September 19, 2001 MCBUS 4 alpha

### NAME

mcbus - MCBUS system bus

### SYNOPSIS

mcbus* at mainbus0 mcmem* at mcbus? mid ?

### DESCRIPTION

The mcbus driver provides support for MCBUS system bus found on AlphaServer 4100 systems.

The following devices are supported by the mcbus driver:

mcmem
  memory modules attached to the MCBUS main system bus.
mcpcia
  MCPCIA MCBUS-to-PCI bus adapter

The following devices are NOT supported by the mcbus driver:

i2c
  i2c bus

### SEE ALSO

intro(4), mainbus(4), mcpcia(4)

### BUGS

Only one MCBUS bus can exist within the system.