[rescue] SB2500 Silver follow up.

[Peter Stokes]

Hi William

In general the ECC reg parts will work, but not parity ones. Some of the later
systems wanted PC2700 and failed on PC2100, but I did not think the SB2500 was
one of them. The Red systems came with PC2100 originally if I remember
correctly.

I would suggest buying a pair to try to start with unless the seller is
guaranteeing they work.

Peter
> On 21 Sep 2021, at 22:02, William Barnett-Lewis <wlewisiii at gmail.com>
wrote:
>
> According to appendix c of the service manual a 4GB Kit would be 2x2GB
> Modules 184 Pin 2.5v DDR333 ECC Registered Dimm
>
> Or they might be DDR266 as that's what I see for sale on Ebay. OTOH,
> that's what I am returning as it didn't work so perhaps the bus speed
> (333 vs 266) is the issue? I don't really know,
>
> PC2100 vs PC2700? If I'm reading things correctly (hah!) the key
> should be the ECC Registered part. Otherwise it's just normal PC ram.
>
> William
>
> On Tue, Sep 21, 2021 at 3:35 PM Peter Stokes <peter at ashlyn.co.uk> wrote:
>>
>> Hi William
>>
>> I am in the U.K. and have some keyboards and mice, but suspect you are in
the
>> US which makes shipping expensive.
>>
>> On the 2Gb memory, what is the exact spec on them?
>>
>> Peter
>>
>> Sent from my iPad
>>
>>> On 21 Sep 2021, at 20:39, William Barnett-Lewis <wlewisiii at gmail.com>
>> wrote:
>>>
>>> o;?Thanks to all who have helped me with this project so far.
>>>
>>> I am now at
>>> 2x1.6 ghz Ultrasparc IIIi
>>> 8 gb
>>> 1x73gb 1x146gb and DVD
>>>
>>> Firmware is now at 4.30.4.a
>>> OS is 10 u11 with patches.
>>> I have Medley Interlisp built and running fine.
>>>
>>> Still want to upgrade to 16gb but the set I bought give 3 beeps and
powers
>>> off when I try them.
>>>
>>> So I am still looking for:
>>>
>>> 8x2gb dimms
>>> Type 6 or 7 USB keyboard and mouse and if cheap  enough a 300gb +
UltraSCSI
>>> drive and a Sun PCI IIIPro pc coprocessor for giggles.
>>>
>>> Thanks!
>>>
>>> William
>>> _______________________________________________
>>> rescue list - http://www.sunhelp.org/mailman/listinfo/rescue
>> _______________________________________________
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>
>
>
> --
> https://wlewisiii.500px.photography/
> Live like you will never die, love like you've never been hurt, dance
> like no-one is watching.
>                Alex White
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