Introduction
FEATURES OF THE ZT 8809A
•
STD-80 and STD 32 bus compatible
•
Optional CMOS versions available
•
8088/8086 code compatible
•
Four 32-pin memory sockets, configurable for
–
1 EPROM and 3 RAMs or
–
2 EPROMs and 2 RAMs
•
Acceptable RAM sizes are 32 Kbytes to 512 Kbytes
•
Acceptable EPROM sizes 16 Kbytes through 256 Kbytes
•
One 32 Kbyte static RAM
•
Real-time clock (DS 1215)
•
Optional battery backup for all RAM and real-time clock
•
AC/DC power-fail protection
•
Latching frontplane connectors
•
Optional Numeric Data Processor (8087) via zSBC 337
•
Wait-state generator
•
Interrupt Controller (8259A-2)
•
Two RS-232-C serial channels (VL 16C452), one RS-422/485
selectable
•
Three Counter/Timers (8254)
•
Centronics printer interface or general purpose parallel I/O port
(VL 16C452)
•
Optional STD DOS operating system software
•
Optional STD ROM development/debug software
•
Optional cables for Centronics printer interface and serial ports
•
Fully tested while cycling temperature from ambient to +55˚
Celsius
to
guarantee
reliability
(to
+80˚
Celsius
for
ZT 88CT08A/88CT09A)
•
Slow-down
and
sleep
modes
provided
with
the
ZT 88CT08A/88CT09A
•
Two-year warranty on all boards
1-4
