— ESP NCR
53c94 on-board or SBus SCSI interface
dma* at sbus?
esp* at dma?
esp* at sbus?
(depending on model)
is an on-board or SBus SCSI controller
based on the NCR 53c94 chip, found on some Sun UltraSPARC workstations.
- Bits 0-15
- Disable disconnect/reselect for the corresponding
- Bits 16-31
- Disable synchronous negotiation for target "[bit -
device flags may be OR'd together to enable
any combination of the features listed above. Targets 4 through 7 typically
have disconnect/reselect 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.
support for the esp
first appeared in OpenBSD 3.0