OT: Sharp PC-1246S
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07-14-2011, 03:59 PM
07-14-2011, 04:31 PM
I tend to think it's a speedup switch rather than a memory switch. OT: I once had one of those 1246S. The rubber coated keyboard is awful, the contact domes under the rubber were very unreliable...
07-14-2011, 04:48 PM
Quote: It's hard to tell from the third photo, but there could be a second RAM chip soldered on top of the other with the red switch selecting one of the two. The way to find out would be to enter a short program, set the switch to the other position and see, if it's still there. And vice-versa.
07-14-2011, 04:51 PM
Does not increase the speed I've tested (Calculator Speed Benchmark using the N-Queens Problem)
07-14-2011, 04:53 PM
Max, it may likewise be a higher capacity RAM but the effects of the switch are probably the ones you suppose.
07-14-2011, 04:55 PM
I've tried and nothing has changed (program)
07-14-2011, 06:50 PM
Possibly with double the memory, and the switch selects between two banks?
07-14-2011, 07:05 PM
Memory (MEM) reports 7,422 bytes in any position
07-14-2011, 07:16 PM
That's basically what I said. I think you'll find that it's not just the variables. |
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