Yahoo Groups archive

Fairlight-CMI

Index last updated: 2026-04-29 00:03 UTC

Message

Re: [Fairlight-CMI] IIx is running again (was: IIX doesn't boot, only green screen)

2007-04-19 by Harald Feldmann

Wow, glad you're back up and running.
After hearing about your problem I finally took the initiative and removed
the batteries from some of my real-time clock cards to prevent leakage.

Best regards,
Harald.

> Hello again,
>
> I'm glad to tell that my IIx is working again. Just like Joe
> mentioned this was a power problem. I said that I checked all the
> fuses. Well I checked them on the back of the mainframe. But after
> opnening the mainframe I also noticed two on the board at the back of
> the box. They were OK. And in the housing of the boards behind the
> Frontpanel are also three fuses, and one of them -12V was broken.
> After replacing it, the system booted up.
>
> I want to thank all who did some co-thinking. Especially with these
> old machines, where a lot of technical knowledge gets lost, we can
> solve some problems by helping eachother.
>
>
> Hans
>
> --- In Fairlight-CMI@yahoogroups.com, "tama_rat" <britt@...> wrote:
>>
>> Hans,
>>
>> --- In Fairlight-CMI@yahoogroups.com, "Hans Nijhof" <hansensandra@>
>> wrote:
>> >
>> > Hello,
>> >
>> > after connecting the communication cable from the keyboard to the
>> > mainframe, with the power on, my system doesn't start up anymore
>> > (static electricity). It only shows a green square on the monitor
> and
>> > the keypad of the music keyboard doesn't show any text at all.
> I've
>> > checked all the fuses on the back of the mainframe, they all are
> OK.
>> > Also disconneced the music keyboard and plugged the qwerty
> keyboard
>> > directly into the mainframe. Also no effect. I can here the
> diskdrives
>> > running when I put in the boot disk, but nothing changes on the
> screen
>> > or keypad.
>> > Did anybody else have experience with this problem? Are there
> also
>> > fuses on the cards inside the mainframe? If not which card could
> have
>> > something to do with this problem?
>>
>> Are all 3 power supply LEDs on the front panel on?  I understand
> that
>> you checked the fuses, but perhaps a power supply failed without
>> blowing a fuse.
>>
>> Also, when you say that you hear the disk drives running, do you
> just
>> hear the disk spinning, or do you actually hear the head seeking
>> across the disk (the chunk-chunk-chunk sound)?  All the drives need
> to
>> spin is power, but seeking requires that the CPU be running.
>>
>> Joe
>>
>>
>> >
>> > Thanks in advance
>> >
>> > Hans
>> >
>>
>
>
>
>
>
> Yahoo! Groups Links
>
>
>
>

Attachments

Move to quarantaine

This moves the raw source file on disk only. The archive index is not changed automatically, so you still need to run a manual refresh afterward.