SBC6120-RC User Manual

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[[File:Jim Loos SBC6120-RC Front.JPG|thumb||||300px|||Jim Loos' SBC6120-RC (Front)]]
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[[File:Jim Loos SBC6120-RC Back.JPG|thumb||||300px|||Jim Loos' SBC6120-RC (Rear)]]
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[[File:RC2 (Back).jpg|thumb||||300px|||SBC6120-RC with VT6 installed]]
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The SBC6120-RC ("''Reduced Cost''") is a simplified version of the combined [http://www.sparetimegizmos.com/Hardware/SBC6120-2.htm SBC6120 PDP-8/E replica] and the [http://www.sparetimegizmos.com/Hardware/SBC6120_Front_Panel.htm FP6120 front panel] .  The -RC model reduces the total part count of the SBC6120/FP6120 combination, eliminates some of the parts which had become difficult to find, uses a simplified front panel construction with commonly available switches, and is both significantly cheaper and easier to assemble than the original SBC6120/FP6120.  The -RC version has a functionally identical front panel to the FP6120, uses the same firmware (and indeed the same EPROMs) as the SBC6120, is still able to run OS/8 and any other software that would have run on the SBC6120.  The -RC also has a dedicated spot for attaching a [http://www.sparetimegizmos.com/Hardware/VT.htm VT6 terminal] board which allows it to connect directly to a VGA monitor and PS/2 keyboard.
The SBC6120-RC ("''Reduced Cost''") is a simplified version of the combined [http://www.sparetimegizmos.com/Hardware/SBC6120-2.htm SBC6120 PDP-8/E replica] and the [http://www.sparetimegizmos.com/Hardware/SBC6120_Front_Panel.htm FP6120 front panel] .  The -RC model reduces the total part count of the SBC6120/FP6120 combination, eliminates some of the parts which had become difficult to find, uses a simplified front panel construction with commonly available switches, and is both significantly cheaper and easier to assemble than the original SBC6120/FP6120.  The -RC version has a functionally identical front panel to the FP6120, uses the same firmware (and indeed the same EPROMs) as the SBC6120, is still able to run OS/8 and any other software that would have run on the SBC6120.  The -RC also has a dedicated spot for attaching a [http://www.sparetimegizmos.com/Hardware/VT.htm VT6 terminal] board which allows it to connect directly to a VGA monitor and PS/2 keyboard.
There are already extensive PDF manuals online for the original SBC6120 and FP6120 front panel and much of the -RC functions, including the operation of the front panel and the built firmware reference, will be the same.  This collection of wiki pages documents the aspects of the -RC which are unique to that model.  It is Spare Time Gizmos first foray into user supplied community documentation, and it will be what you make it.  Although I have a soft spot for the PDP-8 and sympathy for those who do too, the SBC6120, especially a reduced cost version, doesn't pay the bills and I simply do not have the time to provide the documentation that it deserves.
There are already extensive PDF manuals online for the original SBC6120 and FP6120 front panel and much of the -RC functions, including the operation of the front panel and the built firmware reference, will be the same.  This collection of wiki pages documents the aspects of the -RC which are unique to that model.  It is Spare Time Gizmos first foray into user supplied community documentation, and it will be what you make it.  Although I have a soft spot for the PDP-8 and sympathy for those who do too, the SBC6120, especially a reduced cost version, doesn't pay the bills and I simply do not have the time to provide the documentation that it deserves.
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== Contents ==
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* [[Overview]]
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* [[Assembling with or without the VT6]]
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* [[Assembling the PC Board]]
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* [[Assembling the Faceplate]]
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* [[Attaching the Decal]]
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* [[Final Assembly and Checkout]]
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* [[Troubleshooting Techniques]]
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* [[Using the Front Panel]]
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* [[Hardware Description]]
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* [[Firmware Description]]
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* [[Detailed Parts List]]
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* [[Drawings, Schematics and Firmware]]
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* [[FAQ]]

Latest revision as of 15:32, 29 April 2013

Jim Loos' SBC6120-RC (Front)
Jim Loos' SBC6120-RC (Rear)
SBC6120-RC with VT6 installed

The SBC6120-RC ("Reduced Cost") is a simplified version of the combined SBC6120 PDP-8/E replica and the FP6120 front panel . The -RC model reduces the total part count of the SBC6120/FP6120 combination, eliminates some of the parts which had become difficult to find, uses a simplified front panel construction with commonly available switches, and is both significantly cheaper and easier to assemble than the original SBC6120/FP6120. The -RC version has a functionally identical front panel to the FP6120, uses the same firmware (and indeed the same EPROMs) as the SBC6120, is still able to run OS/8 and any other software that would have run on the SBC6120. The -RC also has a dedicated spot for attaching a VT6 terminal board which allows it to connect directly to a VGA monitor and PS/2 keyboard.

There are already extensive PDF manuals online for the original SBC6120 and FP6120 front panel and much of the -RC functions, including the operation of the front panel and the built firmware reference, will be the same. This collection of wiki pages documents the aspects of the -RC which are unique to that model. It is Spare Time Gizmos first foray into user supplied community documentation, and it will be what you make it. Although I have a soft spot for the PDP-8 and sympathy for those who do too, the SBC6120, especially a reduced cost version, doesn't pay the bills and I simply do not have the time to provide the documentation that it deserves.


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