Re: Lisa keeps shutting itself off

From: Adam Vaughn <AdamAnt316_at_email.domain.hidden>
Date: Mon, 24 Oct 2005 14:46:28 +0000


My Lisa indeed has a 1.2A power supply (no idea why Sun Remarketing decided to keep it hobbled with the original PSU after they installed a hard drive in it...). As stated in an earlier post, the second time it shut itself off, it ejected the disk in it's floppy drive, which leads me to believe that shutdown protocols are somehow being initiated here (unless it's a sort of reflex action on the Lisa's part). If it is indeed the power supply, does anyone have an idea where or how I might acquire a proper 1.8A PSU for it? Thanks in advance. -Adam 
--
Adam Vaughn 
Collector of old computers, video game systems, radios and other electronic
equipment... 
Visit my page at
http://www.electronixandmore.com/adam/index.html




> Adam,


> 

> Does your comptuer have the 1.2 amp power supply or the 1.8? Perhaps its 

> overheating? Maby aim some fans at the vents on the back, or take the top 

> off and have a fan blow in there (warning: High Voltage!)

> 

> -Jason

> ----- Original Message ----- 

> From: "Adam Vaughn" <AdamAnt316_at_email.domain.hidden>

> To: "LisaList" <lisalist_at_email.domain.hidden>

> Sent: Monday, October 24, 2005 10:01 AM

> Subject: Re: Lisa keeps shutting itself off

> 

> 

> > An update on the situation: After it managed to run an hour without 

> > shutting down, I decided to see if the screen dimming was a part of the 

> > problem. In the SunTrol, I changed the dimming time from 2 minutes to 30 

> > minutes. I then tried printing out the two-page document during which the 

> > unit had been shutting down. I managed to print two copies, as well as a 

> > couple of aborted printings. On the approx. fifth attempt, I started the 

> > print job, then about a minute later, the unit shut itself off (I didn't 

> > spot an error message before it kicked out). So much for the screen 

> > dimming hypothesis. Any ideas? Thanks in advance.

> > -Adam

> >

> > --

> > Adam Vaughn

> > Collector of old computers, video game systems, radios and other 

> > electronic

> > equipment...

> > Visit my page at

> > http://www.electronixandmore.com/adam/index.html

> >

> >

> >>

> >> Patch information for MacWorks Plus 1.0.18...

> >>

> >> There are no guarantees, use this information at your own risk.

> >>

> >> To apply the patches:

> >>

> >>   a) In (a copy of) the MacWorks Plus Installer, use Fedit or an 

> >> equivalent

> >> and look in the DATA fork to search for the "find" data (in hex), and

> >> replace with the data shown.

> >>

> >>   b) Use the modified installer to 'Update MacWorks' on your parallel 

> >> port

> >> hard disk, and restart to load it.

> >>

> >> Notes:

> >>

> >> - All of these patches only occur once; the find data is unique

> >>

> >> - If you can't locate one or more of the "find" data sequences, perhaps

> >> your copy is already (or partially) patched; search for the 

> >> data-as-patched

> >> to confirm. Some application's search functions require that you reset 

> >> the

> >> edit point to the first sector in order to search the whole file.

> >>

> >> - If you are using an LSAC or QuickBoot, apply the patches to the MW+ 

> >> file

> >> in your System folder (make a backup first)

> >>

> >> - These patches do not apply to MacWorks Plus II (it already includes 

> >> these

> >> and many other bug fixes)

> >>

> >> 1) This patch is for the "extra line feed per page" bug in MacWorks Plus.

> >>

> >> Find (once):  7210 6100 03E4 47EA 007C 2A9B

> >> Replace with  720E 6100 .... (only change the first word)

> >>

> >> 2) The following patch attempts to fix the bug in MacWorks Plus which 

> >> would

> >> cause disk access in progress to fail when the screen contrast changed.

> >>

> >> Find (once):

> >>   2F0C 287C 00FC D901 08EC 0002 0010 08D4 0002 197C

> >>   00FF 0018 1944 0008 08EC 0007 0010 0894 0007 08D4

> >>   0007 08AC 0007 0010 422C 0018 0894 0002 285F 4E75

> >> Replace with:

> >>   2F0C 287C 00FC D901 002C 0088 0010 1F2C 0078 1F2C

> >>   0018 1F14 0894 0003 197C 00FF 0018 1944 0078 0894

> >>   0007 08D4 0007 189F 195F 0018 195F 0078 285F 4E75

> >>

> >> 3) Patch for the shutdown bug in MacWorks Plus:

> >>

> >> Find (once):  0300 207C 00FC DD81 2248 2448 5C4A

> >> Replace with  0700 207C .... (only change the first word)

> >>

> >> HTH,

> >>

> >> James

> >>

> >> >IIRC, 1.0.18x has three patches applied (vs 1.0.18). I'll see if I can 

> >> >dig

> >> >up what these are supposed to fix; it could be the shutdown bug is one 

> >> >of

> >> >them.

> >> >

> >> >>I should have mentioned before, mine is running MacWorks Plus 1.0.18.

> >> >>Would this version still be prone to spontaneous shutdowns? It's never

> >> >>shut itself off before, until I hooked a printer to it, and left it 

> >> >>alone

> >> >>for a couple of minutes.

> >>

> >> James MacPhail                   "Think not of engineering as art,

> >> uo957_at_email.domain.hidden                 but of art as engineering"

> >> Sigma Seven Systems Ltd.

> >> james_at_email.domain.hidden        <http://SigmaSevenSystems.com>

> >>

> >>

> >>

> >> -- 

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> >>

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> 

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> 

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-- 
LisaList is sponsored by <http://lowendmac.com/> and...

Shop buy.com and save. <http://lowendmac.com/ad/buy.com.html>

      Support Low End Mac <http://lowendmac.com/lists/support.html>

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Received on 2005-10-24 07:53:15

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