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.Dd May 28, 2000 .Dt MCA 4 .Os .Sh NAME .Nm mca .Nd introduction to machine-independent MCA bus support and drivers .Sh SYNOPSIS .Cd "mca0 at mainbus?"
p Machine-dependent; depends on the bus topology and .Tn MCA bus interface of your system. Typical .Tn MCA buses are connected directly to the main system bus. .Sh INTRODUCTION .Nx includes a machine-independent .Tn MCA bus subsystem and several machine-independent .Tn MCA device drivers.
p .Sh SUPPORTED DEVICES .Nx includes machine-independent .Tn MCA drivers, sorted by device type and driver name:
p
.Ss SCSI controllers
l -tag -width speaker -offset indent t aha Adaptec AHA-1640
.Tn SCSI
interface.
.El
.Ss Disk and tape controllers
l -tag -width speaker -offset indent t edc IBM ESDI Fixed Disk Controller
.El
.Ss Serial interfaces
l -tag -width speaker -offset indent t com NS8250-, NS16450-, and NS16550-based serial cards.
.El
.Ss Network interfaces
l -tag -width speaker -offset indent t tr TROPIC based token ring interfaces
t ate Allied-Telesis 1720 ethernet interface cards
t we WD/SMC WD80x3x ethernet interface cards and clones
t le SKNET Personal and MC+ ethernet interface cards
t elmc 3Com EtherLink/MC (3c523) ethernet interface
t ep 3Com EtherLink III 3c529 ethernet interface
.El
.Sh SEE ALSO
.Xr aha 4 ,
.Xr ate 4 ,
.Xr com 4 ,
.Xr edc 4 ,
.Xr elmc 4 ,
.Xr ep 4 ,
.Xr le 4 ,
.Xr tr 4 ,
.Xr we 4
.Sh HISTORY
The machine-independent
.Tn MCA
subsystem appeared in
.Nx 1.5 .
Indexes created Sun Oct 19 22:09:57 GMT 2025