osxy Posted July 5, 2011 Share Posted July 5, 2011 I'm currently working on my G5 mod and ran into another problem I want to reuse the original sata power cable however there only seem to be 4 cables on the G5 sata power while a normal have 5 so I don't know which cable should connect to which cable on the ATX PSU and which cable I'm supposed to skip. I soldered at needle to my multimeter tip and made the measurements myself. So for anyone who might need I decided to put the "pinout" here. I'm calling the cable closest to sata power pin 1 for #1 and going up to right. # Color code Description #1 Black GND for sata power pin 4, 5, 6 #2 Red +5VDC #3 Black GND sata power pin 10, 11 ,12 #4 Yellow +12VDC It's the orange +3.3VDC that's "missing". I hope this is helpful for someone. The orange lead isn't used for harddrives, only for hotswapping according to my info. Link to comment Share on other sites More sharing options...
NurkJon Posted July 5, 2011 Share Posted July 5, 2011 No it's not for hotswapping but they are optional; as old molex to sata adapters don't supply 3,3v it's rearly used if ever. Link to comment Share on other sites More sharing options...
osxy Posted July 6, 2011 Share Posted July 6, 2011 It isn't used and that's what counts for him But I stand corrected. Link to comment Share on other sites More sharing options...
gurki Posted July 7, 2011 Share Posted July 7, 2011 I'm also working on my G5 Mod. Unfortunately the superdrive in the G5 doesn't have sata. What's the better option? Get an adapter IDE=>Sata or a new drive? I'm looking for best compatibility, I don't really care about speed or something there Link to comment Share on other sites More sharing options...
neil43 Posted July 14, 2011 Share Posted July 14, 2011 I'm also working on my G5 Mod. Unfortunately the superdrive in the G5 doesn't have sata. What's the better option? Get an adapter IDE=>Sata or a new drive? I'm looking for best compatibility, I don't really care about speed or something there Check to see if the "old" IDE reads Dual Layer DVDs. Working with some of these older machines such as the G4 Cube that I found it a real annoyance to work around not having the DL read capability. neil Link to comment Share on other sites More sharing options...
merouby Posted October 10, 2011 Share Posted October 10, 2011 Hi everyone, Here's a few photo of my G5 mod. What do you think? Actually that's a Mac Pro case....so technically it's your Mac Pro mod! Link to comment Share on other sites More sharing options...
The Edge3000 Posted October 15, 2011 Share Posted October 15, 2011 Here's my build- Tried something different with the PSU. As far as I know, no one has done it like this. No destruction of the PSU, and it's mounted firmly by the friction of the stock case for the PowerMac PSU. Link to comment Share on other sites More sharing options...
Technochicken Posted October 15, 2011 Share Posted October 15, 2011 Here's my build- Tried something different with the PSU. As far as I know, no one has done it like this. No destruction of the PSU, and it's mounted firmly by the friction of the stock case for the PowerMac PSU. I did something very similar in mine, but I mounted the PSU a bit closer to the back of the case to leave room for the original fans. Also, I used an aluminum bracket with a thumbscrew and a magnet on the bottom to hold the PSU in place. With the rest of the hardware: I left the stock PSU casing in there so that the original G5 CPU cover can still fit on. There are pictures of it like that a page or two back. Link to comment Share on other sites More sharing options...
BluesBoy Posted October 22, 2011 Share Posted October 22, 2011 Greetings All, lots of great info in this thread. I am currently gutting the G5 for an i7 PC build. As of now, I have removed everything except the logic board - I have removed all the screws, but the thing is not moving at all (I even cut myself twice in the process). The G5 is a dual 1.8, late 2004. When I try to move the board to a side, it gets stuck on the large standoffs, and when I try to lift it, it gets stuck on the small round pin standoffs. I tried removing the round pins, but they are not going anywhere. Any suggestions how to proceed? Thank you. Link to comment Share on other sites More sharing options...
Kalms Posted November 20, 2011 Share Posted November 20, 2011 Greetings All,lots of great info in this thread. I am currently gutting the G5 for an i7 PC build. As of now, I have removed everything except the logic board - I have removed all the screws, but the thing is not moving at all (I even cut myself twice in the process). The G5 is a dual 1.8, late 2004. When I try to move the board to a side, it gets stuck on the large standoffs, and when I try to lift it, it gets stuck on the small round pin standoffs. I tried removing the round pins, but they are not going anywhere. Any suggestions how to proceed? Thank you. Remember to remove the screws/inserts for the processor cooling ribs Link to comment Share on other sites More sharing options...
Linux_Inside V2 Posted November 28, 2011 Share Posted November 28, 2011 I've done some wiring for mine now, for the HDD and Optical Bay I've soldered some molex sockets on to the wiring harness down near the PSU, so that I can use the original connectors and keep the tidy look of the G5. For the Optical bay, I've added a SATA power plug to the existing wiring, this allows me to plug in the burner without an adapter, and leaves a free molex for fans or whatever To achieve this I used a punch-down sata power connector. just put the wires in the plug and snap it shut, it cuts into the cable to make the connections. easy! you can buy them here for instance: http://www.ebay.com.au/itm/2X-SATA-Punch-Down-Power-Plug-ATX-PSU-Hard-Drive-/160580402839?pt=LH_DefaultDomain_0&hash=item2563567e97#ht_2579wt_1221 Got some Left angle and right angle SATA cables coming in to match the stock ones but longer, still need to mount the mainboard and psu Link to comment Share on other sites More sharing options...
Linux_Inside V2 Posted December 5, 2011 Share Posted December 5, 2011 Anyone else modified their PowerMac G5 psu to take an ATX power supplys innards? I'd like to put an ATX supply in the casing I've got, just wondering if the fans for the G5 psu will be sufficient at 5 or 7 volts, at 12 they're way too noisy. Link to comment Share on other sites More sharing options...
cnote Posted January 12, 2012 Share Posted January 12, 2012 I'm in the early stages of converting a G5 case to accept an atx mb. I'm planning to mount the mb to a 1/4" thick sheet of plastic. Should I have any concerns with static elect if the mounting pins are not touching (grounded) to the case? Advise is appreciated! Link to comment Share on other sites More sharing options...
nickjf20 Posted January 16, 2012 Share Posted January 16, 2012 Plastic + Heat = slight shifts that may cause drooping over a long period of time. If you have to use a 'non-standard' mounting material, use cardboard or something. I'll post my Lian Li mod in a few days, then update when I have fitted the front fan array Link to comment Share on other sites More sharing options...
sharky311 Posted January 27, 2012 Share Posted January 27, 2012 I've begun this project as well but plan on making no cuts to the exterior of the case. I can have some pictures up in the next few days. I have two more things left to do: find somewhere to mount th HDD cage and modify th original fan to work with the new PSU. Link to comment Share on other sites More sharing options...
iuvavum Posted March 12, 2012 Share Posted March 12, 2012 Hey dudes I also started my own G5 Mod project and now i have a big problem… I have no idea how to fix the motherboard backpanel plate into the g5 case... as you can see on the picture below it fits great into the g5 case but i don't know how to fix it don't want to screw it into the case because i don't want to ruin my side cover. Hopefully anybody has an idea for me. And sorry for my bad english ^^ i need more practice Link to comment Share on other sites More sharing options...
Effendi Posted March 27, 2012 Share Posted March 27, 2012 Industrial glue? Link to comment Share on other sites More sharing options...
Lagerfeuer Posted March 28, 2012 Share Posted March 28, 2012 Hello G5 Modding-Folks! I have a question that is rather important for me, as I'm planning to mod a G5 myself soon. It's about the cable management inside a G5 with the use of a motherboard tray (in my case a Silverstone-TJ07-tray). Is the space that is created by the original G5 standoffs (I want to use them to secure the tray in place) enough to rout all the cables under it (PSU-cables in addition to the SATA-cables)??? I don't have access to a standard ATX PSU and thus can't test the thickness of the cables... However I have already seen Mods that use this kind of cable management but I don't know if they might have used additional spacing to accommodate their cable management. Any help would be greatly appreciated. Greetings. Link to comment Share on other sites More sharing options...
nickjf20 Posted April 7, 2012 Share Posted April 7, 2012 The space is adequate, but a lot of trays have a lip around the edges that'll prevent you from getting the wires behind (and then back out of) the tray in the first place. Link to comment Share on other sites More sharing options...
Morph_nz Posted April 19, 2012 Share Posted April 19, 2012 Here is my setup I finnished a while back. Thought id put it up here too. Cable management was an "ill finnish that bit later" but still havnt. Build log over here; http://www.gpforums.co.nz/thread/422113/1/ Link to comment Share on other sites More sharing options...
kevinodonnell Posted December 10, 2012 Share Posted December 10, 2012 Its interesting to see how people have been going about the back plate without making any cuts. Im planning on using a mini ATX board and making a new back I/O and soldering cables off that to plug straight into the motherboard. Link to comment Share on other sites More sharing options...
Mr. Xtreme Posted October 24, 2014 Share Posted October 24, 2014 (edited) I'm going to mod some G5 cases-A Powermac G5 late 2005 for my dad, and a earleir G5 case for myself (Or a iMac G3/eMac) i think i'll enter it in the macmod contest when they set it up again it's going to be a gaming machine . Edited October 28, 2014 by Hacker Pro Link to comment Share on other sites More sharing options...
Niko-Studio Posted November 6, 2014 Share Posted November 6, 2014 I said earlier I would use a G5 mobo part with the connectors in order not to cut in the case. It's a mix of different peoples methods. For now, Audio (both) and USB (both) are working. The part itself fit perfectly, not a mm too much or too little. Planning to do Firewire 400 and Ethernet aswell, but I couldn't find the pinout between the connector and the motherboard. Ethernet is 8 pins, and there are 10 on the motherboard (G5s). Besides my multimeter didn't get any conductivity between any of them. Anyhow. I'm most satisfied with the beginning Thank you amd_sony for the cut and fast shipping USB and Audio are soldered.. Ugly solder, the small iron didn't warm enough, and the large was large. Ready with USB header on one, and mini jack on the others. (keeping mobo audio header for other use) Had to break the old ports in order to make the mobo border flush. Good riddance. The standoffs are the ones from the case (low ones) sanded down a 1/2 mm Yeay, nice ports Hello pirloui, I really admire modders such as you with the mind set of a "non-cutting" or "less-cutting" design. This way, the G5 case stays a Mac on the outside, even if it's a bit different inside. When I will be ready with hackintosh both understanding and budget, I think follow this respective approach. Keep on your good work Niko-Studio Link to comment Share on other sites More sharing options...
hammer87 Posted December 13, 2014 Share Posted December 13, 2014 I was thinking of modding my iMac (G3) into an x86 machine, but gave up.. way to much work you have to have a non standard mobo, etc. Then there's the heat issues, lackof room for video cards etc. But anyway, that case is beutiful. Good luck. Link to comment Share on other sites More sharing options...
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