Megatel Quark/100 Specifications Page 76

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TABLE
VlIlg
COMPOSITE
VIDEO
DATA
DISPLAY
MONITOR
CONNECTIONS
FUNCTION
QUARK
PIN
REMARKS
Video
input
on
monitor
C-S
Signal
ground
on
monitor
A-1
The
video output
from
the
QUARK
can
be
twisted with a
ground
wire.
-----,-------------------------------
,----_.---
______
,
______________________________________
u
____
__
TABLE
Vlllh
ANALOG
RGB
COLOUR
DISPLAY
MONITOR
CONNECTIONS
FUNCTION
QUARK
PIN
REMARKS
---------------------------------._-----------------
--------,-----
-----
GREEN
video output
B-1
BLUE
video output
C-1
RED
video output
A-2
COMPOSITE
SYNC
output
C-S
Signal
ground
on
monitor
A-1
TABLE
IX
JUMPER
OPTIONS
JUMPER
10
FUNCTION
J1
MM
PAL
RAS
bypass
J2
8"
/ S.2S" floppy
J3
Non-spl
it
baud rate
J4
Split
baud
rate
JS
A-4
GP
serial
out
J6
A-4
GP
serial
out
J7
B-2
GP
serial
in
J8
B-2
GP
serial
in
J9
68ASO
CS2
J10
68AS2
Reset
J11
68ASO
CS1
J12
68A52
CS
J13
68A50
CSO
Each
video output
from
the
QUARK/1S0
can
be
twisted with
a
ground
wi
re.
USE
Connect
for 64k-only
Connect
for
8"
floppy
Connect
for non-split
Connect
for
split
Connect
for
VIA
CB1
to
A-4
Connect
for
VIA
CB2
to
A-4
Connect
for
B-2
to
VIA
CB2
Connect
for
B-2
to
VIA
PB6
Connect
for
68ASO
Connect
for
68AS2
Connect
for
68A50
Connect
for
68A52
Connect
for
68A50
J14
POSITIVE
SYNC
(Q/150)
Connect
for positive
sync
J15
NEGATIVE
SYNC
(Q/150)
Connect
for negative
sync
------
- -
---
Notes:
1.
The
standard
installed
jumper
configuration
is:
J2(if
8-inch diskettes are ordered), J3, J6, J8,
J9,
J11, J13.
2.
Connect
both
J3
and
J4
for
Timer
1-generated
baud
rates
on
the simplex
serial
port as well
as
on
transmitter
and
receiver of full-duplex
serial
port.
3.
Pin
A-4
is
driven
by
an
RS-232C
driver output. Pin
B-2
drives
an
RS-232C
receiver input.
4.
The
68A52
SSDA
is available
by
special order only. Contact the factory for further
information.
5.
J1
is
installed
at the factory
on
64k
memory
versions.
6.
J14
and
J15
apply
on
to
the
QUARK/150,
where
they determine the polarity of the composite
sync
output to the
RGB
monitor.
Only
one
of
J14
and
J15
should
be
connected
at
any
time.
Megatel
Computer
Technologies Toronto,
Canada
Appendix
Page
A-1S
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