Benchmarks 71B versus 48GX
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05-04-2014, 10:56 PM
Post: #6
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RE: Benchmarks 71B versus 48GX
(05-03-2014 01:57 AM)Mark Hardman Wrote: HP-28C Sorry, this is wrong. The HP-28C use the same LC frequency generator like in the HP-71B, so the CPU strobe frequency is 600-650 KHz. You can peek the 5 nibble =CSPEED content (#4F00Fh) on a HP-28C with an external peek program. The 5 nibble content is the CPU strobe frequency divided by 16. So a content of #09C05h mean: #09C05h -> #39941d * 16 = #639056d -> ~640 KHz. (05-03-2014 01:57 AM)Mark Hardman Wrote: HP-48GX This is also a mistake. Only very early HP48G Series calculators had a strobe frequency of 4 MHz. The frequency was then reduced to a nominal speed of ~3.68 MHz. |
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