Model 466-1 Adapter
82 Glossary
Request:
The set of SBus signals (on per bus master) used by the master to
request that the SBus controller grant access to the bus.
SEL:
See Slave Select.
Slave:
A device that responds with an acknowledgment to a slave select and
address strobe.
Slave Select:
A collection of SBus signals (one per slave) used to select
which slave should be active during the current slave cycle.
Transmitter:
An adapter card that is allowed to transmit messages across the
interface cable. There must always be at least one transmitter in any pair of
adapter cards.
Unasserted:
The state of a signal used to terminate an action.
µ
sec:
Microsecond. 1/1,000,000 of a second.
Virtual Address:
An address that references a location in a virtual address
space.
Virtual Address Space:
A contiguous range of virtual memory locations.
Virtual Memory:
A facility whereby the effective range of addressable
memory locations provided to a process is independent of the size of main
memory. This means that the virtual address space of a process is independent
of the physical address space of the CPU.
Window:
A range of addresses that the adapter responds to for a specific
function; a reserved area of main memory.
Word:
16 bits; in the SBus specification, 16-bit data are called halfwords.
Summary of Contents for 466-1
Page 1: ...Model 466 1 Adapter Hardware Manual Connects a SBus Computer to a VMEbus System...
Page 2: ...Model 466 1 Adapter ii...
Page 24: ...Model 466 1 Adapter 14 Adapter Functions...
Page 52: ...Model 466 1 Adapter 42 VMEbus Adapter Card Configuration...
Page 70: ...Model 466 1 Adapter 60 CSR Accessed From The SBus...
Page 88: ...Model 466 1 Adapter 78 Common Problems And Solutions...
Page 106: ...Model 466 1 Adapter 96 Jumper Configuration Worksheets...
Page 107: ...Model 466 1 Adapter Jumper Configuration Worksheets 97 D 1 SBus Adapter Card Worksheet J1...
Page 108: ...Model 466 1 Adapter 98 Jumper Configuration Worksheets...
Page 110: ...Model 466 1 Adapter 100 Jumper Configuration Worksheets...
