Powercolor Hd 4870 Driver For Mac


Find great deals on eBay for AMD Radeon HD 5770 for Mac Pro. Shop with confidence. Hi, I have MSI ATI HD 4870 1GB, first I have downloaded the last Catalyst, and in this package a new driver exist for my card (ID:1002 DEV:9440) but the catalyst dont work! Fulfillment by Amazon (FBA) is a service we offer sellers that lets them store their products in Amazon's fulfillment centers, and we directly pack, ship, and provide customer service for these products. Save radeon hd 4870 drivers to get e-mail alerts and updates on your eBay Feed. ATI Radeon HD 4870 Graphics Card 512MB GDDR5 PowerColor. Pre-Owned AMD ATI Radeon HD 4870 512MB. NEW Apple Mac Pro ATI Radeon HD 4870 1GB Video Graphics Card *Faster than 2600XT See more like this.

I figured it'd be helpful to start a new thread that includes not instructions, but just a list of Radeon 4870 cards that can be flashed to work in Mac Pros. I'll update the list as more news comes in. Note that using PC cards requires the use of a special cord that uses a smaller PCIe six-pin connector found only in G5s and Mac Pros.

You can cut the cable, buy the correct plug, and make your own cable, but I won't go into that here. If you want to buy the cable and live in the US, AMD sells them at this link: ATI Reference 4870 (512 MB) Sapphire 1st Gen 4870 (512 MB) (102-B50701-10-AT) Sapphire HD4870 512M GDDR5 PCI-E DUAL DVI-I/TVO PN 288-XXXXX-XXXXX SKU# 11133-03-20R At Newegg: HIS Radeon HD 4870 512MB GDDR5 HIS S/N: H081230050 PN: H487F512P UPC is 740 At tiger direct: More on this as it develops, but it appears that these cards work with the Mac EFI ROM without modification.

The majority of cards will not and require modification using the process as follows. Onto modification of PC 4870 cards to work properly in a Mac Pro: (by pipomolo42) This will necessitate a PC to extract the card's ROM. You will also need the Mac 4870 ROM posted in the now lengthy thread about this.

Powercolor Hd 4870 Drivers For Mac Pro Ati

Get the 128k vgabios of your PC card. (pc4870.rom) Get the Mac 4870 ROM, and get the fixrom.py script pipomolo42 prepared for us. Run the following commands in a shell. Code: dd if=4870.ROM of=efi.part bs=1 skip=63488 count=49152 blocknum=`printf%d ' `dd if=pc4870.rom bs=1 skip=2 count=1 2>/dev/null `'` size=$(($blocknum * 512)) dd if=efi.part of=pc4870.rom bs=$size seek=1 conv=notrunc python fixrom.py pc4870.rom pc4870.romAccording to pipomolo42, these commands will extract the EFI part of the Mac ROM, get the number of 512 byte blocks of the BIOS part of the PC ROM, convert that to a size in bytes, then add the EFI part right after the BIOS, then fixes the last ROM indicators and checksums. Flash the ROM.

A huge thank-you goes out to netkas, The Rominator, and pipomolo42 for coming up with these and figuring out the process. Some other things to keep in mind: You will need the Apple specific PCIe cables to drive this card, which can be purchased from ATI's site (U.S.). Some PC 4870s require 8-pin PCIe taps.

Is it possible to use a PCIe 6-pin splitter (if so, which should be used?) to drive the 4870 on its own from one of the motherboard sockets, as long as it splits out to the specific cables? Apple's 4870 drivers are in a beta state right now (or at least incomplete). This might explain the disappointing performance of the 4870 relative to the 8800 GT in the Nehalem benchmarks posted by Barefeats.

Of note, the 4870 still seems to perform better in Harpertown Mac Pros. Photoshop 7 free download for mac. 10.5.7 should resolve the situation.

And it appears to be close to release. For some reason, it looks like one of the DVI ports is not dual-link - single link only. Could be a dealbreaker if you're dying to run two 30' monitors. The 1 GB cards work.

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The 4870x2, as of now, does not. It requires more elaborate ROM wrangling that has not yet been figured out. Analog output apparently is not working from these cards. Shouldn't be an issue unless you're dying to use a CRT or a VGA cable. Netkas has graciously put a walkthrough up here: Any clarifications or updates will be edited in here. One other note of interest: eBay user Bruinmacs, who is known for selling working flashed PC cards, has put a 4870 up for sale. Unfortunately, it's pricey ($335+shipping).

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His items can be found here. I know this thread is called 'Working' cards, but I thought I'd post here my non-working cards. The sapphire card I bought looked like a reference design, but it did NOT work. It had a blue PCB though. ROM info showed the part # of the board being completely different than the reference 4870's.

This entry was posted on 11.01.2019.