[Coco] FREE Services For Members Of The CoCoList at Malted Media

Mark Marlette mark at cloud9tech.com
Fri Apr 20 12:10:02 EDT 2007


Roger,

Any 1/2 meg board will allow those 1megger to be used. Don't throw them! :)

Mark

Quoting Roger Merchberger <zmerch-coco at 30below.com>:

> Rumor has it that coco at yourdvd.net may have mentioned these words:
>> i've got the 3 8 and 9 chip versions. My question is, do i need to
>> verify that they are 256k or if i send larger simms (they're all 30
>> pin), as long as they are 8/9 chip, will they work as 256k simms in
>> your card? i can plug up and old 486 and verify them if i need to. I
>> bought a lot of them because i thought i might need them one day.
>> Bought all i could find regardless of mem size, but i want to make sure
>> i send useable simms. -r
>
> Only the 8 or 9 chip 256K Simms (the 9th chip is parity, which is
> ignored) will work on a CoCo - Mark already educamated me on that fact
> in the past. It all has to do with DRAM timing issues, and the 1Mbit
> chips just aren't refreshed the same as the 256kbit chips.
>
> I have 80 1Meg 9-chip 30-pin Simms available from an old DEC
> 3-processor 486 server, it rather sucks that I can't use any of them
> for any of my CoCo (or other classic) equipment. I wish I had enough
> knowledge to make 'em into a nice 80Meg Solid State Drive ... IMHO that
> would be kewl beyond belief!
>
> Laterz,
> Roger "Merch" Merchberger
>
> --
> Roger "Merch" Merchberger   | Anarchy doesn't scale well. -- Me
> zmerch at 30below.com.         |
> SysAdmin, Iceberg Computers
>
>
> --
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> Coco at maltedmedia.com
> http://five.pairlist.net/mailman/listinfo/coco






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