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 81 
 on: November 30, 2019, 04:54:59 PM 
Started by Rominator - Last post by NOTNlCE
Check here. Boot screens have been achieved with aftermarket PC cards for iMacs. https://forums.macrumors.com/threads/2011-imac-graphics-card-upgrade.1596614/

 82 
 on: November 30, 2019, 02:40:19 PM 
Started by MacEFIRom - Last post by GuilleCSGO
Hi all,

I have developed a workaround to avoid error 5530. Take a seat!

STEP 1 - Download EFI updates from Apple


STEP 2 - Remame downloaded .dmg

  • Efi update 1.1: iMacFirmwareUpdate.dmg -> rename to -> iMacEFIiMac41.dmg
  • Efi update 1.2: iMacFirmwareUpdate1.2.dmg -> rename to -> iMacEFIiMac51.dmg

STEP 3 - Run iMac41-iMac51 Firmware Tool

  • Run it as usual. It will report error 5530 as before and it will create on desktop a RamDisk volume. DO NOT EXPULSE IT!

STEP 4 - Copy files to RamDisk

  • Select "iMac41-iMac51 Firmware Tool.app", right click and then click on "Show packet content"
  • Copy the following files to "/Volumes/RamDisk": ExtractAndPatchEFIFiles.sh, iMac41EFIUpdater.patch, iMac51EFIUpdater.patch and UpdateEFIiMac41-iMac51.sh.
  • Copy also the two downloaded .dmg from Apple: iMacEFIiMac41.dmg and iMacEFIiMac51.dmg

STEP 5 - Lets do the Magic

  • Open a terminal and drag and drop on it the ExtractAndPatchEFIFiles.sh script. Then run it and wait until everything finish
  • Open a terminal, type sudo and then drag and drop the UpdateEFIiMac41-iMac51.sh script: sudo /Volumes/Ramdisk/UpdateEFIiMac41-iMac51.sh. Then run it and wait until everything finishes (at the end it should report that return code is 0, which means that everything worked correctly).

STEP 6 - Reboot

  • Shutdown the iMac
  • Turn it on and keep pressed power button until the iMac light ENDS blinking
  • You will hear a BEEP sound
  • The iMac will start the EFI update (a progress bar should be displayed)
  • Wait the EFI update to complete and….. Voila!

I was too sad when after upgrading the CPU of my old early 2006 iMac I saw the error 5530 when trying to upgrade the EFI in order to achieve 4GB of RAM that I said "You MUST find the solution!". So this is it! I relly hope this guide can help all of you guys to upgrade your iMacs!!




 83 
 on: November 17, 2019, 12:06:16 PM 
Started by Rominator - Last post by woo2k3
Hey Lou,

thanks I saw this post before, unedited but this is for MAC PROs I have an iMac i can't fit a regular PCIe card in there Wink

Cheers

 84 
 on: November 17, 2019, 02:54:00 AM 
Started by Rominator - Last post by lowrider
^^^^Check out my reply to your other post.

Lou

 85 
 on: November 17, 2019, 02:52:35 AM 
Started by Rominator - Last post by lowrider
^^^^Look Here:

https://forums.macrumors.com/threads/gpu-compatibility-list-for-cmp.2174600/

Lou

 86 
 on: November 17, 2019, 12:27:10 AM 
Started by Rominator - Last post by woo2k3
Hi guys,

I am stuck here with a iMac mid 2010, and am looking for the right upgrade of graphics card, I believe thats what keeps me from updating, right ?

Hardware Overview:

  Model Name:   iMac
  Model Identifier:   iMac11,3
  Processor Name:   Intel Core i7
  Processor Speed:   2,93 GHz
  Number of Processors:   1
  Total Number of Cores:   4
  L2 Cache (per Core):   256 KB
  L3 Cache:   8 MB
  Memory:   16 GB
  Boot ROM Version:   99.0.0.0.0
  SMC Version (system):   1.59f2
  Serial Number (system):   WXYZR
  Hardware UUID:   09ABECBF-1B6A-5368-8A0B-3AE913916D27

ATI Radeon HD 5750:

  Chipset Model:   ATI Radeon HD 5750
  Type:   GPU
  Bus:   PCIe
  PCIe Lane Width:   x16
  VRAM (Dynamic, Max):   1024 MB
  Vendor:   AMD (0x1002)
  Device ID:   0x68a1
  Revision ID:   0x0000
  ROM Revision:   113-B9710C-238
  VBIOS Version:   113-B97101-102
  EFI Driver Version:   01.00.417
  Displays:
iMac:
  Display Type:   LCD
  Resolution:   2560 x 1440 (QHD/WQHD - Wide Quad High Definition)
  UI Looks like:   2560 x 1440
  Framebuffer Depth:   24-Bit Color (ARGB8888)
  Main Display:   Yes
  Mirror:   Off
  Online:   Yes
  Rotation:   Supported
  Automatically Adjust Brightness:   No
  Connection Type:   DisplayPort

 87 
 on: November 17, 2019, 12:23:40 AM 
Started by Rominator - Last post by woo2k3
Hi guys,

trying to revive the topic here.

Any Idea which card is compatible with a mid 2010 imac and supports metal?

Cheers

 88 
 on: November 16, 2019, 01:10:13 AM 
Started by blacksheep - Last post by zyyads
The 2 roms you posted are based upon different roms.

They are both from xfx double dissipation blacks , try to make the efi.rom based upon your own videocards rom.
I made the rom based upon the second posted rom 280x_dd black.rom



Mine XFX R9 280X is 256KB rom. How I can flash mine?

 89 
 on: November 15, 2019, 03:19:40 PM 
Started by MacEFIRom - Last post by Alux
Hi Wurlitzer1,

You are not alone. I encountered the same problem yesterday.
The program starts and then it seems to try to download files.
I too get the error 5530. I' ve found a solution so far and therefore would really appreciate to get some hints to solve this issue.
I succeeded to install Windows 10 (!!)   on my old early 2006 imac and it seems to run without any flaws so far. But a bit slow due to the low 2GB RAM. I guess with 3 or 4 GB it would be much faster.
Best regards,
Alex

 90 
 on: November 01, 2019, 02:34:31 AM 
Started by MacEFIRom - Last post by Wurlitzer1
Hi, i upgraded my imac 4.1 processor with the following processor.

Hardware Overview:

  Model Name:   iMac
  Model Identifier:   iMac4,1
  Processor Name:   Intel Core 2 Duo
  Processor Speed:   2.33 GHz
  Number Of Processors:   1
  Total Number Of Cores:   2
  L2 Cache:   4 MB
  Memory:   2 GB
  Bus Speed:   667 MHz
  Boot ROM Version:   IM41.0055.B08
  SMC Version (system):   1.1f5
  Serial Number (system):   W86064DSU2N
  Hardware UUID:   00000000-0000-1000-8000-0016CB8BB585

Now i'm unable to upgrade the firmware from 4,1 to 5,1
After the creation of the of the RamDisk, I get the following message:

The program has encountered an error:
5530

then it quits

I tried resetting the Pram
I tried repairing permissions
but still encounter this error.

I read all the posts and some had encountered error 5570
but nothing about error 5530.
help please.



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