I am having some difficulties with my Powermac 6100. It does the what the below says, and then it does nothing more.
It chimes, but goes no further. No video output (The CRT remains in standby)
I have fiddled around with the DIP-switch on the Mac-to-VGA adapter, but it does not make a difference.
Any clue on where I should start? RAM maybe?
Powermac 6100 issues
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Powermac 6100 issues
by quantumii » 07 Mar 2011, 13:16
Current machines:
Mac 512k(e), Mac SE,Mac SE/30,Mac Classic,Powerbook 170,iBook Clamshell,iBook G3, Powerbook G4's, iMac G4, iMac G5,PowerMac G5, MacBooks & MacBook Pro's,Macbook Air, Apple IIc, Powermac G4, 20th Anniversary Mac,iPhones and iPod's
Mac 512k(e), Mac SE,Mac SE/30,Mac Classic,Powerbook 170,iBook Clamshell,iBook G3, Powerbook G4's, iMac G4, iMac G5,PowerMac G5, MacBooks & MacBook Pro's,Macbook Air, Apple IIc, Powermac G4, 20th Anniversary Mac,iPhones and iPod's
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quantumii - Joined: 29 May 2010, 18:09
Re: Powermac 6100 issues
by quantumii » 07 Mar 2011, 14:32
yes, I will remove it and see what happens. I did not try that. My mistake 
Edit: I found a spare PRAM battery that I saved from a dead eMac a few years ago. Succes, it booted right up
See the picture below. It's running 7.5
Edit: I found a spare PRAM battery that I saved from a dead eMac a few years ago. Succes, it booted right up
See the picture below. It's running 7.5
- Attachments
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Current machines:
Mac 512k(e), Mac SE,Mac SE/30,Mac Classic,Powerbook 170,iBook Clamshell,iBook G3, Powerbook G4's, iMac G4, iMac G5,PowerMac G5, MacBooks & MacBook Pro's,Macbook Air, Apple IIc, Powermac G4, 20th Anniversary Mac,iPhones and iPod's
Mac 512k(e), Mac SE,Mac SE/30,Mac Classic,Powerbook 170,iBook Clamshell,iBook G3, Powerbook G4's, iMac G4, iMac G5,PowerMac G5, MacBooks & MacBook Pro's,Macbook Air, Apple IIc, Powermac G4, 20th Anniversary Mac,iPhones and iPod's
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quantumii - Joined: 29 May 2010, 18:09
Re: Powermac 6100 issues
by classic » 08 Mar 2011, 00:38
I've also got issues also with a 6100/66 DOS compatible.
Its missing one its feet, but that is the least of the problems.
I put in an old pram battery and press the on off button several times to get the juice to the monitor.
It boots with the Stanley Jordan chord and its loading 7.6.1 and then this static noise through the speaker.
I have removed the DOS compatible card (it got really hot) and the monitor is running off the built in video.
Any clue as to why its making this hideous hiss?
Its missing one its feet, but that is the least of the problems.
I put in an old pram battery and press the on off button several times to get the juice to the monitor.
It boots with the Stanley Jordan chord and its loading 7.6.1 and then this static noise through the speaker.
I have removed the DOS compatible card (it got really hot) and the monitor is running off the built in video.
Any clue as to why its making this hideous hiss?
LC63036MB/80GB
Wallstreet PDQ/192MB/10GB HDD
Pismo/1GB/32GB SSD
MDD 867x2/896MB/60/120GB HDD
20" CoreDuo iMac/2GB/596GB HDD
Unibody MBP/4GB/128GB SSD
24"Core 2 Duo iMac/2GB/320GB
Wallstreet PDQ/192MB/10GB HDD
Pismo/1GB/32GB SSD
MDD 867x2/896MB/60/120GB HDD
20" CoreDuo iMac/2GB/596GB HDD
Unibody MBP/4GB/128GB SSD
24"Core 2 Duo iMac/2GB/320GB
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classic - Joined: 09 Oct 2009, 04:41
- Location: Australia
Re: Powermac 6100 issues
by quantumii » 08 Mar 2011, 07:53
It could be a capacitor maybe? Also, where does the DOS card get hot? On the CPU heatsink?
Current machines:
Mac 512k(e), Mac SE,Mac SE/30,Mac Classic,Powerbook 170,iBook Clamshell,iBook G3, Powerbook G4's, iMac G4, iMac G5,PowerMac G5, MacBooks & MacBook Pro's,Macbook Air, Apple IIc, Powermac G4, 20th Anniversary Mac,iPhones and iPod's
Mac 512k(e), Mac SE,Mac SE/30,Mac Classic,Powerbook 170,iBook Clamshell,iBook G3, Powerbook G4's, iMac G4, iMac G5,PowerMac G5, MacBooks & MacBook Pro's,Macbook Air, Apple IIc, Powermac G4, 20th Anniversary Mac,iPhones and iPod's
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quantumii - Joined: 29 May 2010, 18:09
Re: Powermac 6100 issues
by Charlieman » 08 Mar 2011, 18:42
Have you checked that the fan in the psu is revolving?
- Charlieman
- Joined: 03 May 2007, 11:19
- Location: Leicester, UK
Re: Powermac 6100 issues
by highlandcattle » 08 Mar 2011, 18:46
PM 6100 should always have a working PRAM battery otherwise it rarely want's to boot.
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highlandcattle - Joined: 18 Nov 2010, 20:10
Re: Powermac 6100 issues
by techknight » 21 Mar 2011, 01:24
the only way i can get a 6100 with a dead PRAM battery to boot is to press the power button on the machine itself, let it come on, then press it back off and back on real quick like.
boots every time.
boots every time.
Main PC: Intel core I7 920, MSI x58 platinum, Radeon4850
PB: tibook G4, ibook G4, Lombard, 160, 165, 180, Duo 2300x2, Duo 270c x2, 520cPPC, 3400c, 1400c
Desktop: G3AIO, 5260/100 x2, SE, SE/30, 512k, plus, LCIII, 7100, iMac G5 iSight, 6400/225
PB: tibook G4, ibook G4, Lombard, 160, 165, 180, Duo 2300x2, Duo 270c x2, 520cPPC, 3400c, 1400c
Desktop: G3AIO, 5260/100 x2, SE, SE/30, 512k, plus, LCIII, 7100, iMac G5 iSight, 6400/225
- techknight
- Joined: 10 Dec 2007, 23:13
Re: Powermac 6100 issues
by kite210 » 29 Mar 2011, 22:42
the only way i can get a 6100 with a dead PRAM battery to boot is to press the power button on the machine itself, let it come on, then press it back off and back on real quick like.
boots every time.
Mine does the exact same thing, and it hasn't had a PRAM battery for about 5 years now
My Collection:
Macintosh LC III, Macintosh Color Classic, Power Macintosh 6100/60, Power Macintosh 7100/66, Power Macintosh 8500/180 PowerBook G3 Wallstreet rev. 2, Power Macintosh G3 Blue & White, iMac DV 400Mhz Indigo, eMac (USB 2.0), PowerBook G4
Macintosh LC III, Macintosh Color Classic, Power Macintosh 6100/60, Power Macintosh 7100/66, Power Macintosh 8500/180 PowerBook G3 Wallstreet rev. 2, Power Macintosh G3 Blue & White, iMac DV 400Mhz Indigo, eMac (USB 2.0), PowerBook G4
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kite210 - Joined: 03 Nov 2010, 05:13
- Location: Milwaukee, WI
Re: Powermac 6100 issues
by techknight » 01 Apr 2011, 01:48
its been since 1999 when i had my 6100. it was my VERY first owned powerPC mac, and even then, thats how i had to start her up. because of a bad PRAM batt.
its been long since gone. but it was fun.
My second owned PPC macintosh was a "hackintosh 5400" Basically, the analog board we bad. shorted HOT, bad flyback.
So i completely gutted the machine, and cut the plug going to the secondary power supply. I wired up an old AT style power supply into the wires running to the 5400 system board.
it worked great, i had to tap a VGA monitor into the video wiring off the logic board connector as well. It had some ghosting because of impedance mismatching in the wires, but it worked.
I had that thing until eventually i ended up with a performa 6200 which took the same type of logic boards.
its been long since gone. but it was fun.
My second owned PPC macintosh was a "hackintosh 5400" Basically, the analog board we bad. shorted HOT, bad flyback.
So i completely gutted the machine, and cut the plug going to the secondary power supply. I wired up an old AT style power supply into the wires running to the 5400 system board.
it worked great, i had to tap a VGA monitor into the video wiring off the logic board connector as well. It had some ghosting because of impedance mismatching in the wires, but it worked.
I had that thing until eventually i ended up with a performa 6200 which took the same type of logic boards.
Main PC: Intel core I7 920, MSI x58 platinum, Radeon4850
PB: tibook G4, ibook G4, Lombard, 160, 165, 180, Duo 2300x2, Duo 270c x2, 520cPPC, 3400c, 1400c
Desktop: G3AIO, 5260/100 x2, SE, SE/30, 512k, plus, LCIII, 7100, iMac G5 iSight, 6400/225
PB: tibook G4, ibook G4, Lombard, 160, 165, 180, Duo 2300x2, Duo 270c x2, 520cPPC, 3400c, 1400c
Desktop: G3AIO, 5260/100 x2, SE, SE/30, 512k, plus, LCIII, 7100, iMac G5 iSight, 6400/225
- techknight
- Joined: 10 Dec 2007, 23:13
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