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QLW(4) Device Drivers Manual QLW(4)

qlwQLogic ISP1000/1020/1x40/1x80/1x160 SCSI controller

qlw* at pci?
qlw* at sbus?

The qlw driver provides support for QLogic Ultra Wide SCSI host bus adapters using the ISP1000, ISP1020/1040, ISP1080/1240/1280 and ISP10160/12160 chips.

qlw provides no ability to configure an adapter's parameters at runtime; all configuration must be done prior to booting OpenBSD.

intro(4), pci(4), qla(4), qle(4), sbus(4), scsi(4)

The qlw driver first appeared in OpenBSD 5.6.

The qlw driver was written by Mark Kettenis <>, based on the qla(4) driver written by Jonathan Matthew <>.

January 21, 2015 OpenBSD-current