[Coco] Cloud-9's 512K Upgrade

[Brian Blake]

Hehe... I was going to do a quickie review of the 512k upgrade, but, I think
John beat me to it... lol.

I bought mine in kit form so it took a little longer than 5 minutes, but, it
does work great and it's a heck of a lot easier than trying to track down
the appropriate SIMMs for the home brew upgrade.


Brian



On Wed, Jul 7, 2010 at 8:56 AM, Little John (GIMEchip.com) <
sales at gimechip.com> wrote:


> Mark,

> you should've seen the first 512K I made (and the subsequent look on dad's

> face).

> I stuck two simms together with double sided sticky tape and used wire-wrap

> wire to connect the address lines of the simms together a0-a0 and so on -

> yep - soldered directly to the tiny holes at the simm edge fingers. then ran

> the wire wrap wire to connectors and plugged it all in. Dad was like - now

> how are you going to mount that mess, I said double-sided sticky tape. A

> lecture followed... that was three years ago.. I've learned a bit since then

> :-)

> -John

> ----- Original Message ----- From: "Mark Marlette" <

> mmarlette at frontiernet.net>

>

> To: "CoCoList for Color Computer Enthusiasts" <coco at maltedmedia.com>

> Sent: Tuesday, July 06, 2010 4:49 PM

> Subject: Re: [Coco] Cloud-9's 512K Upgrade

>

>

>

>  John,

>>

>> Thanks!

>>

>> Regards,

>>

>> Mark

>> Cloud-9

>>

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

>> From: Little John (GIMEchip.com) <sales at gimechip.com>

>> To: CoCoList for Color Computer Enthusiasts <coco at maltedmedia.com>

>> Sent: Tue, 06 Jul 2010 21:37:18 -0000 (UTC)

>> Subject: [Coco] Cloud-9's 512K Upgrade

>>

>> I wanted to make another 512K upgrade for one of my other CoCo 3's. After

>> careful consideration and thought (remembering how much time it takes me to

>> kludge one together) - I just ordered one from Cloud-9 with SIMMs. If you

>> add up the time it takes to wire-wrap one or to etch your own board, plus

>> locating two suitable SIMMs - You really can't beat Mark's price. He mailed

>> it Saturday - I got it today - it took about 5 Minutes to install and it

>> worked the first time (no troubles trying to track down a misplaced wire,

>> etc. on my homemade ones). Anyone considering a 512K upgrade should

>> definately consider just buying one ready to go from Mark - when I think of

>> the hours I spent just making some of my upgrades - I could kick myself for

>> not just biting the bullet and ordering one from Mark.

>>

>> Thanks Mark - This is a great piece of workmanship.

>>

>> -John

>>

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