This shows the top part of the XL1201 VMEbus backplane with the various connections.
Gray: SCSI Blue: ESDI? MFM? ST-506? Molex 4-pin drive power
The 2 black and 2 red are the main power supply. The other 4-pin power connector is... I don't know.
Here are the FEP files in the root directory on the clean Genera 8.3 disk from DKS
Booted from a clean drive from DKS, the XL1201 shows this herald
Here are the FEP files in the patches directory on the clean Genera 8.3 disk from DKS
Here are the FEP files in the tests directory on the clean Genera 8.3 disk from DKS
![](https://www.tumblr.com/widgets/share/tool?posttype=photo&canonicalUrl=https%3A%2F%2Fsymbolics.lisp.engineer%2Fkoken%2Ftags%2Fxl1201%2Fcontent%2Fxl1201-backplane-top%2F&content=https%3A%2F%2Fsymbolics.lisp.engineer%2Fkoken%2Fstorage%2Fcache%2Fimages%2F000%2F482%2FIMG-4087%2Flarge.1466749004.jpg&caption=%3Cp%3E%3Cstrong%3E%3Ca href="https%3A%2F%2Fsymbolics.lisp.engineer%2Fkoken%2Ftags%2Fxl1201%2Fcontent%2Fxl1201-backplane-top%2F" title="XL1201 Backplane - Top"%3EXL1201 Backplane - Top%3C/a%3E%3C/strong%3E%3C/p%3E%3Cp%3EThis+shows+the+top+part+of+the+XL1201+VMEbus+backplane+with+the+various+connections.%0A%0AGray%3A+SCSI%0ABlue%3A+ESDI%3F+MFM%3F+ST-506%3F%0AMolex+4-pin+drive+power%0A%0AThe+2+black+and+2+red+are+the+main+power+supply.+The+other+4-pin+power+connector+is...+I+don%27t+know.%3C/p%3E){kind=link}
![](https://www.tumblr.com/widgets/share/tool?posttype=photo&canonicalUrl=https%3A%2F%2Fsymbolics.lisp.engineer%2Fkoken%2Ftags%2Fxl1201%2Fcontent%2Fclean-genera%2F&content=https%3A%2F%2Fsymbolics.lisp.engineer%2Fkoken%2Fstorage%2Fcache%2Fimages%2F000%2F372%2FIMG-0767%2Flarge.1466745642.JPG&caption=%3Cp%3E%3Cstrong%3E%3Ca href="https%3A%2F%2Fsymbolics.lisp.engineer%2Fkoken%2Ftags%2Fxl1201%2Fcontent%2Fclean-genera%2F" title="Clean Genera FEP Files 1"%3EClean Genera FEP Files 1%3C/a%3E%3C/strong%3E%3C/p%3E%3Cp%3EHere+are+the+FEP+files+in+the+root+directory+on+the+clean+Genera+8.3+disk+from+DKS%3C/p%3E){kind=link}
![](https://www.tumblr.com/widgets/share/tool?posttype=photo&canonicalUrl=https%3A%2F%2Fsymbolics.lisp.engineer%2Fkoken%2Ftags%2Fxl1201%2Fcontent%2Fclean-genera-83-distribution-site%2F&content=https%3A%2F%2Fsymbolics.lisp.engineer%2Fkoken%2Fstorage%2Fcache%2Fimages%2F000%2F373%2FIMG-0766%2Flarge.1466745644.JPG&caption=%3Cp%3E%3Cstrong%3E%3Ca href="https%3A%2F%2Fsymbolics.lisp.engineer%2Fkoken%2Ftags%2Fxl1201%2Fcontent%2Fclean-genera-83-distribution-site%2F" title="Clean Genera 8.3 Distribution Site"%3EClean Genera 8.3 Distribution Site%3C/a%3E%3C/strong%3E%3C/p%3E%3Cp%3EBooted+from+a+clean+drive+from+DKS%2C+the+XL1201+shows+this+herald%3C/p%3E){kind=link}
![](https://www.tumblr.com/widgets/share/tool?posttype=photo&canonicalUrl=https%3A%2F%2Fsymbolics.lisp.engineer%2Fkoken%2Ftags%2Fxl1201%2Fcontent%2Fclean-genera-1%2F&content=https%3A%2F%2Fsymbolics.lisp.engineer%2Fkoken%2Fstorage%2Fcache%2Fimages%2F000%2F371%2FIMG-0768%2Flarge.1466745640.JPG&caption=%3Cp%3E%3Cstrong%3E%3Ca href="https%3A%2F%2Fsymbolics.lisp.engineer%2Fkoken%2Ftags%2Fxl1201%2Fcontent%2Fclean-genera-1%2F" title="Clean Genera FEP Files 2"%3EClean Genera FEP Files 2%3C/a%3E%3C/strong%3E%3C/p%3E%3Cp%3EHere+are+the+FEP+files+in+the+patches+directory+on+the+clean+Genera+8.3+disk+from+DKS%3C/p%3E){kind=link}
![](https://www.tumblr.com/widgets/share/tool?posttype=photo&canonicalUrl=https%3A%2F%2Fsymbolics.lisp.engineer%2Fkoken%2Ftags%2Fxl1201%2Fcontent%2Fclean-genera-fep-files-3%2F&content=https%3A%2F%2Fsymbolics.lisp.engineer%2Fkoken%2Fstorage%2Fcache%2Fimages%2F000%2F370%2FIMG-0769%2Flarge.1466745637.JPG&caption=%3Cp%3E%3Cstrong%3E%3Ca href="https%3A%2F%2Fsymbolics.lisp.engineer%2Fkoken%2Ftags%2Fxl1201%2Fcontent%2Fclean-genera-fep-files-3%2F" title="Clean Genera FEP Files 3"%3EClean Genera FEP Files 3%3C/a%3E%3C/strong%3E%3C/p%3E%3Cp%3EHere+are+the+FEP+files+in+the+tests+directory+on+the+clean+Genera+8.3+disk+from+DKS%3C/p%3E){kind=link}