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PINOUTS.TXT
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2006-10-19
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ORIGINALLY PUBLISHED IN LIMA NEWSLETTER JUNE 1989
Pin diagrams
By: Andy Frueh Lima, Ohio UG
I guess this article falls under the subject of "useless technical
information unless you are going to mess with your computers guts" (Whew!)
These are pin diagrams I found. All I copied down was the diagrams. I don't
know where I got these from, but for the sake of common-interest, here they
are. There is NO guarantee on any of these diagrams! I accept no
responsibility for the consequences in using these to modify a console, or
whaterver else you do with these!
PIN ASSIGNMENTS FOR SERIAL/PARALLEL CABLES
If you bought a printer cable not made
the TI, here is a guide to help you make
sure the pin assignments are right.
Serial Parallel
////////////// //////////////
TI Printer TI Printer
1-9 1-9 1 1
10 11 2 2
16 16 3 3
P-Box 17 5 5
grnd 6 6
7 7
8 8
20 11
CASSETTE/JOYSTICK PIN ASSIGNMENTS
These run left-right with 1 thru 5 on the top and 6 thru 9 on the bottom.
Cassette Joystick
/////////////////////////////////// /////////////////////////////
1-CS1 motor + 6-CS2 motor + 1-Not used 6-Not used
2-CS1 motor - 7-CS2 motor - 2-Joystick 2 7-Joystick 1
3-Ground 8-Audio In 3-Up 8-Down
4-Not used 9-Audio Ground 4-Fire 9-Right
5-Record Out 5-Left
POWER CABLE/DIN PLUG PIN ASSIGMENTS
These two are a pair that usually don't get modified, but here they are.
Power DIN (Video)
//////////// (1) o o (2) | /////////////
1-Not used (3) o o (4) | 1-12 Volt + ^ (Notch) 2-8
2-8 Volt AC | 2-Video Out (5)o o(1)
3-16 Volt AC | 3-Shield
4-Ground | 4-Ground (4)o o(2)
| 5-Sound Out
(3)o
I/O GROM PORT (MODULE SLOT)
The following are supplied by TI.
1-reset 7-d5 13-d2 19-+5 volt 25-dbin/mi 31-grom ready
2-grnd 8-a15 14-a11 20-a8 26-a6 32-we
3-d7 9-d4 15-d1 21-GROM sel 27-GROM clk 33-GROM ground
4-cru clk 10-a13 16-a10 22-a7 28-a5 34-ROM ground
5-d6 11-d3 17-d0 23-a13/mo 29--5 volt 35-ground
6-cru in 12-a12 18-a9 24-a3 30-a4 36-ground
I/O PERIPHERAL PORT (P-Box)
These are also from TI.
1-+5 volt 9-dbin 17-a7 25-ground 33-cru in 41-hold/iaq
2-spch sel 10-a3 18-a9 26-we 34-d7 42-d3
3-reset 11-a12 19-a15 27-ground 35-d4 43--5 volt
4-ext int 12-ready 20-a2 28-mbe 36-d6 44-speech
5-a5 13-load 21-ground 29-a6 37-d0
6-a10 14-a8 22-cru clk 30-a1 38-d5
7-a4 15-a13 23-ground 31-a0 39-d2
8-a11 16-a14 24-0 3 32-memen 40-d1
If you decide to use these for whatever, let me know what you come up
with! I hope I helped someone out in someway. Maybe these could help to
create new hard/soft ware, although I think these are probably published in
many technical books. Oh well! Happy probing!
**DONE**