sectors/track
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# nt #tracks/cylinder
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# nc #cylinders/disk
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# sc #sectors/cylinder, ns*nt default
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# su #sectors/unit, sc*nc default
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# se sector size, DEV_BSIZE default
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# rm rpm, 3600 default
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# sf supports bad144-style bad sector forwarding
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# sk sector skew per track, default 0
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# cs sector skew per cylinder, default 0
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# hs headswitch time, default 0
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# ts one-cylinder seek time, default 0
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# il sector interleave (n:1), 1 default
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# bs boot block size, default BBSIZE
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# sb superblock size, default SBSIZE
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# o[a-h] partition offsets in sectors
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# p[a-h] partition sizes in sectors
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# b[a-h] partition block sizes in bytes
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# f[a-h] partition fragment sizes in bytes
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# t[a-h] partition types (filesystem, swap, etc)
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#
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# All partition sizes reserve space for bad sector tables.
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# (5 cylinders needed for maintenance + replacement sectors)
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#
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floppy|floppy3|3in|Amiga 3.5in Double Density Floppy:\
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:ty=floppy:se#512:nt#2:rm#300:ns#11:nc#80:\
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:ts#3500:\
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:ta=4.2BSD:pa#1760:oa#0:ba#4096:fa#512:\
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:pb#0:ob#0:\
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:pc#1760:oc#0:
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floppyhd|floppy3hd|3inhd|Amiga 3.5in High Density Floppy:\
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:ty=floppy:se#512:nt#2:rm#300:ns#22:nc#80:\
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:ts=3500:\
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:pa#3520:oa#0:ba#4096:fa#512:\
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:pb#0:ob#0:\
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:pc#3520:oc#0:
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