User`s guide

3.5 ISA Bus Devices
Figure 3–3 ISA Devices
J27 J26 J33 J31
PCI Bus
la<23:17> sd<15:0>
PCI−to−ISA
Bridge
82378ZB
sd<7:0>
Diskette
Parallel
Com1 Com2
Combination
Controller
87312
Transceivers
J19
J20 J21
Flash ROM
1M X 8b DS1287
Keyboard
Mouse
Controller
8242
Time−of−
Year Clock
sa<19:0>
sa<9:0>
ubus_data<7:0>
eb164.25
eb164.27
eb164.33 eb164.32eb164.33
eb164.31
sa<2>
Kbd
J32
Mouse
ISA0
ISA1 ISA2
MK−2306−29
sa<18:0>
eb164.26 eb164.26 eb164.26
J28IDE
Config.
Jumpers
eb164.4
Ubus
Decoder
eb164.30
sa<2:0>
ecasaddr<2:0>
ior,iow
ubus_data<0>
and
adr19
J34
Functional Description 3–9