27 lines
948 B
Plaintext
27 lines
948 B
Plaintext
.\" @(#)mb.4s 1.1 92/07/30 SMI;
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.TH MB 4S "26 July 1985"
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.SH NAME
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mb \- mainbus
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.SH SYNOPSIS
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\fBcontroller mb0 at nexus ?\fP
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.SH DESCRIPTION
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.IX "mb device" "" "\fLmb\fP \(em mainbus" "" PAGE START
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The
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.I mb
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device is a driver for the Intel Multibus\(rg and the Motorola VMEbus\(rg.
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It provides support functions to various devices that reside there.
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It vectors interrupts to Multibus and VMEbus devices according to
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the priority level of the interrupt received,
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and queues requests for DMA when there are insufficient resources
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to service the request or to allow certain DMAs to proceed exclusively.
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It also implements byte swapping to and from deficient devices.
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.SH DIAGNOSTICS
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None.
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.SH "SEE ALSO
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.nf
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ar(4S), cg(4S), ip(4S), ms(4S), oct(4S), tm(4S), vp(4S), xy(4S), zs(4S)
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Intel Multibus Specification, Order Number 9800683-04 (Sun 800-1057-01)
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Motorola VMEbus Specification
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.fi
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.IX "mb device" "" "\fLmb\fP \(em mainbus" "" PAGE END
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