[Info-vax] rx2660 & 1.6 GHz CPU with 24 MB Cache (Itanium 9050)

[Eberhard Heuser]

Am 28.06.2016 um 10:05 schrieb fhsjvl--- via Info-vax:
> On Monday, June 27, 2016 at 12:45:04 PM UTC+2, Eberhard Heuser wrote:
>> Hi,
>>
>> for those who want to use the most powerful Itanium CPU in a rx2660 box
>> here's some info:
>> Though you'll find that only a 9040 CPU is supported (1.6 GHz 18MB
>> Cache), but the more powerful 9050 CPU
>> (1.6 GHz 24 MB Cache) runs OK, too (at least with the latest available
>> firmware):
>>
>> PROCESSOR MODULE INFORMATION
>>
>>              # of               L3      L4      Family/
>>      CPU     Logical            Cache   Cache   Model Processor
>>      Module  CPUs     Speed     Size    Size    (hex.)   Rev  State
>>      ------  -------  --------  ------  ------  -------  --- ------------
>>        0        2      1.6 GHz   12 MB    None   20/00    C2 Active
>>        1        2      1.6 GHz   12 MB    None   20/00    C2 Active
>>
>> FIRMWARE INFORMATION
>>
>>      System Firmware A Revision: 4.32 [5321]
>>     *System Firmware B Revision: 4.32 [5321]
>>
>> The OpenVMS boot went OK, too.
>> -- 
>> Eberhard Heuser
> Indeed the 2007 QuickSpecs of the rx2660 do not list the 9050 processor, the fastest "Montecito" processor.
>
> It should be noted that the rx2660 can also have the more recent Itanium 9100 series "Montvale" processors, running at 1.66 GHz. We see the same thing here: the most recent rx2660 QuickSpecs I have (version 28, September 2009) list the 18 MB L3 cache
> processor (9140) as the "Maximum", while the 24 MB L3 cache processor (9150M, 9150N and 9152M) is not mentioned.
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>

Very interesting. The 9150 Itanium has the same clock rate and the same 
cache size. Is the CPU faster than the 9050?

An upgrade to a 93xx would be nice but presumably impossible...

Eberhard