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3 posts

Wannabe Geek

Topic # 25306 18-Aug-2008 11:46
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I have a GA-MA78GM-S2H motherboard and have no problems connecting to my late model Philips LCD TV via HDMI.

I also have a HD3450 graphics card
that has DVI, S-Video & VGA output which I'd hoped to add to the system to take advantage of hybrid crossfire mode in Vista.

I find if I install the card with latest drivers, the Catalyst Control Centre will only recognise the TV as a standard analogue when connected using the onboard HDMI port. (I haven't tried output to TV from the card ports as I don't have the cables and presumably it means a separate audio cable is required also)

Can the onboard HDMI port be used when a discrete graphics card is installed?
If so, how can I get CCC to recognise the LCD TV correctly when connected via the onboard HDMI port?

NB, I dual boot XP and Vista and have had no success with either OS. Any help would be appreciated.

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Uber Geek
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  Reply # 158694 21-Aug-2008 14:42
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have you tried pluging the TV into the add on card (Via DVI-> HDMI adaptor if it doesn't do HDMI)

HTPC: Intel i3-2100 / 12GB RAM / AMD HD7750 / 480 GB SSD / 58TB Storage / MediaPortal / MadVR / Win10
AVR: Pioneer Elite SC-LX87 220W 9.2 Ch AVR
Speakers: Wharfedale Jade 7 Fronts / Jade 2c Center / Jade 5 Rears
Subs: iNuke 3000dsp 3000W proamp with 4x 15" JBL Sealed Subs
Display: Samsung 60" UA60H6400 LCD TV
Accessories: Gefen HDMI Detective with splitter

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Wannabe Geek

  Reply # 158737 21-Aug-2008 16:41
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Thanks Kiwi, I haven't tried an adapter as I assume I'll need to run a sound cable also which seemed unnecessarily messy.

I thought the hybrid crossfire would be a good way of boosting an already pretty reasonable IGP board but there is virutally no info around re setup and what there is suggests it isn't especially simple or successful.

I think I may just put my $ towards a more upmarket discrete card instead of pursuing the hybrid crossfire.

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Microsoft NZ

  Reply # 158744 21-Aug-2008 16:56
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I have a GA-MA78GM-S2H motherboard ..
I also have a HD3450 graphics card..
Can the onboard HDMI port be used when a discrete graphics card is installed?
ATI Hybrid Graphics Technology support
Experience the advanced ATI Hybrid Graphics Technology, which is including ATI Hybrid CrossFireX™, ATI SurroundView™, and ATI PowerPlay™. With combination of onboard GPU and a single VGA card’s GPU*, ATI Hybrid CrossFireX™ can bring remarkable display performance on AMD platform, and also further to increase your overall system value. ATI SurroundView™ allows 4 or more monitors support at once and also ATI PowerPlay™ enables power saving profiles to help reduce power consumption and further resulting in reduced system temperatures and fan noise.
* Please use ATI Hybrid CrossFireX certified VGA card (i.e., ATI Radeon HD 2400, 3400 series).
** ATI Hybrid CrossFireX current only supports Windows Vista.

it would seem that you should be able to use them together based on that

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Microsoft NZ
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Wannabe Geek

  Reply # 158756 21-Aug-2008 17:35
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Yes, it seems it should work. Most of the threads I've come across seem to point to problems with the catalyst drivers and/or earlier BIOS versions. However I ended up with a dead board trying to flash using @Bios supplied on the Gbyte driver disc so I'm not in a hurry to try on the replacement.

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