Latest Products
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Custom Slate Coaster
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RFID Metal Tactical Wallet
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838-IDE V3
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838-IO Plus
$80.00
838-IO Plus
838-IO Plus
$80.00
This unit replaces the original Texas Instruments Flex Cable Interface card.
Pictured with option 32k memory module (NOT INCLUDED)
This replacement removes the firehose type cable and elephant foot connector that plugs into the 99/4A console side port with a vertical standing interface utilizing a DB37 twisted paired cable that plugs in from the back to reduce desk real estate.
Allows for expansion within the side port connector with an optional 32k expansion card to free up an extra slot on the PEB. Additional expansion cards are currently in design mode.
The 838-IO Plus board is being offered in 3 different packages:
Demonstration Video: https://youtu.be/g6bb5DK2shI
Another video from a fellow TI enthusiast of the delivered card:
SHIFT838 Peripheral Expansion Interface (For the TI-99/4A) - YouTube
838-IO Plus Manual: http://www.shift838.com/support/838-IOP_manual.pdf
All cards will be built and tested before being shipped on the below TI-99/4A test system:
I have verified cables will work with 3, 4, 4.5 and 5 foot lengths in a twisted pair configuration.
Cabled used: 50 conductor, twisted pair, dual shielding. I use the below link to the cable i purchase to make these:
28 Gauge 25 Pair Double Shield SCSI Cable - IEC
You can order the cable from IEC, you will need to call them at 1-303-288-5000
The part numbers for the cables are:
User Manual with Wiring Diagram:
http://www.shift838.com/support/838-IOP_manual.pdf
Standard off the shelf molded DB37 cables will not work!
If you want to print your own 3D case the two that have been designed are in the linked file below at http://www.shift838.com/downloads/838IOPCASES.zip
Pictured with option 32k memory module (NOT INCLUDED)
This replacement removes the firehose type cable and elephant foot connector that plugs into the 99/4A console side port with a vertical standing interface utilizing a DB37 twisted paired cable that plugs in from the back to reduce desk real estate.
Allows for expansion within the side port connector with an optional 32k expansion card to free up an extra slot on the PEB. Additional expansion cards are currently in design mode.
The 838-IO Plus board is being offered in 3 different packages:
- Bare Boards only (you source the parts)
- DIY KIT (Bare Boards components - you build it)
- Assembled/Tested - assembled and tested before being shipped
Demonstration Video: https://youtu.be/g6bb5DK2shI
Another video from a fellow TI enthusiast of the delivered card:
SHIFT838 Peripheral Expansion Interface (For the TI-99/4A) - YouTube
838-IO Plus Manual: http://www.shift838.com/support/838-IOP_manual.pdf
All cards will be built and tested before being shipped on the below TI-99/4A test system:
- TI-99/4A
- 32K CARD
- FDC
- TIPI
- 838-Speech
- 3D cases are not included but can be added to order. Please allow an extra day to print
- Cable NOT included, must be ordered from (iec.net) as I no longer make the cable. These can be ordered in 3, 4 and 5 foot lengths. You can call them to order at (303)288-5000 and give them one of the below part numbers below:
- L1177-03 (3 FOOT)
- L1177-04 (4 FOOT)
- L1177-05 (5 FOOT)
- 32K expansion module NOT included must be added as option.
I have verified cables will work with 3, 4, 4.5 and 5 foot lengths in a twisted pair configuration.
Cabled used: 50 conductor, twisted pair, dual shielding. I use the below link to the cable i purchase to make these:
28 Gauge 25 Pair Double Shield SCSI Cable - IEC
You can order the cable from IEC, you will need to call them at 1-303-288-5000
The part numbers for the cables are:
- L1177-03 (3 Foot Cable)
- L1177-04 (4 Foot Cable)
- L1177-05 (5 Foot Cable)
User Manual with Wiring Diagram:
http://www.shift838.com/support/838-IOP_manual.pdf
Standard off the shelf molded DB37 cables will not work!
If you want to print your own 3D case the two that have been designed are in the linked file below at http://www.shift838.com/downloads/838IOPCASES.zip
- Availability: Out of Stock
- Model: 838-IOP-BLUE
- Brand: 838 Designs