esp - ESP NCR 53c94 on-board or SBus SCSI controller
dma* at sbus? slot ? offset ? (SBus SCSI)
esp* at dma? flags 0x0000 (two flavours)
esp* at sbus? slot ? offset ? flags 0x0000 (depending on
scsibus* at esp?
The esp is an on-board or SBus SCSI controller based on the
chip, found on some Sun UltraSPARC workstations.
Bits 0-7 Disable disconnect/reselect for the corresponding target
Bits 8-15 Disable synchronous negotiation for target "[bit
The esp device flags may be OR'd together to enable any combination of
the features listed above. Targets 4 through 7 typically
enabled on the premise that tape devices normally have one
of these targets. Tape devices should be allowed to disconnect for the
SCSI bus to operate acceptably.
cd(4), ch(4), intro(4), isp(4), sbus(4), scsi(4), sd(4),
OpenBSD support for the esp first appeared in OpenBSD 3.0.
OpenBSD 3.6 October 8, 2001
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