4-2
AlphaServer 8200/8400 Operations Manual
4.1 I/O Subsystem Overview
Figure 4-1 illustrates CPU, memory, and I/O port module (KFTHA and KFTIA)
interfaces to the system bus.
Figure 4-1 I/O Subsystem
BX-0653-98
System Bus
CPUs
Memory
KFTHA
Controllers
Devices
I/O Bus
Adapter
Hoses
Hose
KFTIA
PCI
3 FWD SCSI Ports
1 SE SCSI Port
2 Ethernet Ports
Controllers
Devices
I/O Bus
Adapter
Hose
1 FDDI Port (optional)
(Integrated PCI bus)
1 NVRAM