Author: Christophe Theron
Date: 01:02:17 03/16/00
Go up one level in this thread
On March 15, 2000 at 18:22:03, Len Eisner wrote:
>On March 15, 2000 at 13:39:18, Christophe Theron wrote:
>
>>On March 14, 2000 at 22:47:17, Len Eisner wrote:
>>
>>>On March 14, 2000 at 20:01:39, Christophe Theron wrote:
>>>
>>>>On March 14, 2000 at 16:56:28, Pete Galati wrote:
>>>>
>>>>>On March 14, 2000 at 16:15:36, Christophe Theron wrote:
>>>>>
>>>>>>On March 14, 2000 at 14:55:01, Côme wrote:
>>>>>>
>>>>>>>NT
>>>>>>
>>>>>>
>>>>>>Yes it is possible. You can download a Palm emulator for PC from www.palm.com.
>>>>>>
>>>>>>But you'll need a Palm ROM to run the emulator, and the Palm ROM is copyrighted,
>>>>>>and not provided with the emulator.
>>>>>>
>>>>>>If you have a Palm, you can upload its ROM to your PC. The process is described
>>>>>>in the emulator package. This way you get a fully functional emulator.
>>>>>>
>>>>>>PocketChess runs fine on my PC, under the Palm emulator. But you need to know
>>>>>>that it runs 2 times slower than a standard PalmIIIx (I have a K6-2 400MHz).
>>>>>>That is about 5 times slower than my overclocked PalmIIIx.
>>>>>>
>>>>>>
>>>>>> Christophe
>>>>>
>>>>>You have an overclocked PalmIIIx? Amazing.
>>>>
>>>>
>>>>All PalmIII, PalmIIIx, PalmV and PalmVII can be overclocked by software. You do
>>>>not need to open the device. The processor's clock frequency can be adjusted by
>>>>software (that's one of the nice things of the DragonBall processor), and all
>>>>Palms are running by default far away from their limits.
>>>>
>>>>There is a freeware (actually there are several ones) that you can download to
>>>>overclock your Palm. I'm using AfterBurner 2.2. The Palm runs by default at
>>>>16.58MHz. Mine runs at 26MHz since 6 months without any problem. With
>>>>overclocking and adjustement of the hardware settings (zero wait states for
>>>>example), my Palm runs 2.5 faster than a normal one.
>>>>
>>>
>>>This means that ChessGenius running on an overclocked Palm should be stronger
>>>than the original 14MHz Roma 68020.
>>>
>>>I took a look at the spec sheets for both processors on Motorola’s WEB page.
>>>Based on this I would rate the Roma 14MHz 68020 at 4.25 MIPS and your
>>>overclocked Palm at 6.75 MIPS. So ChessGenius on an overclocked Palm should be
>>>faster, even without the Permanent Brain feature.
>>>
>>>By the way, here’s the information from the Motorola Spec Sheets:
>>>MC68020: 10 MIPS @ 33 MHz
>>>MC68EZ328: 2.7 MIPS @ 16.58 MHz
>>>
>>>Len
>>
>>
>>I fear this is not so simple. I'm not sure Motorola's figures about the speed of
>>the DragonBall EZ can be taken as is.
>>
>>Somebody who has been in contact with Richard told me that the normal Palm
>>is the equivalent of a Roma running at 12 MHz on a 68000.
>>
>>So I'm a little bit lost. Did the original 1987 Roma include a 68020 or a 68000?
>>At which frequency?
>>
>>
>>
>> Christophe
>
>The original Roma program came in two speeds: 12 mhz 68000 and 14 mhz 68020.
>The 68020 version was very expensive as I recall.
>
>I guess ChessGenius on the Palm at 16 mhz is comparable in speed to the Roma 12
>mhz 68000, and the overclocked Palm (2.5 times faster) is about 47% faster than
>the Roma 68020 (6.75MIPS vs. 4.25 MIPS).
>
>Of course, the original Roma program had the permanent brain feature, and that
>should be worth at least 30 points.
>
>Len
And it certainly had a better opening book. Chess Genius for Palm is almost
always out of book after 5 to 8 moves.
Christophe
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