Summary of Contents for Shift838 838-IO PLUS
- Page 1 Note: shown with optional 838-32K-SC memory expansion module http://shift838.99er.net...
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Page 2: Table Of Contents
T able of Contents Description ....................1 Installation ....................1 Wiring Diagram ................... 3 Testing ......................6 Support ....................... 7 http://shift838.99er.net... -
Page 3: Description
8 3 8 - D E S I G N S Description Congratulations on your purchase of the new 838-IO Plus peripheral expansion card. This card is a direct replacement for the Flex Cable Interface for the TI-99/4 and TI-99/4A home computers. - Page 4 Once powered up the LED will turn off and only engage when the 32k is being used. Note: The 838-32k-SC module is powered by the 838-IO Plus and not the console. To use this module inside the 838-IO Plus SC the PEB must be powered on.
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Page 5: Wiring Diagram
Using the recommended 50 pair twisted pair double shielded cable allows for only one side of the grounds to have to be connected because along with the shield ground wire connected to the metal housing then all become grounded since the 838-IO Plus boards DB37 mounting poins are also grounded in the circuit. - Page 6 4 WE Orange Orange - Black Stripe 5 CRUCLK Yellow Yellow - Black Stripe 6 DBIN White - Yellow Stripe White - Green Stripe 7 INTA Light Blue 22 A13 Light Blue - Black Stripe 8 CLKOUT Gray Gray - Black Stripe 9 A00 Brown Brown - White Stripe...
- Page 7 21 A12 Green - Black Stripe 23 D7 White - Red Stripe White - Blue Stripe 24 D6 Gray - Blue Stripe 25 D5 Gray - Red Stripe 26 D4 Gray - Yellow Stripe 27 D3 Gray - Green Stripe 28 D2 Yellow - Green Stripe 29 D1...
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Page 8: Testing
Testing You can access the PEB interface and other cards within the PEB as you would with a standard Flex Cable Interface card. In Extended Basic typing SIZE and press enter will show you the amount of memory available for base and expanded. Accessing storage devices such as floppy disk, hard disk and ram disk all work as you are used to. -
Page 9: Support
To verify access to other PEB cards then use the standard commands from TI Basic/Extended Basic/Editor Assembler or other utilities to access your systems expansion cards. Support For all support related questions please send an email to shift838sup@gmail.com SHIFT838 Website http:/shift838.99er.net SHIFT838 Store: shift838.fwscart.com...
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