CAC(4) | Device Drivers Manual | CAC(4)

# NAME

`cac` — Compaq array controller driver

# SYNOPSIS

`cac* at eisa? slot ?`
`cac* at pci? dev ? function ?`

# DESCRIPTION

The `cac` driver provides basic message passing and DMA support for Compaq array controllers. Disk arrays are supported by the `ld` driver. Monitoring of volume status is supported through the bioctl(8) and envstat(8) utilities, as well as the powerd(8) monitoring daemon.

# HARDWARE

The `cac` driver provides support for the following controllers:

Compaq Integrated Array
Compaq IAES
Compaq IDA
Compaq IDA-2
Compaq RAID LC2
Compaq Smart Array 221
Compaq Smart Array 3100ES
Compaq Smart Array 3200
Compaq Smart Array 4200
Compaq Smart Array 4250ES
Compaq Smart Array 431
Compaq SMART
Compaq SMART-2/E
Compaq SMART-2/P
Compaq SMART-2DH
Compaq SMART-2SL

# SEE ALSO

bio(4), envsys(4), intro(4), ld(4), bioctl(8), envstat(8), powerd(8)

# HISTORY

The `cac` driver first appeared in NetBSD 1.5. Support for volume monitoring through bio(4) and envsys(4) was added in NetBSD 5.0.

May 8, 2019 | NetBSD 11.99