152 lines
4.4 KiB
Plaintext
152 lines
4.4 KiB
Plaintext
.\" $NetBSD: hardware,v 1.25 2015/05/19 19:30:28 snj Exp $
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.
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.Nx*M
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\*V runs on several of the older Macintosh computers.
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About 4 MB of RAM is sufficient to boot a stripped-down custom kernel, and a
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subset of the system can be squeezed onto a 40 MB hard disk with considerable
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creativity and persistence. However, 140 MB of disk should be considered a
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practical minimum, and to do anything more interesting than booting at least
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8 MB of RAM and more disk space is recommended.
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.Pp
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Please note that to install
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.Nx*M
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\*V using the
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.Ic sysinst
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method, your system must have a minimum of 6 MB of RAM and 60 MB of
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available disk space (i.e. not part of an in-use HFS partition).
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.
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.Ss2 Supported models
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.(bullet -compact -offset indent
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Mac II, IIx, IIcx, SE/30, IIci, IIsi, IIvx, IIvi
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.It
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Performa 400/405/410/430, Performa 450, Performa 460/466/467
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.It
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Performa 520, Performa 550/560, Performa 600/600CD
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.It
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LC II, LC III, LC III+, LC 520, LC 550
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.It
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MacTV
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.It
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Classic II, Color Classic
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.It
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Centris 650
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.It
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Quadra 610, Quadra 630, Quadra 650, Quadra 700, Quadra 800
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.It
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Quadra/Centris 660AV, Quadra 840AV
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.It
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PowerBook 140, PowerBook 145/145B, PowerBook 170
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.It
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PowerBook 160, PowerBook 165, PowerBook 180
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.It
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PowerBook 165c, PowerBook 180c, PowerBook 550c
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.bullet)
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.
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.Ss2 Supported devices
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.(bullet -compact -offset indent
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Onboard SCSI bus and most SCSI tapes, hard drives, and CD-ROMs
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.It
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Internal sound \(em enough to beep on some machines, anyway
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.It
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Most basic NuBus video cards (there have been some
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problems with some 24-bit color cards and with most
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QuickDraw accelerators)
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.It
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Both internal serial ports
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.It
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ADB keyboards and mice (both Apple and a number of third party
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multi-button mice and trackballs are supported)
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.It
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Ethernet cards based on the National Semiconductor 8390 and the
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SONIC (DP83932) chips
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(Asante, Apple, and a few others \(em problems still
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with Ethernet and many NuBus video cards)
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.It
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Ethernet cards based on the SMC 91c92 and 91c100 (FEAST) chips.
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This includes the AsanteFAST 10/100 cards
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.It
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Onboard Ethernet based on the SONIC chip for Quadra-series Macs
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.It
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Onboard Ethernet based on the MACE (Am79C940) chip for the Quadra
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AV-series Macs
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.It
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Ethernet port on Asante NetDock and Newer Ether MicroDock,
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for PowerBook Duo series
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.It
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Comm-slot Ethernet should be working for most machines/cards
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.bullet)
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.Pp
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If your 68030 system is not listed above, it may be because of a problem
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with accessing onboard video, and it may still work with a serial console.
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Some of the known ones in this category:
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.(bullet -compact -offset indent
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Mac Classic series
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.It
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PowerBook Duo series
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.bullet)
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.Pp
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If your 68LC040 system is not listed above, it is due to a problem with
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floating point emulation (FPE) for this type of processor. Machines in
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this category include:
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.(bullet -compact -offset indent
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Newer LC-series machines (47x, 57x)
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.It
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Newer Performa-series machines (47x, 57x, 58x, 63x, 640)
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.It
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Some PowerBook 500-series Macs
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.bullet)
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.
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.Ss2 Unsupported models
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.(bullet -offset indent
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Macintosh IIfx
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.Pp
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This machine has unusual custom chips for the ADB and serial interfaces
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which make support for it difficult. Work is in progress on this, though.
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.It
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Quadra 900/950
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.Pp
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These machines have I/O processor chips for their ADB interfaces similar to
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those used in the IIfx and thus face similar support problems. Note that you
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can use a serial console on these systems.
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.It
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PowerPC-based Macs
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.Pp
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This is a separate effort from the \*M port. PowerMacs use hardware that
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is quite different from that of the \*M port. See the
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.Nx Ns /macppc
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port webpage at
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.Lk http://www.NetBSD.org/ports/macppc/
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for more information.
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.bullet)
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.
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.Ss2 Known hardware issues with this release
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.(bullet -offset indent
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Real Time Clock
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.Pp
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Due to oddities of the Macintosh hardware interrupt priority scheme,
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.Nx*M
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keeps very poor time. Under a high interrupt load (e.g.
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SCSI or serial port activity), a machine can lose several minutes
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per hour. A consequence of this problem is that attempting to run
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.Ic ntpd
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is generally rather pointless.
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.It
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SCSI difficulties
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.Pp
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The
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.Nx*M
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SCSI drivers are not quite as
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robust as their
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.Tn Mac OS
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counterparts. Symptoms of these
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problems are that some SCSI disks will not work under
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NetBSD that work fine under
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.Tn Mac OS .
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Other problems include
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occasional file system corruption with some types of drives
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and the general unreliability of removable SCSI media.
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Keep in mind that there are no clear patterns with these
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problems, and they do not appear to affect the majority of
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users.
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.bullet)
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