Re: 280 and 280c screen

[vicki]

on 9/10/03 12:24 AM, Tom and Lisa P at [EMAIL PROTECTED] wrote:

>> 
>> Quick one whilst you are on .
>> 
>> the pcmcia cage for the 1400 the 2 rows of connector pins that connect it to
>> the motherboard How do you tell pin 1.
>> 
>> I am trying to use it connected to a 2300 board via and adapter to give me
>> compact flash exchange. (its a bit tricky)
>> 
>> speak later Vicki
>> 
> 
> Thats certainly an interesting mod you are trying.  I will keep my
> fingers crossed.  On finding pin #1, I looked at a card cage and a
> motherboard and neither has any of the pins numbered.  Kind of
> unusual.  DO the developer docs give any clue ?
> 
> Mad Dog
Hi Mad dog 

No if you mean anything in any of the different pdf files i have downloaded
about circuits and pcmcia..no

I will keep experimenting

Vicki 


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Re: 280 and 280c screen

[vicki]

on 9/10/03 2:51 AM, [EMAIL PROTECTED] at [EMAIL PROTECTED] wrote:

> Andrew Wiens <[EMAIL PROTECTED]> asked:
>> is a 280 b/w screen compatible in a 230?
> 
> I replied:
>>> Yes, but will require a screen cable from 250 (250 and 280 LCDs are
>>> functionally identical.) Of course a complete 250 can be had for similar
>>> money to just a cable. Good use of a broken-screen 250's bits though.
> 
> then Mad Dog asked:
>> Are you sure about that ?  I knew the 250/280s which with the cable,
>> but I never heard of the 230/280 swap.
> Duos 230 and 250 have identical mobos, 210 is nearly identical, slower
> processor though. 250 and 280 LCDs are near-enough identical, but the
> cables are different. So a 250 LCD works in 280 with 280 cable, 280 LCD
> works in 210/230/250 with 250 cable. 210/230 LCD in a 270/280? 'Fraid
> not, as no cable exists with a 210/230 LCD end + a 270/280 logic board
> end.
> 
>> And if the 280/230 works, then the 280c should work, although there
>> isnt enough VRAM to drive the screen very well.
> Nope, _won't_ work (as Vicki D apparently can attest.) The video circuit
> doesn't know about color LCDs. Read the original Duo devnote for more
> details about the original Duo video controller.
> 
> _Plus_ AFAIK no cable exists to connect _any_ Duo color LCD to a
> 210/230/250 LB. Hmm, how the heck did you actually do that anyway
> Vicki??!!??
> 
> Dan K
> 
> 
> .
> http://macdan.n3.net/
> carracho://dankephoto.dhs.org:9700
> hotline://dankephoto.dhs.org:9500
> .
> 
Hi Dan 

Never mentioned anything about a colour lcd
just said i have connected them up and no they do not work.

The exact parts i have are 4 duo mother boards .
2 screen from a 230 1 from a 210 1 from a 280 and a smashed 270 lcd.

because of the disbelief i will stick a hdd in a duo and get the system
processor spec from all 4 boards the i can say what board they are for
definate.

Vicki.



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Re: 280 and 280c screen

[DankePhoto]

Andrew Wiens <[EMAIL PROTECTED]> asked:
> is a 280 b/w screen compatible in a 230?

I replied:
>>Yes, but will require a screen cable from 250 (250 and 280 LCDs are
>>functionally identical.) Of course a complete 250 can be had for similar
>>money to just a cable. Good use of a broken-screen 250's bits though.

then Mad Dog asked:
>Are you sure about that ?  I knew the 250/280s which with the cable, 
>but I never heard of the 230/280 swap.
Duos 230 and 250 have identical mobos, 210 is nearly identical, slower 
processor though. 250 and 280 LCDs are near-enough identical, but the 
cables are different. So a 250 LCD works in 280 with 280 cable, 280 LCD 
works in 210/230/250 with 250 cable. 210/230 LCD in a 270/280? 'Fraid 
not, as no cable exists with a 210/230 LCD end + a 270/280 logic board 
end.

>And if the 280/230 works, then the 280c should work, although there 
>isnt enough VRAM to drive the screen very well.
Nope, _won't_ work (as Vicki D apparently can attest.) The video circuit 
doesn't know about color LCDs. Read the original Duo devnote for more 
details about the original Duo video controller.

_Plus_ AFAIK no cable exists to connect _any_ Duo color LCD to a 
210/230/250 LB. Hmm, how the heck did you actually do that anyway 
Vicki??!!??

Dan K


.
http://macdan.n3.net/
carracho://dankephoto.dhs.org:9700
hotline://dankephoto.dhs.org:9500
.


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Re: 280 and 280c screen

[Tom and Lisa P]

Quick one whilst you are on .

the pcmcia cage for the 1400 the 2 rows of connector pins that connect it to
the motherboard How do you tell pin 1.
I am trying to use it connected to a 2300 board via and adapter to give me
compact flash exchange. (its a bit tricky)
speak later Vicki

Thats certainly an interesting mod you are trying.  I will keep my 
fingers crossed.  On finding pin #1, I looked at a card cage and a 
motherboard and neither has any of the pins numbered.  Kind of 
unusual.  DO the developer docs give any clue ?

Mad Dog

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Re: 280 and 280c screen

[vicki]

on 9/9/03 3:29 AM, Tom and Lisa P at [EMAIL PROTECTED] wrote:

>> Andrew Wiens <[EMAIL PROTECTED]> asked:
>>> is a 280 b/w screen compatible in a 230?
>> Yes, but will require a screen cable from 250 (250 and 280 LCDs are
>> functionally identical.) Of course a complete 250 can be had for similar
>> money to just a cable. Good use of a broken-screen 250's bits though.
>> 
>> Dan K
> 
> Are you sure about that ?  I knew the 250/280s witch with the cable,
> but I never heard of the 230/280 swap.
> 
> And if the 280/230 works, then the 280c should work, although there
> isnt enough VRAM to drive the screen very well.
> 
> Mad Dog
Hi Mad dog.

I have tried that experiment and you will just get a gray screen everytime.
on the 230 also when changing it around 230-280 same thing.

The connector also needs to be tweeked as the pins have slightly different
spacing on the boards i have.

Quick one whilst you are on .

the pcmcia cage for the 1400 the 2 rows of connector pins that connect it to
the motherboard How do you tell pin 1.

I am trying to use it connected to a 2300 board via and adapter to give me
compact flash exchange. (its a bit tricky)

speak later Vicki 


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Re: 280 and 280c screen

[Tom and Lisa P]

Andrew Wiens <[EMAIL PROTECTED]> asked:
is a 280 b/w screen compatible in a 230?
Yes, but will require a screen cable from 250 (250 and 280 LCDs are
functionally identical.) Of course a complete 250 can be had for similar
money to just a cable. Good use of a broken-screen 250's bits though.
Dan K
Are you sure about that ?  I knew the 250/280s witch with the cable, 
but I never heard of the 230/280 swap.

And if the 280/230 works, then the 280c should work, although there 
isnt enough VRAM to drive the screen very well.

Mad Dog

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Re: 280 and 280c screen

[DankePhoto]

Andrew Wiens <[EMAIL PROTECTED]> asked:
>is a 280 b/w screen compatible in a 230?
Yes, but will require a screen cable from 250 (250 and 280 LCDs are 
functionally identical.) Of course a complete 250 can be had for similar 
money to just a cable. Good use of a broken-screen 250's bits though.

Dan K

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Re: 280 and 280c screen

[Tom and Lisa P]

can a 280c color screen plug into a 280 (not 280c) board?  I would 
rather not take the risk of opening my 280 (I know this sounds wierd 
to some mac hardware guys).  I noticed that on the 230 boards the 
plug is different, but I was wondering if this was the same for the 
280.  While im on this subject, is a 280 b/w screen compatible in a 
230?  Thanks, all!
--
Andrew
a.k.a.- The MacFreak
Yes, the 280 and 280c motherboards are identical.  In fact you can 
use a 270c screen on the 280/280c and you can use a 280 (B&W) screen 
on a 270 motherboard.

The 280 and 230 are not compatable.

Mad Dog

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