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Title: GPU help! Post by: Kansattica on August 16, 2011, 07:01:03 PM I'm using an iMac with a 128 MB ATI Radeon GPU. I use Boot Camp to run Cgminer. The problem is that the cgminer doesn't seem to recognize that the GPU is there. Help, please!
Title: Re: GPU help! Post by: jh1523 on August 16, 2011, 07:14:40 PM Which exact Radeon model is it? 128MB sounds like something pretty old. If it's not one of the HD4xxx, 5xxx or 6xxx generation you won't be able to use it. If it is one of the generations above, you will need recent drivers and the AMD APP SDK 2.1 or newer to be installed.
Title: Re: GPU help! Post by: Kansattica on August 16, 2011, 07:39:06 PM I got the computer new in 2007, so It's pretty old, so I doubt it's one of the models you mentioned. How much would it be to buy one of the models listed? Would I be able to install it in my computer?
Title: Re: GPU help! Post by: jh1523 on August 16, 2011, 07:45:16 PM Well, good luck finding a decent mining card these days at a decent price, they have been all bought up by the new miners so there's a shortage of them. Unless you're willing to pay more than they're worth. besides I'm no expert regarding compatibility with your mac, or even if your model is upgradable at all.
Title: Re: GPU help! Post by: Kansattica on August 16, 2011, 08:23:51 PM Thanks for the help. :D
Title: Re: GPU help! Post by: Roach III on August 16, 2011, 10:35:34 PM I doubt the PSU on an iMac would support a Radeon HD 6990.
Title: Re: GPU help! Post by: Kansattica on August 16, 2011, 11:02:02 PM That, and it's hard to upgrade anything other than the RAM on a mac.
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