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Command: mcd | Section: 4 | Source: NetBSD | File: mcd.4
MCD(4) FreeBSD Kernel Interfaces Manual MCD(4)
NAME
mcd - Mitsumi CD-ROM driver
SYNOPSIS
mcd0 at isa? port 0x300 irq 10
options MCD_PROMISC
DESCRIPTION
The mcd driver provides support for Mitsumi CD-ROM controller and drive
on the isa(4) bus.
FILES
/dev/cd[0-9][a-h] block mode Mitsumi CD-ROM devices
/dev/rmcd[0-9][a-h] raw mode Mitsumi CD-ROM devices
SEE ALSO
intro(4), isa(4), ne(4), we(4)
BUGS
The mcd hardware is difficult to probe accurately. Historically, the
mcd probe would accept any return values as indicating that an mcd drive
was present. Other devices, particularly ne(4) or we(4), would then be
incorrectly claimed by the mcd driver. The driver now only accepts
result codes known to indicate Mitsumi-compatible CD controllers, but may
reject some mcd hardware which returns other result codes.
options MCD_PROMISC enables the original promiscuous probe behaviour.
Use with extreme caution.
FreeBSD 14.1-RELEASE-p8 November 29, 1994 FreeBSD 14.1-RELEASE-p8