Laser UDC CARD User manual
Copy
II
Plus is a registered trademark
of
Central Point Software, Inc.
IASER
128,
IASER
128EX are registered trademarks
of
Laser Computer, Inc.
IASER
128EX/2
is
a trademark
of
Laser Computer, Inc.
APPLE, APPLE Ile, APPLE IIGS and ProDOS.are registered trademarks
of
Apple Computer, Inc.
91-2104-25
Printed in HongKong
Ill/
PERSONAL
COMPUTER
UDCCARD
USER'S GUIDE
ffY!iCHJJ
1
UDC
Card User's Guide
WHAT
IS
INSIDE
?
Before you
start
to
workwith your
UDC
Card, check
that
you've got
the
following items :
•
•
•
•
•
UDCcard
Copy
II
Plus®
bundle
Owner's registration card
90-day limited warranty
card
This user's
manual
If
any
of
the
above is missing, please consult your dealer.
WHATISTHEUDCCARD?
The
UDC
(for Universal Disk Controller) card is a versatile floppy disk
controller
that
works with
the
following computers :
•
LASER
128®
•
LASER
128EX®
•
LASER
128EX/2™
•
APPLE®
II+
•
APPLE
Ile®
•
APPLE
IIGS®
If
you
are
usingyour
UDC
card
with
the
LASER
128series computers,you
will also
need
an
expansion box which can provide extra power
and
shieldingfor your peripheralcards. Consultyour dealer for availability
of
the
expansion box.
Besides traditional 5.25" drives (143K),
the
UDC
card
also supports
the
larger capacity
3.5"
drives
(SOOK).
Up
to
a maximum
of
four disk drives
(two5.25" drives + two 3.5" drives) can
be
hooked
up
with
the
UDC
card.
The
types
of
disk drives supported by the
UDC
card
include :
•
LASER
FD-lOOc 5.25" drive
•
LASER
FD-356
3.5"
drive
•
LASER
FD-356DC
3.5"
daisy-chain drive
•
APPLE
5.25 daisy-chain drive
•
APPLE
3.5 daisy-chain drive
UDC
Card User's Guide 2
The
UDC
card
is automaticallyrecognizedbyProDOS®as ablockstorage
device
and
hence requires
no
special disk-based software drivers.
INSTALLING
THE
UDC CARD
Installation
of
the
UDC
cardissimple
and
shouldtakeonlya few minutes.
Read
the
following paragraphscarefully
and
follow
the
instructionsstepby
step.
• First
of
all, turn
OFF
your computer
(and
the expansionboxifyou
are
using the
LASER
128 series computers).
WARNING:
Do
not
plug or unpluganyperipheral card while
your
computeris on, Otherwise, yourcomputer
and/or
the
peripheral card
may
be damaged.
ell
If
you
are
using
the
LASER
128 series computers, plug the expansion
box
into
the
50-way expansion connector
on
the
left side
of
your
computer, following
the
instructions
in
the user's
manual
that
comes
with
the
expansion box.
Then
plug
the
UDC
card into the slot inside
the
expansion
box
which
corresponds
to
port
5
of
the computer. Set
the
"INTERNAL/EX-
TERNAL
PORT
5"
switch inside the
ROM
door
on
the
bottom
of
the
computer
to
"EXTERNAL"
(refer
to
computer's user's
manual
for
more
information
on
this switch).
Note: The built-in expansion
RAM
interface atport 5
of
the com-
puter
must
be disabled when the UDC card is in use. This is
necessarybecause each
I/O
porlcan only supportone device
ata
time.
If
you
are
using
an
APPLE
II+
/Ile
/IIGS,
just
plug
the
UDC
cardinto
any
of
the
peripheral expansion slots (preferably slot 5) located
at
the
rear
end
of
the
motherboard.
The
cardwill onlyfit
in
one
direction
and
so
you
don't
have
to
worryabout inserting
the
card
in thewrongorien-
tation.
___
j
3
UDC
Card User's Guide
DB-19 female connector
. l .
..
,;
......
4
slot~
DB-19 male connector
round cable
computer
Fig. 1 Installing the
UDC
card inApple
II+
/IIc/IIGS
1
.1
UDC
Card User's Guide 4
e
The
UDC
card comes with two DB-19 female connectors which
are
connected
to
the
main PCB
by
20-way flat cables. They
are
labelled
withJ1 (upper) and
J2
(lower)
on
the
PCB.
On
the
other
hand, your
diskdriveshouldhave a roundcable
that
terminateswithaDB-19male
connector. Connectyour drives
to
Jl,
J2
or
the connector
at
the
back
of
a daisy-chain drive connected to
Jl.
The
allowable drive configura-
tions
are
shown
in
the following table:
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
(13)
Jl
3.5
5.25
3.5
3.5
5.25
5.25
3.5/3.5
3.5/5.25
5.25/5.25
3.5/5.25
3.5/5.25/5.25
3.5/3.5/5.25
3.5/3.5/5.25/5.25
J2
3.5
5.25
3.5
5.25
5.25
Note:
The
''/"sign
represents
a
daisy-chain
connection
The
UDC
cardfirmware uses a special sequence to searchfor devices
connectedto it.
As
a result,
the
logical slot and drive
number
assigned
toa particular physicaldevice
will
depend
on
your drive configuration
as well as
the
location
of
the
boot-up device.
For
configurations (1) to (6), the device connected
toJl
will
always
be
assigned as drive 1 while the device
(if
any) connected
to
J2
will
be
assigned as drive 2.
For
configurations
(7)
to
(9), thedaisy-chain drive connectedtoJ1
will
be
assigned as drive 1 while the device connected to the back
of
the
daisy-chain drive
will
be
assigned as drive 2.
5
UDC
Card User's Guide
Configurations(10)
to
(13) require
the
UDC
card
to
be
installedinslot
5
in
order
to
workproperly.
If
itis installed
in
any
other
slot,
then
only
two
of
the
devices can
be
recognized
and
the
rest
will
be
ignored.Also
note
that
3.5" drives
must
comebefore5.25" drives
in
a chain
of
devices
connected
to
Jl.
For
configuration (10),
the
5.25" drive connected
to
J2
will always
be
assignedas slot 5, drive 2
and
cannot
be
used
as
the
boot-updevice.
On
the
other
hand,
both
the
3.5"
drive and 5.25" drive connected
to
J1
are
bootable.
The
boot-up device will always
be
assigned as slot5, drive 1
while
the
other
will
be
assigned as slot
2,
drive
1.
Configuration (11)
is
very similar
to
(10).
The
first two devices
in
the
chainwill
be
assignedas eitherslot5, drive1
or
slot2, drive1depending
on
which
one
is
used
as
the
boot-updevice.
The
lastdevice
in
the
chain
will always
be
assigned as slot 5, drive 2.
For
configuration (12),
the
second device
in
the
chain will always
be
assigned as slot 5, drive 2
and
is
not
bootable. Again, depending
on
which
one
is
used
as
the
boot-up device,
the
first
and
last device will
be
assigned as either slot 5, drive 1
or
slot 2, drive 1.
Finallyfor configuration(13),
the
four devicescan
be
classifiedintotwo
types:5.25" drive
and
3.5" drive. Withineachtype
of
device,
the
one
that
comesearlierin
the
chainwill
be
assignedas drive 1while
the
other
will
be
assigned as drive 2
and
is
not
bootable.
The
same
type
of
device will
always
be
assigned
to
the
sameslot (either2
or
5).
If
you
boot
from
the
first 3.5" drive in
the
chain,
then
the
3.5"
drives will
be
mapped
to slot
5 while
the
5.25" drives will
be
mapped
to
slot 2.
If
you
boot
from
the
first 5.25" drive in
the
chain, then the3.5" drives will
be
mapped
to
slot
2 while
the
5.25" drives will
be
mapped
to
slot 5.
IMPORTANT:
Although the electronics
of
the UDC card is de-
signed to supporl
up
tofour daisy-chain drives
at
connectorJl, such a configuration is
not
recom-
mended
becausesignaldegradation
and
electrical
noise pick-up along the connection cables will
affect reliability adversely.
As
a result, we suggest
you
to limit the length
of
the chain to
not
more
than two.
UDC
Card User's Guide 6
Nowyour
UDC
card
is
ready to work!
Turn
on
your computer. Insert
an
application program diskette with
ProDOS
(e.g.
the
Copy
II
Plus diskette included) into
the
appropriate
boot-up drive
and
close
the
drive door.
The
program will
be
loaded
into
memory
and
executed automatically.
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