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====== Video Data Systems 840AE ======
 
The 840AE was an updated variant of the CG840, offering upgraded page memory and a PS/2 keyboard connector instead of AT. Because Keywest Technology continued selling the 840AE after purchasing Video Data Systems, it could sometimes be seen bearing Keywest Technology branding.


===== Documents =====

[[https://files.keywesttechnology.com/support/websupport/Archived%20Manuals/Discontinued%20Product%20Documentation/CGs/800%20Series/840AE.pdf|Manual]]\\
[[https://files.keywesttechnology.com/support/websupport/Archived%20Manuals/Discontinued%20Product%20Documentation/CGs/800%20Series/800%20Series%20Programmers%20Reference.pdf|800 Series Programmer's Reference Manual]]\\
[[https://files.keywesttechnology.com/support/websupport/Archived%20Manuals/Discontinued%20Product%20Documentation/CGs/800%20Series/800%20Series%20Key%20Mappings.txt|800 Series Key Mappings]]


===== Keyboard =====

As stated above, the 840AE used a PS/2 keyboard. The original keyboard was a standard 101-key IBM-style keyboard that had custom key markings on certain keys for various functions. To facilitate using a regular PS/2 PC keyboard, the mappings for these keys may be found [[https://files.keywesttechnology.com/support/websupport/Archived%20Manuals/Discontinued%20Product%20Documentation/CGs/800%20Series/800%20Series%20Key%20Mappings.txt|here]].