Specifications

I/O Port 6-79
• One external hose connection
• Optional multimode FDDI daughter card or UTP FDDI daughter card
• Optional 4-Mbyte NVRAM daughter card
• Onboard 128-Kbyte map RAM
The integrated I/O port is comprised of two sections, as shown in Figure
6-34.
• TLSB bus interface
• Integrated I/O section
Figure 6-34 KFTIA Block Diagram
The TLSB bus interface contains all the hardware necessary to interface
the system bus to the internal and external hose buses. This section is
nearly identical to the KFTHA, except that the integrated I/O port only
IDR_3
IDR_2
ICR
IDR_1
IDR_0

DC/DC
Converter
Down
HDR
Up
HDR
NVRAM
Card
FDDI
Card
Integrated I/O 
Section
ABT
244

ABT
574
Down
Hose 1
Up
Hose 1
FNS

FWD
FWD
FWD
10BaseT
10BaseT
SCSI 3
SCSI 2
SCSI 1
SCSI 0

Ethernet 1
Ethernet 0
Multimode
or UTP
FDDI
32
32
64
MSB
Address
Control
128
LSB
TLSB Bus
64
128
16
16
16
16
16
16
16
16
BXB0793.AI
Turbo Vortex Bus A