SBC6120/FP6120 Buy 2013
From Spare Time Gizmos' Wiki
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* Looking thru my inventory after the recent SBC6120-RC buy, I see that I have thirty tested, known good, HD6120 CPU chips left on hand and that's left me pondering the question of "what would be a good use for them?" Given that the last group buy for the original was held three years ago, that seems like the obvious candidate. After calling my old suppliers and asking for quotes, I'm convinced that it's still possible to get all the parts necessary to build the original SBC6120/FP6120 combination, including the fancy paddle switches and custom faceplate. --[[User:Gizmos|Gizmos]] 11:24, 26 January 2013 (PST) | * Looking thru my inventory after the recent SBC6120-RC buy, I see that I have thirty tested, known good, HD6120 CPU chips left on hand and that's left me pondering the question of "what would be a good use for them?" Given that the last group buy for the original was held three years ago, that seems like the obvious candidate. After calling my old suppliers and asking for quotes, I'm convinced that it's still possible to get all the parts necessary to build the original SBC6120/FP6120 combination, including the fancy paddle switches and custom faceplate. --[[User:Gizmos|Gizmos]] 11:24, 26 January 2013 (PST) | ||
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== What is it ? == | == What is it ? == | ||
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The SBC6120 is a replica of a 1960s/70s vintage DEC PDP-8 computer. It uses the Harris HD6120 "PDP-8 on a chip" CPU and started off as a single board computer the size of a 5-1/4" hard disk (and hence the name, "SBC6120"). Everybody wanted a lights and switches front panel, and a couple of years later I designed the FP6120 ("Front Panel 6120") that you see in the photos. The SBC6120 is fully operational and functional without the front panel - this is handy when assembling the kit, because it's possible to assemble and test the SBC6120 before the front panel is finished. The reality is that no one ever wants one without the other, and so the SBC6120 and FP6120 are always sold together as a set. | The SBC6120 is a replica of a 1960s/70s vintage DEC PDP-8 computer. It uses the Harris HD6120 "PDP-8 on a chip" CPU and started off as a single board computer the size of a 5-1/4" hard disk (and hence the name, "SBC6120"). Everybody wanted a lights and switches front panel, and a couple of years later I designed the FP6120 ("Front Panel 6120") that you see in the photos. The SBC6120 is fully operational and functional without the front panel - this is handy when assembling the kit, because it's possible to assemble and test the SBC6120 before the front panel is finished. The reality is that no one ever wants one without the other, and so the SBC6120 and FP6120 are always sold together as a set. | ||
| - | The HD6120 CPU used in the SBC6120 is the same one used in Digital's DECmate "personal" computers and is fully software compatible with a PDP-8/E. The front panel is fully functional and has the same complement of lights and switches as a real PDP-8/E. It measures 15" by 8-1/2" and is about 3/4ths scale when compared to a real PDP-8. The SBC6120 will run most software written for a PDP-8, including DEC's OS/8 disk operating system. The SBC6120 has an IDE disk interface that can be used with a real drive or (more commonly these days) a CompactFlash card or SSD. | + | The HD6120 CPU used in the SBC6120 is the same one used in Digital's DECmate "personal" computers and is fully software compatible with a PDP-8/E. The front panel is fully functional and has the same complement of lights and switches as a real PDP-8/E. It measures 15" by 8-1/2" and is about 3/4ths scale when compared to a real PDP-8. The SBC6120 will run most software written for a PDP-8, including DEC's OS/8 disk operating system. The SBC6120 has an IDE disk interface that can be used with a real drive or (more commonly these days) a CompactFlash card or SSD. |
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== Why a Group Buy ? == | == Why a Group Buy ? == | ||
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* There are full manuals, including assembly instructions and parts lists for the SBC6120[http://www.sparetimegizmos.com/Downloads/SBC6120.pdf] and the FP6120[http://www.sparetimegizmos.com/Downloads/FP6120.pdf]. | * There are full manuals, including assembly instructions and parts lists for the SBC6120[http://www.sparetimegizmos.com/Downloads/SBC6120.pdf] and the FP6120[http://www.sparetimegizmos.com/Downloads/FP6120.pdf]. | ||
| - | Please don't email me directly for information about this order unless you have some deeply personal thing that you need to discuss. All other discussions about the SBC6120/FP6120 should be directed to the Spare Time Gizmos Yahoo! group so that we can all hear what's said and participate. If you haven't already joined this group then you should, and while you're there check out the group archives. There are lots of pictures and files related to past SBC6120 builds. | + | * Steve Gibson has some wonderful pages and videos [http://www.grc.com/pdp-8/pdp-8.htm] that explain both the original PDP-8 as well as the SBC6120 sy questions. |
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| + | * And lastly, Please don't email me directly for information about this order unless you have some deeply personal thing that you need to discuss. All other discussions about the SBC6120/FP6120 should be directed to the Spare Time Gizmos Yahoo! group so that we can all hear what's said and participate. If you haven't already joined this group then you should, and while you're there check out the group archives. There are lots of pictures and files related to past SBC6120 builds. | ||
Revision as of 16:34, 28 January 2013
Contents |
News, Updates and Status Reports
- Looking thru my inventory after the recent SBC6120-RC buy, I see that I have thirty tested, known good, HD6120 CPU chips left on hand and that's left me pondering the question of "what would be a good use for them?" Given that the last group buy for the original was held three years ago, that seems like the obvious candidate. After calling my old suppliers and asking for quotes, I'm convinced that it's still possible to get all the parts necessary to build the original SBC6120/FP6120 combination, including the fancy paddle switches and custom faceplate. --Gizmos 11:24, 26 January 2013 (PST)
What is it ?
The SBC6120 is a replica of a 1960s/70s vintage DEC PDP-8 computer. It uses the Harris HD6120 "PDP-8 on a chip" CPU and started off as a single board computer the size of a 5-1/4" hard disk (and hence the name, "SBC6120"). Everybody wanted a lights and switches front panel, and a couple of years later I designed the FP6120 ("Front Panel 6120") that you see in the photos. The SBC6120 is fully operational and functional without the front panel - this is handy when assembling the kit, because it's possible to assemble and test the SBC6120 before the front panel is finished. The reality is that no one ever wants one without the other, and so the SBC6120 and FP6120 are always sold together as a set.
The HD6120 CPU used in the SBC6120 is the same one used in Digital's DECmate "personal" computers and is fully software compatible with a PDP-8/E. The front panel is fully functional and has the same complement of lights and switches as a real PDP-8/E. It measures 15" by 8-1/2" and is about 3/4ths scale when compared to a real PDP-8. The SBC6120 will run most software written for a PDP-8, including DEC's OS/8 disk operating system. The SBC6120 has an IDE disk interface that can be used with a real drive or (more commonly these days) a CompactFlash card or SSD.
Why a Group Buy ?
What am I getting ?
Where can I get more information ?
- There are full manuals, including assembly instructions and parts lists for the SBC6120[3] and the FP6120[4].
- Steve Gibson has some wonderful pages and videos [5] that explain both the original PDP-8 as well as the SBC6120 sy questions.
- And lastly, Please don't email me directly for information about this order unless you have some deeply personal thing that you need to discuss. All other discussions about the SBC6120/FP6120 should be directed to the Spare Time Gizmos Yahoo! group so that we can all hear what's said and participate. If you haven't already joined this group then you should, and while you're there check out the group archives. There are lots of pictures and files related to past SBC6120 builds.
