Subject: Re: Workpad Z50 RAM
To: Ricardo L. A. Banffy <rbanffy@utopia.com.br>
From: nick thompson <nicholas.thompson1@mchsi.com>
List: port-hpcmips
Date: 07/04/2006 22:01:21
Ricardo L. A. Banffy wrote:
> How many of us are there (Workpad Z50 users without extra RAM)?
>
> We could hire someone to build the PCBs and, maybe, even solder the
> components on them. Does anybody know the schematics of the board? Would
> anyone "donate one to science"?
>
> There are lots of companies like http://www.pad2pad.com who make custom
> PCBs in low quantities. Has anyone here worked with one of them?
>
> And, while we are at it, we could explore the possibilities of having
> more than 32 MB on the board. Maybe the z50 can even be expanded above
> that limit ;-)
>
> I can't possibly be the only hardware hacker around with a Z50...
>
I would be interested most likely, I am in the market for a Z50 and I
bet when I find one it won't have the extra memory, so I would order one
if it gets figured out. Hell, I'd probably order two. :)
Nick
"All unix, all the time."
http://npt.ath.cx
> djb_netbsd@charter.net wrote:
>>> I was wondering if anyone has tried a generic 144pin EDO SODIMM in the
>>> workpad
>>
>> Yes.
>>
>>> & if it has worked?!?!
>>
>> No. The notch in the SODIMM is different for the Z50. Also I think all
>> of the RAM chips have to be on the top side - a dual sided SODIMM
>> would be too thick.
>>
>> I've added a picture comparing the Z50 SODIMM to a Kingston KTM760/32.
>>
>> http://webpages.charter.net/dbarnes3367/PC/Z50/Z50-mem.jpg
>>
>> djb
>