ZiLOG System 8000 Hardware Reference Manual

HRM Zilog
HRM
:3MD Board Switch
OFF 7 6 5 4 3 2 1
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L..-- ---'
SW 1
3.5.2. SMD Disk status Indicators: The drive has six LEDs,
four for status (ST1, ST'2, 3T4, ST8), one for ready (RDY),
and one for file protect (FPT). Drive fault indication is
given by the four status LEDs (ST1, ST2, ST4, ST8) on the
SMD PCB. The indicator LEDs are defined as follows:
FPT (File Protect) switch: SW1-Key 7
This switch inhibits the write operation and should be
in the OFF position.
RDY (Ready) indicator: Gree,n
This RDY LED indicates that the initial seek has been
performed or indicates the termination of a Seek or RTZ
operation.
FPT (File Protect) indicator: Red
This LED indicates that writing is inhibited and is
controlled by SW1-Key 7 on the SMD disk.
ST1 to ST8 (Status 1 to 8) LEDs: Red
Fifteen fault statuses are visible by binary code as
shown in Table 3-2.
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Zilog
3-21

ZiLOG System 8000 Specifications

General

Brand	ZiLOG
Model	System 8000
Category	Desktop
Language	English