Re: G4 DP 450 Gig-E issues
On Dec 4, 2010, at 10:51 PM, Dan wrote: At 10:01 PM -0500 12/4/2010, rtows...@aol.com wrote: 1. Pulled video card, ram HD, replaced pram battery. Still no beeps/chimes/fans or HD spin. 2. Power Supply shows no 28v so guess it's the supply. Sounds like it. Going looking for one now :-( The GigE and DA use the same basic supply. When you get done gasping at the power supply prices, check this out: http://atxg4.com/ Nice. I ended up buying a parts machine (with P/S) for less than a power supply alone would have cost me. Amanda -- You received this message because you are a member of G-Group, a group for those using G3, G4, and G5 desktop Macs - with a particular focus on Power Macs. The list FAQ is at http://lowendmac.com/lists/g-list.shtml and our netiquette guide is at http://www.lowendmac.com/lists/netiquette.shtml To post to this group, send email to g3-5-list@googlegroups.com For more options, visit this group at http://groups.google.com/group/g3-5-list
G4 DP 450 Gig-E issues
Appears to be dead... No power-up light Non fans No chimes No HD spin Seem to recall possibilities are power supply or front panel board. Any way to isolate? I have unplugged monitor, kybd ext FW drive followed by int HD with no change. There are no pci cards installed. Recommendations? Thx BobT DP 450 768 Meg Int 40 GB 20 GB pata Ext 300 GB FW OSX 10.4.11 9.22 -- You received this message because you are a member of G-Group, a group for those using G3, G4, and G5 desktop Macs - with a particular focus on Power Macs. The list FAQ is at http://lowendmac.com/lists/g-list.shtml and our netiquette guide is at http://www.lowendmac.com/lists/netiquette.shtml To post to this group, send email to g3-5-list@googlegroups.com For more options, visit this group at http://groups.google.com/group/g3-5-list
Re: G4 DP 450 Gig-E issues
On Dec 4, 2010, at 11:40 AM, rtows...@aol.com wrote: No power-up light Non fans No chimes No HD spin The FIRST thing to check is the input power switch. It has a 115 position and a 230 position. If placed on the 230 position, but operated on 115 volts, the PSU's converter section is operated as a full-wave bridge, and the intermediate dc bus voltage will be only 162.25 volts, whereas it needs to be 325 volts for proper operation. If placed on the 115 position, and operated on 115 volts, the PSU's converter section is operated as a half-wave voltage doubler, and the intermediate dc voltage will be 325 volts, as is expected and required for proper operation. -- You received this message because you are a member of G-Group, a group for those using G3, G4, and G5 desktop Macs - with a particular focus on Power Macs. The list FAQ is at http://lowendmac.com/lists/g-list.shtml and our netiquette guide is at http://www.lowendmac.com/lists/netiquette.shtml To post to this group, send email to g3-5-list@googlegroups.com For more options, visit this group at http://groups.google.com/group/g3-5-list
Re: G4 DP 450 Gig-E issues
Is the video card a flashed PC version? If it is make sure that pins 311 are disabled by cutting or taping them. On Dec 4, 2010, at 12:40 PM, rtows...@aol.com wrote: Appears to be dead... No power-up light Non fans No chimes No HD spin Seem to recall possibilities are power supply or front panel board. Any way to isolate? I have unplugged monitor, kybd ext FW drive followed by int HD with no change. There are no pci cards installed. Recommendations? Thx BobT DP 450 768 Meg Int 40 GB 20 GB pata Ext 300 GB FW OSX 10.4.11 9.22 -- You received this message because you are a member of G-Group, a group for those using G3, G4, and G5 desktop Macs - with a particular focus on Power Macs. The list FAQ is at http://lowendmac.com/lists/g-list.shtml and our netiquette guide is at http://www.lowendmac.com/lists/netiquette.shtml To post to this group, send email to g3-5-list@googlegroups.com For more options, visit this group at http://groups.google.com/group/g3-5-list -- You received this message because you are a member of G-Group, a group for those using G3, G4, and G5 desktop Macs - with a particular focus on Power Macs. The list FAQ is at http://lowendmac.com/lists/g-list.shtml and our netiquette guide is at http://www.lowendmac.com/lists/netiquette.shtml To post to this group, send email to g3-5-list@googlegroups.com For more options, visit this group at http://groups.google.com/group/g3-5-list
Re: G4 DP 450 Gig-E issues
At 11:40 AM -0800 12/4/2010, rtows...@aol.com wrote: [Config moved from bottom of OP and cleaned] 450-MHz Power Mac G4 DP GigE, 768 MB RAM, 40 and 20 GB HDs External ?wired? kvm, and 300 GB firewire HD. Mac OS 9.2.2 and X 10.4.11. [Aside - When having a hardware problem, why do people put their hardware information at the bottom of the message? That's about as bad as top-posting, IMO. It means we have to skip to the end to learn the config then go back to the top and re-read... That's just not a good use of anyone's time.] Appears to be dead... No power-up light Non fans No chimes No HD spin Seem to recall possibilities are power supply or front panel board. Any way to isolate? I have unplugged monitor, kybd ext FW drive followed by int HD with no change. There are no pci cards installed. (In this order, but stop when something works, of course). Zap the PRAM. Replace the PRAM Battery. Disconnect all internal drives, pull all the memory and the video card. See if that produces at least some error beeps. If it does, then your ps is fine, you just need to fix whatever the beep said. Disconnect the power supply and check its voltages... (looks like other replies have covered that) Do you need the repair manual? - Dan. -- - Psychoceramic Emeritus; South Jersey, USA, Earth. -- You received this message because you are a member of G-Group, a group for those using G3, G4, and G5 desktop Macs - with a particular focus on Power Macs. The list FAQ is at http://lowendmac.com/lists/g-list.shtml and our netiquette guide is at http://www.lowendmac.com/lists/netiquette.shtml To post to this group, send email to g3-5-list@googlegroups.com For more options, visit this group at http://groups.google.com/group/g3-5-list
Re: G4 DP 450 Gig-E issues
-Original Message- From: Peter Haas peterh...@cruzio.com To: g3-5-list@googlegroups.com Sent: Sat, Dec 4, 2010 2:49 pm Subject: Re: G4 DP 450 Gig-E issues On Dec 4, 2010, at 11:40 AM, rtows...@aol.com wrote: No power-up light Non fans No chimes No HD spin The FIRST thing to check is the input power switch. It has a 115 position and a 230 position. If placed on the 230 position, but operated on 115 volts, the PSU's converter section is operated as a full-wave bridge, and the intermediate dc bus voltage will be only 162.25 volts, whereas it needs to be 325 volts for proper operation. If placed on the 115 position, and operated on 115 volts, the PSU's converter section is operated as a half-wave voltage doubler, and the intermediate dc voltage will be 325 volts, as is expected and required for proper operation. Hi Peter, Should have mentioned I had verified that already. Pram battery shows 3.69V although it's about 3-4 yrs old. System was working earlier yesterday but wouldn't come on a few hours later. Thx, BobT --You received this message because you are a member of G-Group, a group for those using G3, G4, and G5 desktop Macs - with a particular focus on Power Macs. The list FAQ is at http://lowendmac.com/lists/g-list.shtml and our netiquette guide is at http://www.lowendmac.com/lists/netiquette.shtml To post to this group, send email to g3-5-list@googlegroups.com For more options, visit this group at http://groups.google.com/group/g3-5-list -- You received this message because you are a member of G-Group, a group for those using G3, G4, and G5 desktop Macs - with a particular focus on Power Macs. The list FAQ is at http://lowendmac.com/lists/g-list.shtml and our netiquette guide is at http://www.lowendmac.com/lists/netiquette.shtml To post to this group, send email to g3-5-list@googlegroups.com For more options, visit this group at http://groups.google.com/group/g3-5-list
Re: G4 DP 450 Gig-E issues
-Original Message- From: Alex Barnes kab...@gmail.com To: g3-5-list@googlegroups.com Sent: Sat, Dec 4, 2010 2:49 pm Subject: Re: G4 DP 450 Gig-E issues Is the video card a flashed PC version? If it is make sure that pins 311 are disabled by cutting or taping them. On Dec 4, 2010, at 12:40 PM, rtows...@aol.com wrote: Appears to be dead... No power-up light Non fans No chimes No HD spin Seem to recall possibilities are power supply or front panel board. Any way to isolate? I have unplugged monitor, kybd ext FW drive followed by int HD with no change. There are no pci cards installed. Recommendations? Thx BobT DP 450 768 Meg Int 40 GB 20 GB pata Ext 300 GB FW OSX 10.4.11 9.22 -- Video card is stock 128 Rage Pro You received this message because you are a member of G-Group, a group for those using G3, G4, and G5 desktop Macs - with a particular focus on Power Macs. The list FAQ is at http://lowendmac.com/lists/g-list.shtml and our netiquette guide is at http://www.lowendmac.com/lists/netiquette.shtml To post to this group, send email to g3-5-list@googlegroups.com For more options, visit this group at http://groups.google.com/group/g3-5-list -- You received this message because you are a member of G-Group, a group for those using G3, G4, and G5 desktop Macs - with a particular focus on Power Macs. The list FAQ is at http://lowendmac.com/lists/g-list.shtml and our netiquette guide is at http://www.lowendmac.com/lists/netiquette.shtml To post to this group, send email to g3-5-list@googlegroups.com For more options, visit this group at http://groups.google.com/group/g3-5-list -- You received this message because you are a member of G-Group, a group for those using G3, G4, and G5 desktop Macs - with a particular focus on Power Macs. The list FAQ is at http://lowendmac.com/lists/g-list.shtml and our netiquette guide is at http://www.lowendmac.com/lists/netiquette.shtml To post to this group, send email to g3-5-list@googlegroups.com For more options, visit this group at http://groups.google.com/group/g3-5-list
Re: G4 DP 450 Gig-E issues
-Original Message- From: Dan dantear...@gmail.com To: g3-5-list@googlegroups.com Sent: Sat, Dec 4, 2010 3:12 pm Subject: Re: G4 DP 450 Gig-E issues At 11:40 AM -0800 12/4/2010, rtows...@aol.com wrote: [Config moved from bottom of OP and cleaned] 450-MHz Power Mac G4 DP GigE, 768 MB RAM, 40 and 20 GB HDs External 300 GB firewire/usb enclosure (unplugged). Mac OS 9.2.2 and X 10.4.11. [Aside - When having a hardware problem, why do people put their hardware information at the bottom of the message? That's about as bad as top-posting, IMO. It means we have to skip to the end to learn the config then go back to the top and re-read... That's just not a good use of anyone's time.] Appears to be dead... No power-up light Non fans No chimes No HD spin Seem to recall possibilities are power supply or front panel board. Any way to isolate? I have unplugged monitor, kybd ext FW drive followed by int HD with no change. There are no pci cards installed. (In this order, but stop when something works, of course). Zap the PRAM. Replace the PRAM Battery. Disconnect all internal drives, pull all the memory and the video card. See if that produces at least some error beeps. If it does, then your ps is fine, you just need to fix whatever the beep said. Disconnect the power supply and check its voltages... (looks like other replies have covered that) Do you need the repair manual? - Dan. -- - Psychoceramic Emeritus; South Jersey, USA, Earth. Sorry for info at bottom. There is no KVM or other ext devices connected. I listed a 300 GB firewire/usb enclosure but it is disconnected. I corrected description above. Yes, I could use the repair manual...thx -- You received this message because you are a member of G-Group, a group for those using G3, G4, and G5 desktop Macs - with a particular focus on Power Macs. The list FAQ is at http://lowendmac.com/lists/g-list.shtml and our netiquette guide is at http://www.lowendmac.com/lists/netiquette.shtml To post to this group, send email to g3-5-list@googlegroups.com For more options, visit this group at http://groups.google.com/group/g3-5-list -- You received this message because you are a member of G-Group, a group for those using G3, G4, and G5 desktop Macs - with a particular focus on Power Macs. The list FAQ is at http://lowendmac.com/lists/g-list.shtml and our netiquette guide is at http://www.lowendmac.com/lists/netiquette.shtml To post to this group, send email to g3-5-list@googlegroups.com For more options, visit this group at http://groups.google.com/group/g3-5-list
Re: G4 DP 450 Gig-E issues
At 3:33 PM -0500 12/4/2010, rtows...@aol.com wrote: [html removed] There is no KVM or other ext devices connected. I listed a 300 GB firewire/usb enclosure but it is disconnected. I corrected description above. yea, saw. Replace that pram battery. I don't care what it's unloaded voltage be - it's old. It's the first thing to replace. - Dan. -- - Psychoceramic Emeritus; South Jersey, USA, Earth. -- You received this message because you are a member of G-Group, a group for those using G3, G4, and G5 desktop Macs - with a particular focus on Power Macs. The list FAQ is at http://lowendmac.com/lists/g-list.shtml and our netiquette guide is at http://www.lowendmac.com/lists/netiquette.shtml To post to this group, send email to g3-5-list@googlegroups.com For more options, visit this group at http://groups.google.com/group/g3-5-list
Re: G4 DP 450 Gig-E issues
-Original Message- From: Dan dantear...@gmail.com To: g3-5-list@googlegroups.com Sent: Sat, Dec 4, 2010 3:57 pm Subject: Re: G4 DP 450 Gig-E issues At 3:33 PM -0500 12/4/2010, rtows...@aol.com wrote: [html removed] There is no KVM or other ext devices connected. I listed a 300 GB firewire/usb enclosure but it is disconnected. I corrected description above. yea, saw. Replace that pram battery. I don't care what it's unloaded voltage be - it's old. It's the first thing to replace. 1. Pulled video card, ram HD, replaced pram battery. Still no beeps/chimes/fans or HD spin. 2. Power Supply shows no 28v so guess it's the supply. Going looking for one now :-( -- You received this message because you are a member of G-Group, a group for those using G3, G4, and G5 desktop Macs - with a particular focus on Power Macs. The list FAQ is at http://lowendmac.com/lists/g-list.shtml and our netiquette guide is at http://www.lowendmac.com/lists/netiquette.shtml To post to this group, send email to g3-5-list@googlegroups.com For more options, visit this group at http://groups.google.com/group/g3-5-list -- You received this message because you are a member of G-Group, a group for those using G3, G4, and G5 desktop Macs - with a particular focus on Power Macs. The list FAQ is at http://lowendmac.com/lists/g-list.shtml and our netiquette guide is at http://www.lowendmac.com/lists/netiquette.shtml To post to this group, send email to g3-5-list@googlegroups.com For more options, visit this group at http://groups.google.com/group/g3-5-list
Re: G4 DP 450 Gig-E issues
I to have a dual 450MHz powermac with the same symptoms. This is vey helpful info. Thanks everyone! -Jonas -- You received this message because you are a member of G-Group, a group for those using G3, G4, and G5 desktop Macs - with a particular focus on Power Macs. The list FAQ is at http://lowendmac.com/lists/g-list.shtml and our netiquette guide is at http://www.lowendmac.com/lists/netiquette.shtml To post to this group, send email to g3-5-list@googlegroups.com For more options, visit this group at http://groups.google.com/group/g3-5-list
Re: G4 DP 450 Gig-E issues
At 10:01 PM -0500 12/4/2010, rtows...@aol.com wrote: 1. Pulled video card, ram HD, replaced pram battery. Still no beeps/chimes/fans or HD spin. 2. Power Supply shows no 28v so guess it's the supply. Sounds like it. Going looking for one now :-( The GigE and DA use the same basic supply. When you get done gasping at the power supply prices, check this out: http://atxg4.com/ HTH, - Dan. -- - Psychoceramic Emeritus; South Jersey, USA, Earth. -- You received this message because you are a member of G-Group, a group for those using G3, G4, and G5 desktop Macs - with a particular focus on Power Macs. The list FAQ is at http://lowendmac.com/lists/g-list.shtml and our netiquette guide is at http://www.lowendmac.com/lists/netiquette.shtml To post to this group, send email to g3-5-list@googlegroups.com For more options, visit this group at http://groups.google.com/group/g3-5-list
