July 28, 2007 ICHSMB 4

### NAME

ichsmb - Intel ICH SMBus controller

### SYNOPSIS

ichsmb* at pci? iic* at ichsmb?

### DESCRIPTION

The ichsmb driver provides support for the Intel ICH SMBus host interface to be used with the iic(4) framework.

Supported chipsets:

- Intel ICH, ICH2, ICH3, ICH4, ICH4-M, ICH5, ICH5R, ICH6, ICH6-M, ICH6R, ICH7, ICH8, C-ICH, 6300ESB and 6321ESB.

### SEE ALSO

iic(4), intro(4), pci(4)

### HISTORY

The ichsmb driver first appeared in OpenBSD4.0. This driver imports from OpenBSD3.9.

### AUTHORS

The ichsmb driver was written by Alexander Yurchenko <grange@openbsd.org>.

### BUGS

The driver doesn't support I2C commands with a data buffer size of more than 2 bytes.