@willumn - Will you are a champion ! Can you help me to understand if I can do the same ? I have a Mid 2007 7,1 24” and would like to go past ElCapitan. I love this iMac although I have a newer one and it would be nice to get some newer OS on it. I found the guides to upgrade the 20” but nothing about 24”. I bought a used T9500 which “should” be good, of course I have no mean to test it. I have 4Gb RAM, 500GB SD, the graphic card is the Radeon Pro HD2600. I have NO IDEA how to check EFI.
Can you confirm it is the same setup ? And which instructions did you use to take it apart ? I took once off the screen to change the HD, but that is about it…
Any other tips or advise ? (from anybody out there) Is there a way to check if e.g. the EFI is the same ? (assuming it plays a role of course)
anyhow well done ! and Happy new year !
Angelo
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=== Update (12/29/2021) ===
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Will thanks this is extremely useful. I used the OS patch on a mini so I know that part better. Your suggestions about how to document it properly are extremely useful. I think that most important I need a place where to play with it over a couple of days without losing bits so at home over dinner table is not an option but I have a ‘den’ where I can organize this after holidays.
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ssd is already in. I am only curious about the ram i thought it supports only 4GB ? Or is it like other macs who support more ? I should have one or two 4GB modules to test..
@willumn - Will you are a champion ! Can you help me to understand if I can do the same ? I have a Mid 2007 7,1 24” and would like to go past ElCapitan. I love this iMac although I have a newer one and it would be nice to get some newer OS on it. I found the guides to upgrade the 20” but nothing about 24”. I bought a used T9500 which “should” be good, of course I have no mean to test it. I have 4Gb RAM, 500GB SD, the graphic card is the Radeon Pro HD2600. I have NO IDEA how to check EFI.
Can you confirm it is the same setup ? And which instructions did you use to take it apart ? I took once off the screen to change the HD, but that is about it…
Any other tips or advise ? (from anybody out there) Is there a way to check if e.g. the EFI is the same ? (assuming it plays a role of course)
anyhow well done ! and Happy new year !
Angelo
+
+
=== Update (12/29/2021) ===
+
+
Will thanks this is extremely useful. I used the OS patch on a mini so I know that part better. Your suggestions about how to document it properly are extremely useful. I think that most important I need a place where to play with it over a couple of days without losing bits so at home over dinner table is not an option but I have a ‘den’ where I can organize this after holidays.
+
+
ssd is already in. I am only curious about the ram i thought it supports only 4GB ? Or is it like other macs who support more ? I should have one or two 4GB modules to test..
Will you are a champion ! Can you help me to understand if I can do the same ? I have a Mid 2007 7,1 24” and would like to go past ElCapitan. I love this iMac although I have a newer one and it would be nice to get some newer OS on it. I found the guides to upgrade the 20” but nothing about 24”. I bought a used T9500 which “should” be good, of course I have no mean to test it. I have 4Gb RAM, 500GB SD, the graphic card is the Radeon Pro HD2600. I have NO IDEA how to check EFI.
+
@willumn - Will you are a champion ! Can you help me to understand if I can do the same ? I have a Mid 2007 7,1 24” and would like to go past ElCapitan. I love this iMac although I have a newer one and it would be nice to get some newer OS on it. I found the guides to upgrade the 20” but nothing about 24”. I bought a used T9500 which “should” be good, of course I have no mean to test it. I have 4Gb RAM, 500GB SD, the graphic card is the Radeon Pro HD2600. I have NO IDEA how to check EFI.
Can you confirm it is the same setup ? And which instructions did you use to take it apart ? I took once off the screen to change the HD, but that is about it…
Any other tips or advise ? (from anybody out there) Is there a way to check if e.g. the EFI is the same ? (assuming it plays a role of course)
Will you are a champion ! Can you help me to understand if I can do the same ? I have a Mid 2007 7,1 24” and would like to go past ElCapitan. I love this iMac although I have a newer one and it would be nice to get some newer OS on it. I found the guides to upgrade the 20” but nothing about 24”. I bought a used T9500 which “should” be good, of course I have no mean to test it. I have 4Gb RAM, 500GB SD, the graphic card is the Radeon Pro HD2600. I have NO IDEA how to check EFI.
Can you confirm it is the same setup ? And which instructions did you use to take it apart ? I took once off the screen to change the HD, but that is about it…
Any other tips or advise ? (from anybody out there) Is there a way to check if e.g. the EFI is the same ? (assuming it plays a role of course)
anyhow well done ! and Happy new year !
Angelo