1742d8acf0
- use .Tn, .Bx, .Ul, .Key, .Sq, .Dq, .Li, .Dl, (etc) ... as appropriate - be more consistent between various ports' install notes - other cleanups
140 lines
4.2 KiB
Plaintext
140 lines
4.2 KiB
Plaintext
.\" $NetBSD: hardware,v 1.18 2000/10/29 14:08:07 lukem 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 might be sufficient to boot, and the system can probably
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be squeezed onto a 40 MB hard disk by leaving off an unnecessary set or two.
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To actually do much compiling or anything more interesting than booting, at
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least 8 MB of RAM and more disk space is recommended. About 95 MB will be
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necessary to install all of the
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.Nx \*V
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binary system distribution
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sets (note that this does not count swap space!). An additional 30 MB or so
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is needed for the binary X11 distribution sets. Much more disk space is
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required to install the source and objects as well (at least another 300
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MB).
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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
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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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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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.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 - 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 acclerators)
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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 - 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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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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Classic-series Macs
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.It
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PowerBook 100-series and Duo-series Macs
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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
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.It
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Newer Performa-series machines
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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.
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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 often fairly different from that of the \*M port. If you are
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interested in this, you might want to take a look at the new
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.Nx Ns /macppc
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port:
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.Lk http://www.netbsd.org/Ports/macppc/index.html
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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 xntpd
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is rather pointless unless you periodically call
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.Ic ntpdate .
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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 MacOS
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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 MacOS .
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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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