RACORE COMPUTERS DRIVE TWO PLUS 1500 User manual

Racore Companions™ Drive Two
Plus (Model 1500/1501) Installation
Instructions
If your IBM PCjr has not been set up at this time, do so before
installing this
product.
This carton contains the following:
• Top Assembly with Diskette Drive
and Power Supply.
• Side Board Assembly.
• Transformer with power cords.
• Racore Diskette Drive Signal Cable.
• Racore Software Diskette and
Documentation.
If Model 1501 • DMA floppy Controller Board and Cable.
If any item is missing or damaged, notify place of purchase.
IBM, IBM PC, and IBM PCjr are regIstered trademarks of
International Business Machine Corporation
Hacore and Hacore CompanIOns are trademarks of
Racore Computer Products, Inc.
e 1985 Racore Computer Products, Inc.
Racore Computer
Products, Inc.
Corporate OffIce
170 Knowles Dr.
Los Gatos CA 95030

Federal Communications
Commission Radio :Frequency
Interference Statement
Warning: This equipment has been certified to comply
with the limits for a Class B computing device,
pursuant to Subpart J of Part IS of FCC Rules. Only
peripherals (computer input/ output devices,
terminals, printers, etc.) certified
to comply with Class
B limits
may be attached to this device. Operation
with non-certified peripherals is likely to result in
interference
to radio and TV reception.
Instruction to User
This equipment generates and uses radio frequency
energy.
If not installed and used properly in strict
accordance with the operating instructions, it may
cause interference to radio and television reception. It
has been tested and complies with the limits for a
Class B
computing device, pursuant to Subpart J of
Part IS of FCC Rules to provide reasonable
protection against such interference when operating in
a residential installation.
If this equipment does cause interference to radio or
television reception, which can be determined by
turning the equipment off and on, the user is
encouraged to try to correct the interference by taking
one or more of the following measures:
• Reorient the receiving antenna.
• Relocate the equipment with respect to the
receiver.
• Move the equipment away from the receiver.
Drive Two Plus I

• Plug the equipment into a different outlet so thl~
equipment and receiver are on diffe~rent branch circuits.
• Ensure that side assembly mounting screws and all
cables
are tightly secured. Do Not Overtighten.
• It is necessary to use shielded, grounded cables with all
peripherals.
Make sure your Non-Racore peripheral
equipment has grounded cables.
If necessary, consult your dealer service representative for
additional suggestions.
The manufacturer is not responsible for any radio or TV
interference caused by unauthorized modifications to this
equipment. It is the responsibility of the user to correct such
interference.
Caution
This product is equiped with a UL listed and CSA-certified
plug
for user safety. It is 1:0 be used in conjunction with a
properly grounded, 115 V AC receptacle to avoid electrical
shock.
Caution
This system may be damaged by attaching or detaching boards
or peripherals from the system with the :power on.
Drive Two Plu~ 2

Racore Drive Two Plus
Software Diskette Directory
The Racore Software directory provided in this pack-
age contains 13 files. They are:
•
VERSION X.X
•
JRDMAON2.EXE
•
SETDCLK2.EXE
•
POWDCLK2.EXE
•
PCVIDMA2.COM
•
MDSKDMA2.SYS
•
SPEEDMA2.COM
•
JRVIDMA2.SYS
•
PARK.EXE
• A
UTOEXEC. BAT
•
READ.ME
This is a complete listing of all Racore software supp-
lies for ALL systems.
The File: PARK.EXE is not intended for use on the
Racore Drive Two Plus
Technical Support
Racore Technical Services personnel are available to
assist with difficulties that may arise during installa-
tion of your system.
In
order for us to handk your call in a prompt and
efficient manner. we request that you make the fol-
lowing
preparations BEFORE you make your call;
I. Carefully read your instruction manual.
2. Have your system S(:t up in front of you.
3. Have your system serial f:t and instruction manual
ready.
4. You will need the original DOS and Racore
Disks as well as
sewral blank Disks.
5. Please have your questions ready or written
down.
Technical Services personnel
are available from 8:30
a.m. to 4:30 p.m. Mountain Standard Time. Monday
through Friday.
Drive Two
Plus 3

Installation of Racore I)rive
Two Plus
The following HS a step by step set of instructions for
installation of the Racore Drivle Two Plus.
Note:
• If you purchase the Racore
Memory Expansion Option, you
should complete the Memory
Expansion Installation before you
start this installation.
• If you have additional peripheral
equipment that attach to the side bus
on your PCjr, you may have to alter
address locations, please consult the
address considerations chapter of
these instructions.
1 Turn your IBM PCjr's power off.
2 Turn all external option power off (printer,
TV, etc.).
3 Unplug the power cordis for the IBM PCjr and
all options from the wall outlets.
Drive Two Plus 4

4 Turn your IBM PCjr so the rear is toward you.
Caution
Serious shock hazards exist within the cover of
the IBM PCjr. Do not open the cover unless
you have unplugged your
IBM PCjr's power
cord from the wall outlet.
Warning
After turning your IBM PCjr off, allow 5
minutes for cooling to take place before
removing
the cover.
5 Insert a flat-blade screwdriver into the slots
between
the top cover and case. Gently twist to
lift cover.
6 Remove the top cover by lifting it up and away
from the front of the IBM PCjr.
If you purchased the Drive Two Plus with
DMA* Option installed (Model 1501) then
proceed directly to step 21 on Page 12.
/~
/
/' .
---------------.------
*DMA is an acronym for Direct Memory Access.
See: "Products for your PCjr." section in rear
of manual for details.
Drive
TWI} Plus 5

Installation of Racore Drive
Two Plus (model 1500)
'7
Disconnect and remove the IBM PCjr diskette
drive signal cable
from the diskette drive and
the diskette drive adapter.
Diskette-Drive
Adapter
8 Connect the Racore diskette drive signal cable
to the diskette drive. Be sure to align the guide
correctly.
Racore Dis'i(ette-IDrive
~ Signal Cable
Drive nvo Plus 6

9 Plug the Racore diskette drive signal cable
into the connector on the diskette drive
adapter. Be sure to align the pins and holes
10
Drive Two Plus 7
correctly.
Place the Racore Drive Two Plus Top Assem-
bly on the IBM PCjr. Pass the 2 remaining
ends of the Racme diskette drive signal cable
through the hole behind the diskette drive of
the Top Assembly. Slide the Top Assembly
forward. Press down on the rear of the Top
Assembly until it snaps into place.
-----
-_-I

11 Plug th<: Racore diskette drive signal cable to
the diskette drive in thl! Racore Top
Assembly. Be sure to align the guide
correctly.
Dllkette
Drive
12 Turn your IBM PCjr so the right side is
toward you. Remove the option attachment
cover.
Note:
• It may be necessary to gently pry the
cover off by inserting a screwdriver
between the
option attachment cover
and the side of your IBM PCjr.
Cover Drive Two Plus 8

13 Position the Racore Side Assembly so the
mounting holes and attachment slot line up
with the mounting pins and attachment
connector. Press the Racore Side Assembly
into place. Be careful not to bend or break
the pins on the PCjr I/O connector. Do
Not Force The Side Assembly Into Place.
Connectclr
14 Install and tighten the four mounting screws
until
they are snug but do not overtighten
screws.
Note:
Use a medium flat-blade
screwdriver.
15 Replace the option attachment cover. Make
sure it is pressed firmly into the mounting
holes.
=
Option
Attachment
Drive Two Plus 9

16 Plug the diskette drive signal cable into the
connector on the Racore Side Assembly. Be
sure to align the pins and holes correctly.
Plug the Side Assembly power cable into the
connector on the Racore Side Assembly. Be
sure to align the pins and holes correctly. The
connector should snap into place.
.......:l\-ol-;;:;.,;~::--.....,f-fj'--- Power Cable
Drive Two Plus 10

18 Replace the top cover by placing it on the
Racore Top Assembly. Slide it forward until
the top cover and front of the Racore Top
Assembly fit together. Press down on the
rear of the top of cover until it snaps into
place.
19 Remove the shipping protector from the
diskette drive.
20 Plug the IBM PCjr and the Racore
Drive Two Plus power cords into wall
outlets.
Drive Two Plus 11
Both black transformers must be plugged
into the new system.
Your Drive Two Plus (Model 1500)
installation is now c:ompiete.

Installation of Racore Drive
Two Plus with DMA Option
(Model 1501)
21 Disconnect and remove the IBM Diskette
Drive Signal Cable from the IBM PCjr
diskette drive. It is not necessary to disconnect
the signal cable from the
IBM PCjr Diskette
Drive Adapter for removal.
Diskette-Drive
System Connector
IBM Diskette Drive
System Slot
22 Remove the IBM PCjr Diskette Drive Adap-
ter
and attached IBM Diskette Drive Signal Cable
from your PCjr by gently lifting up the
Diske:tte Drive Adapter card. Replace with
the Racore DMA Floppy Disk Adapter pro-
vided with your
DMA Option Package. Install
in the: slot closest to the IBM Diskette Drive.
Diskette-Drive
System Connector
IBM Diskette Drive
Drive Two Plus 12

23 Your R:acore DMA Option contains two
cables; the Racore
DMA Diskette Drive Signal
cable and the Racore DMA 10 Conductor
Signal cable.
(These Gables
may already be connected to the
Racore Diskette Drive Adapter.)
Diskette Drive Signal Cable
Connect to Drive II Plus
Diskette Drive
Conne'ct to IBM PCjr
Diskelte Drive
10 Conductor Signal Cable
24 Plug the Racore Diskette Drive Signal Cable
into the IBM PCjr Diskette Drive.
Drive Two Plus 13
Diskette Drive Signal Cable
Racore DMA Floppy
Disk Adapter

25 Plug the Racore Diskette Drive Signal Cable into the
longer of the two connectors on the Racore
DMA Floppy Disk Adapter. Plug one end of
the Racore DMA 110 Conductor Signal Cable
into the shorter connector on the Racore DMA
Floppy Disk Adapter. It does not matter
which end of the 10 Conductor Cable is
plugged into the adapter. Be sure, however, to
align the pins and holes correctly.
Racore DMA Diskette
Drive S gnal Cable
Racore
DMA 10 Conduclor
Signal Ca ble
26 Before placing the Racore Drive Two Plus Top
Assembly on the IBM PCjr, be sure that the 10
Conductor Cable is routed around the DMA
Floppy Disk Adapter to avoid being pierced
by the underside of the Top Assembly as illus-
trated below.
10 Conductor Cable
10 Condu,ctor Cable
Drive Two PhllS 14

Drive Two Plus 15
27
28
Place the Racore Drive Two Plus Top Assem-
bly on the IBM PCjr. Pass the 2 remaining free
ends
of the Racore signal cables through the
hole behind the diskette drive
of the Top
Assembly. Slide the Top Assembly forward.
Press down on the rear of the Top Assembly
until it snaps into place.
Plug the Racore DMA diskette signal cable
on to the diskette drive in the Racore Top
Assembly. Be sure to align the guide
correcltly.
l- Disktllt Drivt
Signal Cable
Power Cable

29 Remove: attachment cover.
Position the Racore Side Ass,embly so
the mounting holes and attachment slot line up
with the: mounting pins and attachment con-
nector. Press the Racore Side Assembly into
place. Be careful not to bend or break the pins
on the PC]r I/O Connector, Do Not Force
The Side Assembly Into Place.
30 Secure the four mounting scr'ews until they are
S:1Ug but DO NOT OVERTIGHTEN
SCREWS.
Note: Use a medium sized nat-blade
screwdriver.
31 R~place the option attachment cover. Make
sure it
is pressed firmly into the mounting
holes.
Drive Two Plus 16

32 Plug the side assembly power cable and the 10
conductor signal cable connectors on the
R.acore Side Assembly. Be sure to align the
pins and the holes correctly. The power cable
should snap into place
33 Replace the top cover by placing it on the
Drive Two Plus
17
Racore Top Assembly. Slide it forward until the top
cover and front of the Racore Top Assembly fit
together. Press
down on the rear of the top cover until
It snaps Into place.
Refer back
to Steps 19 & 20 on Page 11.
Your Drive
Two Plus with DMA Option
(Model 150l) installation is now complete.

Instructions
Racore Software Installation
Making Backup Copy of Racore Software Diskette *.
1 Flip the toggle switch on the back of the Side Assembly
to PCjr Mode (outward).
2 Insert your Disk Operating System (DOS) working
diskette into Drive A. (Bottom Drive)
3 Turn your PCjr on.
• You will see something similar to this on your
screen:
Current date is 1-01-1980
Enter new date:
4 Press ENTER Key twice
• You will see this on your screen:
5 Type DISKCOPY A: B: Press ENTER.
• You will see this on your screen:
Insert source diskette in drive A:
Insert target diskette in drive B:
Strike any key when ready
6 Remove your DOS working diskette from diskette
drive A.
7 Insert the Racore Software Diskette in drive A.
·Warning: Improper insertion of the diskette into the diskeu,e
drive could cause damage to the heads. This type of damage is not
covered under the Racore warranty.
Drive Two Plus 18

8 Properly insert a blank diskette in drive B. (Top Drive)
9 Press any key
• When the backup copy is complete, you will see
this on your screen:
COP.!' complete
Copy another (Y/ N)?
10 Remove your Racore Software Diskette from drive A.
11 Insert your DOS working diskette in drive A.
12 Type N.
• You will see this on your screen:
A>
13 Verify that you have Racore copy in Drive B
and DOS copy in Drive A, then proceed to step 14
Take Racore Master Software Diskette And Put It Away For
Safe Keeping. Always Use The Backup Copy.
Drive Two Plus 19