I have a MacPro 2009 flashed to 5.2 with original GPU (ATI Radeon HD 4870 512MB). The Xeon machines are the ones I'm trying to resurrect.I have tried booting to a Mtn Lion flash drive, but there is an over-reaching issue with the graphics card it just will not post video at all when I power.Hi everyone. Of the three I picked up, one turned out to be a dual-processor G5 machine, and the other two are dual-processor Xeon machines. You can run multiple 4K displays from this cardI recently came across what seemed like a good deal on a handful of 2008-era Mac Pro desktop machines. Here for sale is an AMD Radeon RX580 8GB VRAM Graphics Video Card For Apple Mac Pro 4K 2009-2012 flashed with the latest firmware and is compatible in all models of Mac Pro from 2009-2012 (models 4,1 & 5,1) Detailed spec for the card can be found below but i will say that this has a Dual Link DVI, Dual HDMI and Dual Display Port outputs.I bought a couple of new hard drives and a couple of new (MSI F5450 MDIGH) video cards, installed one of each into each of the two Xeon machines, and pressed the button.Both machines turn on and the power lights are on steady. Requires a 6-pin and 8-pin power connector.None of the machines had hard drives or video cards. Metal Compatible and works with the boot screen. Asus DirectCUII 2GB Video Card, works in 4,1/5,1 Mac Pro. - No 3D softwareNvidia GTX 680 Apple Mac Pro Flashed Video Card Mojave Catalina. I would like upgrade this and this will be my uses: - 95 Adobe Creative Suite 2018 (Photoshop, Illustrator and InDesign) - 5 edit video with Final Cut Pro X (only 1080p).I immediately got the "The disk you inserted is not readable." dialog on the MBP and used Disk Utility to format it. Is it because there's no drivers on the brand-new hard drive?For what it's worth, I opened up the case and started each machine, and I see no LED indicator lights anywhere inside (I think there are supposed to be some, but I don't know where).Today, I connected my MBP to one of the machines via Firewire and started the Pro in Target Disk Mode. I don't understand why I'm not getting any video (and no video is making it hard to troubleshoot anything else).An LED will light up on the memory riser card next to the affected DIMM or empty DIMM slot.3 Flashes: A RAM bank failed extended memory testing. Or, the quick memory test failed. If the test detects a problem, the status LED located above the power button on the front of the computer will flash in the following ways*:1 Flash: No RAM is installed or detected. Unplugged everything and restarted.still nothing.Andrew Taylor, here are a couple things that may help to further trouble shoot:"Power-On Self Test: RAM and Processor VerificationA power-on self test in the computer’s ROM automatically runs whenever the computer is started up after being fully shut down (the test does not run if the computer is only restarted).
Flashed Video Cards Pro Mac Pro DesktopThe LEDs are located on the logic board between the two DIMM riser card connectors. This is normal behavior.The Mac Pro (Early 2008) logic board includes a set of LEDs to help service providers troubleshoot the computer. The memory riser card diagnostic LEDs will also flash briefly when the computer is started up or shut down and when it goes in and out of sleep mode. Do not count this light as one of the diagnostic flashes. Swap affected DIMM with known good DIMM.*Note: The status LED lights up when the power button is depressed at startup. Check memory installation instructions for proper installation order. They do not depend on the DIAG_LED button being pressed.Related symptoms include no video or the computer is hung up. These LEDs come on if an error occurs or if the BootROM is corrupted. To press the DIAG_LED button, use the nylon probe tool (Apple part number 922-5065).Normally on when DIAG_LED button is pressed.If LED 2 is not on, the symptom would be that the computer won’t power on.Check AC cord is connected to a working AC wall outlet.Check connections of power supply cables to the logic board.Check power supply cable connections at power supply.Normally off. To read LEDs 1, 2, 7, 8, and 9, you must press the DIAG_LED button, which is adjacent to the LEDs. Check fan operation.Unplug the AC cord and remove the battery for 10 seconds. Overheated memory could be a possible cause for this CPU error LED to come on. If this causes the LED to go off, repopulate the DIMMs and/or PCI Express cards to find the combination that caused the LED to come on. Restart the computer.Reset the power supply by unplugging the AC cord for 10 seconds.Unplug AC cord and remove any added DIMMs and PCI Express cards. If this clears the CPU Error LED, check for incompatible device driver software that may have been installed for added hardware.If the Error LED is still on, power down the computer and try resetting the SMC. If either LED is solidly on, it may indicate a chronic processor over-temperature condition. If either LED is flashing, it may indicate an initial processor over-temperature condition. They do not depend on the DIAG_LED button being pressed.These two LEDs can operate in two different modes they will either flash or stay on. These LEDs come on if an error occurs. If the CPU Error LED follows the CPU, replace that CPU.Normally off. Reinstall the battery and restart the computer.Try swapping CPU A and CPU B locations. ![]() ![]() Each of the LEDs will light if it detects an issue with the corresponding installed DIMM. Takes approximately 5 seconds after power up.If this LED is on, it indicates that the computer has completed the on board Extensible Firmware Interface (EFI) operations and the operating system is now in control.Both of the memory riser cards include diagnostic LEDs for each DIMM. Metal screws or PCI card slot cover loose inside computer touching the logic board.Normally on when DIAG_LED button is pressed. Note: This cable supplies power to the PCI slots.)If this LED is on, it indicates the power supply is functioning.Check that the power cables to the logic board are properly attached.Check the cable connections at the power supply.Check for any signs of an obvious electrical short, e.g. Try the graphics card in a different PCI slot.If an error message about graphic card booster power connection is displayed, check that the appropriate booster power cable is firmly connected between the logic board and the graphics card. Replace the logic board in this case.Reseat the appropriate DIMM corresponding to the failure LED. If the failure LED remains associated with the same memory riser card slot, consider a possible connection issue with the logic board. If the symptoms follow the riser card, continue with the next step. If the failure LED persists, continue with the next step.Swap upper and lower memory riser cards A and B. See “ Mac Pro Firmware Updates” in this section for more information.Reseat the memory riser card associated with the failure LED. This is normal behavior.Verify EFI and SMC firmware versions and update them if necessary. Excel for mac issues forecasting trendlinesIf so, replace DIMM with known good DIMM.
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