ZiLOG System 8000 Hardware Reference Manual

HRM
Zilog
Figure 1-1 System 8000
HRM
1.2.2. Winchester Disk Controller (WDC): The disk con-
troller enables the CPU to communicate with up to four 24 or
32 MB Winchester disk drives. An intelligent bus module
with an on-board Z80B microprocessor, the controller can be
polled or interrupt-driven by the CPU. The appropriate
jumper arrangement determines the controller's mode of
operation. The disk is organized into 512-byte sectors. A
single command can cause the transfer of up to 128 512-byte
sectors. In addition, the disk controller uses a full-track
1-3
Zilog
1-3

ZiLOG System 8000 Specifications

General

Brand	ZiLOG
Model	System 8000
Category	Desktop
Language	English