September 18, 2001 MCCLOCK 4

### NAME

mcclock - DS1287 real-time clock

### SYNOPSIS

#### algor

mcclock* at isa? port 0x70

#### alpha

mcclock* at gbus? offset ? mcclock* at ioasic? offset ? mcclock* at isa? port 0x70 mcclock* at jensenio? port ?

#### arc

mcclock* at jazzio?

#### evbmips

mcclock* at isa? port 0x70

#### pmax

mcclock* at ibus0 addr ? mcclock* at ioasic? offset ?

#### sgimips

mcclock* at mace0 offset 0x3a0000

### DESCRIPTION

The mcclock driver provides support for the DS1287 real-time clock (RTC). Note that the kernel expects the RTC to run in UTC.

### SEE ALSO

intro(4), ioasic(4), isa(4)