Re: [1st] Radius 81/110 (8100) Troubleshooting
I reaplied some fresh heat-conductive cement between the 601 and peltier heat sink - still no dice. I'm fresh out of ideas - this mac remains as dead as a door-nail. It still could be the PSU, but from what I can check, it's working normally. Tnaks for your help anyway. ___ Yahoo! Messenger - want a free and easy way to contact your friends online? http://uk.messenger.yahoo.com -- 1st-PowerMacs is sponsored by http://lowendmac.com/ and... Small Dog Electronicshttp://www.smalldog.com | Refurbished Drives | -- Sonnet PowerLogix Upgrades - start at $169 | CDRWs on Sale! | Support Low End Mac http://lowendmac.com/lists/support.html 1st PowerMacs list info: http://lowendmac.com/lists/1st-powermacs.shtml -- AOL users, remove mailto:; Send list messages to: mailto:1st-powermacs@mail.maclaunch.com To unsubscribe, email: mailto:[EMAIL PROTECTED] For digest mode, email: mailto:[EMAIL PROTECTED] Subscription questions: mailto:[EMAIL PROTECTED] List archive:http://mail.maclaunch.com/lists/1st-powermacs/ --- iPod Accessories for Less at 1-800-iPOD.COM Fast Delivery, Low Price, Good Deal www.1800ipod.com ---
Re: [1st] Radius 81/110 (8100) Troubleshooting
--- Jeff Walther [EMAIL PROTECTED] wrote: Right down to the surface mount cap and resistor placement, the boards are identical except for the DRAM video connectors. I don't want to spend much money on it, but I can pick up an 8100 board for about £10. I would like to keep it around just as an OS9 machine for running older software so I can just use my newer mac for OSX (and thus trash the troublesome OS9 folder). Anyway, if you clean up the old heat sink compound (which is probably more like a powder than a paste at this point) and replace it with fresh, and properly replace the heat sink, that should solve that question. Yes, it was a bit powdery. Replacing it might solve the problem, but given I've never had heat problems with this before, I'm not holding my breath. Oh, one other test--turn on the machine, with the heat sink wires plugged in to the motherboard (assuming you do have the peltier cooler, as you should) but with the heat sink hanging loose. The CPU side of the heat sink should become noticeably cool. Don't run it like this for more than 30 seconds or so, since you don't want to overheat your sinkless CPU. I did that last night - the peltier got very cool so it seems to be working OK. I'm not sure about the 8100, but in the Radius, the PSU fan sits right above the CPU blasting cool air on to it (or sucking hot air away; I'm not sure which). I really don't think it's a heat issue. ...I imagine that any well stocked PC shop in your vicinity will sell something similar, though perhaps more dearly. Yeah I got some today. Anyway, if the CPU isn't cracked, and if it isn't overheating--that may yet be the problem--then I am out of ideas. You've tried the thorough trouble-shooting technique--Unplug everything, swap what you can on a minimal hardware setup, see if it works. I'm stumped too. I was hoping that this was maybe a known problem in the x100 series. I suppose it could be short on the motherboard, but even then I could usually detect that. That said, I've generally found these nubus-based PPCs to be absolutely solid. I wish this could be said for the 2nd-gen PCI-based machines. I will tell you that on the 7100 I have seen several machines which were overheating because of aged heat sink compound which had gone to powder. If I remember right, the 7100 lacked a peltier and the CPU wasn't exactly well positioned for cooling. The 6100 was even worse, especially if a video card was installed overhead. I've had heat-problems on that machine where the PDS video card would start to fry and screw up the picture. It did have a 7200 RPM HD and 240MHz G3 card installed within a few inches of each other, mind you :-) Elavating the machine by a few inches solved that one. Overheating is something I would expect on the cramped 6100 or 7100, but not a well-ventilated, spacey Radius 81/110. I should also point out that I was using this with a Sonnet G3 PDS card, which when enabled, disables the 601. Although this is a software extension which only kicks in after startup, up until which the 601 CPU is running as normal. It's not clear if the card simply powers down the 601 or isolates it, in which case the old CPU may still be running instructions and getting hot. ___ How much free photo storage do you get? Store your holiday snaps for FREE with Yahoo! Photos http://uk.photos.yahoo.com -- 1st-PowerMacs is sponsored by http://lowendmac.com/ and... Small Dog Electronicshttp://www.smalldog.com | Refurbished Drives | -- Sonnet PowerLogix Upgrades - start at $169 | CDRWs on Sale! | Support Low End Mac http://lowendmac.com/lists/support.html 1st PowerMacs list info: http://lowendmac.com/lists/1st-powermacs.shtml -- AOL users, remove mailto:; Send list messages to: mailto:1st-powermacs@mail.maclaunch.com To unsubscribe, email: mailto:[EMAIL PROTECTED] For digest mode, email: mailto:[EMAIL PROTECTED] Subscription questions: mailto:[EMAIL PROTECTED] List archive:http://mail.maclaunch.com/lists/1st-powermacs/ --- iPod Accessories for Less at 1-800-iPOD.COM Fast Delivery, Low Price, Good Deal www.1800ipod.com ---
Re: [1st] Radius 81/110 (8100) Troubleshooting
--- Manuel Marques [EMAIL PROTECTED] wrote: You mentioned the PRAM battery... Radius 81/110 wasn't the Mac clone that, when the PRAM battery was dead, simply didn't boot? I don't know, since you've said that the battery was fine... Greetings, A lot of macs had this problem. The 1st get PPCs would startup and chime if the battery was dead, but they would go no further. My LC475 does the same thing. But my 81/110 doesn't chime at all. I've checked the battery - it's ok. Happiness is the exercise of vital powers along lines of excellence in a life affording scope. ___ How much free photo storage do you get? Store your holiday snaps for FREE with Yahoo! Photos http://uk.photos.yahoo.com -- 1st-PowerMacs is sponsored by http://lowendmac.com/ and... Small Dog Electronicshttp://www.smalldog.com | Refurbished Drives | -- Sonnet PowerLogix Upgrades - start at $169 | CDRWs on Sale! | Support Low End Mac http://lowendmac.com/lists/support.html 1st PowerMacs list info: http://lowendmac.com/lists/1st-powermacs.shtml -- AOL users, remove mailto:; Send list messages to: mailto:1st-powermacs@mail.maclaunch.com To unsubscribe, email: mailto:[EMAIL PROTECTED] For digest mode, email: mailto:[EMAIL PROTECTED] Subscription questions: mailto:[EMAIL PROTECTED] List archive:http://mail.maclaunch.com/lists/1st-powermacs/ --- iPod Accessories for Less at 1-800-iPOD.COM Fast Delivery, Low Price, Good Deal www.1800ipod.com ---
Re: [1st] Radius 81/110 (8100) Troubleshooting
--- Ken Watanabe [EMAIL PROTECTED] wrote: You're probably right about the PS being OK. When my 8100 PS went bad, the symptom was that it would initially start up, but it would suddenly shut off without warning. You probably have, but have you reset the PRAM (the OPT-CMD-R-P during start-up procedure)? Also, are you able to start-up from a bootable CD? It doesn't get to that point unfortunately. There's nothing wrong with the OS. I should think the PRAM has been reset, given that the battery has been left out for over an hour. Is there anyway to reset the hardware? These machines don't have reset switches on the motherboard. Happiness is the exercise of vital powers along lines of excellence in a life affording scope. ___ How much free photo storage do you get? Store your holiday snaps for FREE with Yahoo! Photos http://uk.photos.yahoo.com -- 1st-PowerMacs is sponsored by http://lowendmac.com/ and... Small Dog Electronicshttp://www.smalldog.com | Refurbished Drives | -- Sonnet PowerLogix Upgrades - start at $169 | CDRWs on Sale! | Support Low End Mac http://lowendmac.com/lists/support.html 1st PowerMacs list info: http://lowendmac.com/lists/1st-powermacs.shtml -- AOL users, remove mailto:; Send list messages to: mailto:1st-powermacs@mail.maclaunch.com To unsubscribe, email: mailto:[EMAIL PROTECTED] For digest mode, email: mailto:[EMAIL PROTECTED] Subscription questions: mailto:[EMAIL PROTECTED] List archive:http://mail.maclaunch.com/lists/1st-powermacs/ --- iPod Accessories for Less at 1-800-iPOD.COM Fast Delivery, Low Price, Good Deal www.1800ipod.com ---
Re: [1st] Radius 81/110 (8100) Troubleshooting
--- Jeff Walther [EMAIL PROTECTED] wrote: Pull the motherboard. Remove the heat sink. Clean the CPU chip (gently) with rubbing alcohol to get the white heat sink compound off. Now hold the board at an oblique angle to a light source and check for cracks in the ceramic area of the CPU around the metal die in the middle. A not uncommon failure mode for the x100 series is for the 601 CPU to simply crack. If you don't see any cracks, then clean the heat sink compound off of the heat sink as well, reapply new heat sink compound (available from Radio Shack in a little blue white tube for about $2) and hope that your problem was overheating and that the fresh heat sink compound will solve it. I will try this. Do you have experience of a similar fault which was caused by a cracked CPU? What is the brand of heat sink compound? Just a shame the 601 is soldered to the motherboard... The ROM slot and cache slot are interchangeable, so you might try putting the ROM module in the cache slot and leaving out all the RAM and the cache and see if that helps. If the machine chimes, you may not be able to boot with only the 8 MB on the MB, but at least you'll have narrowed down your problem. Jeff Walther I have tried swapping slots. The machine doesn't have a cache card installed - this was made redundant by the backside cache on the G3 crescendo. I tried the ROM card in my 6100 which uses the same card and it worked fine. I also tried swapping ROM cards - no dice. There is no RAM installed. The machine doesn't get to the boot stage; it doesn't even seem to run a POST. I've had Macs die before, but not like this. It's like the motherboard isn't even getting power, but I've checked this (as much as I can). I do wounder if this has something to do with the PDS terminator. I've heard that it can damage the motherboard on the 8100 if there is no card in the slot and terminator is absent. Happiness is the exercise of vital powers along lines of excellence in a life affording scope. ___ Yahoo! Messenger - want a free and easy way to contact your friends online? http://uk.messenger.yahoo.com -- 1st-PowerMacs is sponsored by http://lowendmac.com/ and... Small Dog Electronicshttp://www.smalldog.com | Refurbished Drives | -- Sonnet PowerLogix Upgrades - start at $169 | CDRWs on Sale! | Support Low End Mac http://lowendmac.com/lists/support.html 1st PowerMacs list info: http://lowendmac.com/lists/1st-powermacs.shtml -- AOL users, remove mailto:; Send list messages to: mailto:1st-powermacs@mail.maclaunch.com To unsubscribe, email: mailto:[EMAIL PROTECTED] For digest mode, email: mailto:[EMAIL PROTECTED] Subscription questions: mailto:[EMAIL PROTECTED] List archive:http://mail.maclaunch.com/lists/1st-powermacs/ --- iPod Accessories for Less at 1-800-iPOD.COM Fast Delivery, Low Price, Good Deal www.1800ipod.com ---
Re: [1st] Radius 81/110 (8100) Troubleshooting
--- Jeff Walther [EMAIL PROTECTED] wrote: snip I did as you said - I removed the motherboard, and the heat-sink and examined the CPU. No cracks - it actually looks like it was made yesterday. I did notice that there was a LOT of dust and fluff on the board though. I cleaned the sockets, fiddled with the ROM card and got rid of as much dust as I could. But still no luck. But boy does that 601 heat up fast! Surely, if it was a heat issue, the mac would at least get through a POST and begin to start, even if only to crash later. I've had heat related problems with other machines I've clocked-chiped. But this is damned weird. I guess I could just pick up an 8100 board and replace the whole thing. The only difference between them (I think) is that the Radius has a standard mac monitor connected, as a opposed to the silly composite thing on the other x100s. I just can't figure what's wrong with this. ___ Yahoo! Messenger - want a free and easy way to contact your friends online? http://uk.messenger.yahoo.com -- 1st-PowerMacs is sponsored by http://lowendmac.com/ and... Small Dog Electronicshttp://www.smalldog.com | Refurbished Drives | -- Sonnet PowerLogix Upgrades - start at $169 | CDRWs on Sale! | Support Low End Mac http://lowendmac.com/lists/support.html 1st PowerMacs list info: http://lowendmac.com/lists/1st-powermacs.shtml -- AOL users, remove mailto:; Send list messages to: mailto:1st-powermacs@mail.maclaunch.com To unsubscribe, email: mailto:[EMAIL PROTECTED] For digest mode, email: mailto:[EMAIL PROTECTED] Subscription questions: mailto:[EMAIL PROTECTED] List archive:http://mail.maclaunch.com/lists/1st-powermacs/ --- iPod Accessories for Less at 1-800-iPOD.COM Fast Delivery, Low Price, Good Deal www.1800ipod.com ---
Re: [1st] Radius 81/110 (8100) Troubleshooting
Date: Thu, 5 May 2005 10:34:11 +0100 (BST) From: Daniel Price [EMAIL PROTECTED] Subject: [1st] Radius 81/110 (8100) Troubleshooting I have a Radius 81/110 clone (basically an 8100/110 in another box) which suddenly died. It was working fine one day and when I switched it on the next, it failed to start up. All the drives were powered up as normal; the PRAM battery was fine, even the little power light on the front of the box was lit. But there was no start-up chime and every indication that the motherboard was dead. Pull the motherboard. Remove the heat sink. Clean the CPU chip (gently) with rubbing alcohol to get the white heat sink compound off. Now hold the board at an oblique angle to a light source and check for cracks in the ceramic area of the CPU around the metal die in the middle. A not uncommon failure mode for the x100 series is for the 601 CPU to simply crack. If you don't see any cracks, then clean the heat sink compound off of the heat sink as well, reapply new heat sink compound (available from Radio Shack in a little blue white tube for about $2) and hope that your problem was overheating and that the fresh heat sink compound will solve it. While you've got the MB out, blow the ROM slot out with compressed air and maybe clean the pins gently with a folded bit of file card or some such and more alcohol. The ROM slot and cache slot are interchangeable, so you might try putting the ROM module in the cache slot and leaving out all the RAM and the cache and see if that helps. If the machine chimes, you may not be able to boot with only the 8 MB on the MB, but at least you'll have narrowed down your problem. Jeff Walther -- 1st-PowerMacs is sponsored by http://lowendmac.com/ and... Small Dog Electronicshttp://www.smalldog.com | Refurbished Drives | -- Sonnet PowerLogix Upgrades - start at $169 | CDRWs on Sale! | Support Low End Mac http://lowendmac.com/lists/support.html 1st PowerMacs list info: http://lowendmac.com/lists/1st-powermacs.shtml -- AOL users, remove mailto:; Send list messages to: mailto:1st-powermacs@mail.maclaunch.com To unsubscribe, email: mailto:[EMAIL PROTECTED] For digest mode, email: mailto:[EMAIL PROTECTED] Subscription questions: mailto:[EMAIL PROTECTED] List archive:http://mail.maclaunch.com/lists/1st-powermacs/ --- iPod Accessories for Less at 1-800-iPOD.COM Fast Delivery, Low Price, Good Deal www.1800ipod.com ---
