I/OBoards and Components 4-9
4
Figure4-6 SBus I/O Board SimplifiedBlock Diagram
Fiber
interface
SYSIO B
Single-ended
SBus
Data controller (8)
Address
controller
Address Data
Control
Control
Address
Data
TPE
SBus
card
SBus
card SBus
card FEPS
SOC
Fiber
RISC
Centerplane connector
interface
SYSIO A RISC
Bootbus
controller
Bootbus
On-board devices
slot 0slot 1slot 2
slot 13 (d) slot 3
Fast/Wide
SCSI
10/100MB
Ethernet
SCSI Conn