Zenith Z-100 Series, Technical Manual

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Page 10.3
GENERAL INFORMATION
8085 Key Facts
Clock Speed:
Address Space:
Interrupts:
DMA:
5 MHz.
16 bits extended to 24.
TRAP
=
(NMI or p o wer f ailure)
RST5.5, RST6.5, RST7.5 disabled.
Vectored interrupts through 8259 dis-
abled by Mask.
External d evices, a n d
p r o cessor
swap.
Keyboard function. Reset:
8088 Key Facts
Clock Speed:
Address Space:
Interrupts:
DMA:
5 MHz.
20 bits, extended to 24.
NMI =
(NMI or power failure).
TEST jumperable to 0 or 1.
Vectored by 8259.
External d evices, a n d
p r o cessor
swap.
Keyboard function.
Reset:
ROM Information
Size:
Address:
4, 8, 16, or 32 kilobytes (by jumpers).
1016 — 1023K or, top 8k or every 64k
or, every Sk in memory or, can be
deselected.
RAM Information
Size:
standard.
64k to 192k, in 64k increments, parity
Dependent on mapping ROM.
Address: