Andy's enormous "Minix" -> "MINIX 3" crusade ;)
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@@ -9,7 +9,7 @@ controller, disk, tape, at, bios, esdi, aha1540, ncr810, dosfile, fatfile \- con
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The
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.BI c n *
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family of devices refer to drivers that control disks, disk like devices,
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and tapes. Minix contains a number of drivers for several different
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and tapes. MINIX 3 contains a number of drivers for several different
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controllers. These controllers can have disks, cdroms and tapes attached to
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them. Boot Monitor variables specify which drivers are activated using
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the variables
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@@ -69,7 +69,7 @@ minor device what? obsolete
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.PP
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The device names in
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.B /dev
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also name the controller, of course, so the usual place for the Minix
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also name the controller, of course, so the usual place for the MINIX 3
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root device, the first subpartition of the second partition of disk 0 on
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controller 0 is
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.BR /dev/c0d0p1s0 .
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@@ -78,12 +78,12 @@ Note that everything is numbered from 0! The first controller is controller
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.BR p1 .
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.PP
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The fourth column in the table above shows the disk devices names that were
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used by previous versions of Minix for what is now controller 0. These
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used by previous versions of MINIX 3 for what is now controller 0. These
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devices are no longer present in
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.BR /dev .
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.SS Disks
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Most disks are arrays of 512 byte sectors. The disk devices are normally
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block devices, which means they are block buffered by the Minix file system
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block devices, which means they are block buffered by the MINIX 3 file system
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cache using 1024 byte blocks. The FS cache allows I/O at any byte offset,
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and takes care of cutting and pasting incomplete blocks together. If one
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creates a character device for a disk device, then I/O must be in multiples
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@@ -101,8 +101,8 @@ partitions may be defined, named
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to
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.BR c0d0p3
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for disk 0 on controller 0. To make things interesting you can also place a
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partition table in the first sector of a Minix partition, which divides the
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partition into up to four subpartitions. Normally Minix is installed into a
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partition table in the first sector of a MINIX 3 partition, which divides the
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partition into up to four subpartitions. Normally MINIX 3 is installed into a
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single partition, with the root, swap and /usr file systems in subpartitions.
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.PP
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If a partition is an extended partition then it contains a linked list of
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@@ -139,7 +139,7 @@ struct part_entry {
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/* Partition types (sysind). */
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#define NO_PART 0x00 /* unused entry */
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#define MINIX_PART 0x81 /* Minix partition type */
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#define MINIX_PART 0x81 /* MINIX 3 partition type */
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.fi
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.PP
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The cylinder numbers are encoded in a very strange way, bits 8 and 9 are
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@@ -288,7 +288,7 @@ By setting the Boot variables
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.BR c0
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to
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.BR c3
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under Minix, or
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under MINIX 3, or
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.BR c0
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to
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.BR c4
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@@ -312,7 +312,7 @@ DMA_SECTORS (see
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it works well enough.
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.SS esdi
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A hard disk driver for use on some PS/2 models.
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.SS "xt \fR(Minix only)"
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.SS "xt \fR(MINIX 3 only)"
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A hard disk driver for IBM/XT type hard disks. Useful for old 286 based
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machines that have such a disk. On XTs you are better off with the
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.B bios
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@@ -326,10 +326,10 @@ This will eventually become a Symbios 810 SCSI driver. (Formerly owned by
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NCR.) KJB has read the docs on this card three times, but has still done
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nothing, the lazy bum.
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.SS dosfile
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The "DOS file as disk" driver that is used when Minix is running
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under DOS. It treats a large DOS file as a Minix disk. Only primary
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The "DOS file as disk" driver that is used when MINIX 3 is running
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under DOS. It treats a large DOS file as a MINIX 3 disk. Only primary
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partitions are supported, there are no subpartitions. This is the default
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driver when Minix is started under DOS.
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driver when MINIX 3 is started under DOS.
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.SS fatfile
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Uses a large file on a FAT file system as a disk. It needs one of the other
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disk drivers to do the actual I/O. This driver only knows how to interpret
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