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
- Bits 0-15
- Disable disconnect/reselect for the corresponding target
- Bits 16-31
- Disable synchronous negotiation for target "[bit - 16]"
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
first appeared in