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MESH(4)

Device Drivers Manual (macppc)

MESH(4)

NAME

mesh —

Macintosh Enhanced SCSI Hardware

SYNOPSIS

mesh* at macobio? flags 0xffff

DESCRIPTION

The mesh driver provides support for the onboard SCSI/2 (fast SCSI) controller found on many old world Apple Power Macintosh systems and clones.

Machines supported by the mesh driver include:

Power Macintosh 7600, 8500, 9500 and 9600.

DEVICE FLAGS

The mesh driver supports the following flags.

Bits 0-7:: Disable disconnect/reselect for the corresponding SCSI ID number.
Bits 8-15: Disable synchronous negotiation for the corresponding: SCSI ID number.

Disconnect/reselect should be enabled for tape devices, or SCSI bus performance may be degraded.

SEE ALSO

intro(4), macobio(4), scsi(4)

HISTORY

The mesh driver first appeared in OpenBSD 4.1.

BUGS

No support for tagged queueing. Synchronous transfers and disconnect/reconnect are disabled by default.

August 14, 2012

OpenBSD-current