DPT(4) | Device Drivers Manual | DPT(4) |
dpt
—
dpt* at isa? port ? irq ? dma ?
dpt* at eisa? slot ?
dpt* at pci? dev ? function ?
scsibus* at dpt?
dpt
driver provides support for third and fourth
generation DPT SCSI controllers. All communication with the controllers is
conducted via the EATA (Enhanced AT Bus Attachment) protocol.
DPT adapters examine and interpret all SCSI commands received before passing them to any underlying physical device(s). In this way, caching, RAID and other transformations are achieved while remaining transparent to the host operating system.
dpt
driver provides support for the adapters listed
below. Later models are supported by the iop
driver.
The sysutils/dptutil package.
CAM committee standard CAM/89-004 - the EATA (Enhanced AT Bus Attachment) protocol.
dpt
driver first appeared in NetBSD
1.4.2.
dpt
driver, however a definitive list is not
available.
Older boards that do not support scatter-gather I/O or DMA are not supported.
ECC formatted disk and arrays (i.e. with a sector size of 528 bytes) do not work correctly with the PM2041 and certain firmware revisions of the PM3334.
December 7, 2002 | NetBSD 9.4 |