Re: Repopulating SATA ports -- HP 800 G2 SFF.

Hello again -- update on my HP 800 G2 SFF. I never got the new SATA ports working, as piernov pointed out it requires more than a bios update.

It does look like I did however cause some corrosion on the motherboard, and a while ago what looked like a SMD capacitor blew up near the SATA ports. I replaced it with one of the same size (no idea what the value is supposed to be) and it worked again, at least for a while.

Now the computer won't start, emitting HP's 3 short 4 long beep code -- apparently this means...

Flakey Toshiba Satellite Pro L500; motherboard LA-4982P rev 1.0, schematic is here ([url]https://www.badcaps.net/forum/attachment.php?attachmentid=130757&d=1459525787[/url]).

Don't have the right adapter, assume injecting 19V from an HP one is okay?
When I do so, DCin LED (green) lights up; if battery is connected, charging LED (amber) also lights up -- so far so good.

When power button is pressed, power LED (green) briefly lights up and fan starts to spin (for less than 1 second), then immediately shuts down/resets with power LED off again.
...

Re: Repopulating SATA ports -- HP 800 G2 SFF.

Thanks again -- checked the MD5 fingerprint of the latest TWR and SFF BIOS update files from HP and they are the same, so presumably identical (indeed, HP refers to the BIOS update as "TWR/SFF").

I am unfamiliar with feature byte, guessing the BIOS updater reads this from the motherboard before flashing? In that case, would appreciate being pointed to any known work-arounds.

I also searched for high resolution photos of the SATA ports on the TWR motherboard in order to look for any different SMD components,...

Re: Repopulating SATA ports -- HP 800 G2 SFF.

Thanks -- I agree, whether or not the pad is populated shouldn't change what the bios recognises, but when I checked the HP site the TWR bios update had the same file name as the SFF, so I thought something else might be going on. I will try the TWR bios and see.

Hi All,

I have a HP Elitedesk 800 G2 Small Form Factor (SFF). Apparently it is the same motherboard as the Tower (TWR) version, and their BIOSes looks to be identical. The TWR supports up to 5 SATA connections, the SFF only 3 -- and indeed there are 2 unpopulated SATA port pads on my SFF motherboard. I'd like to get these working.

I removed two SATA port connectors from a scrap board and soldered them to the empty pads on my motherboard (once again, dicky96's YouTubes were very helpful, thanks). It went pretty well, connections look good, however the BIOS still only...

So, I found a Nvidia GT320 1GB DDR3 card on the side of the road, and now I'm in this forum.

Cleaned it up -- the heatsink was completely full of gunk so there is a chance it has overheated and the GPU is fried. Obviously it's worth very little, but I have a project with no onboard video so this little card would be useful.

Have tried it in two different motherboards, same behaviour: fan spins but the card is undetected. No obviously burned out components or damage.

Following dicky96's youtube videos -- many thanks -- I've checked the resistances and...

Re: GPU Repair Guide - GPU Not Detected

Thanks for the informative video -- led me to this forum too.

Re: New Members - please post your introductions here

Howdy All, trying to learn more electronics, thanks for a great forum.