aldweb

Close I. aldweb

Close II. PC Freeware

Close III. Palm Freeware

Close IV. Palm Shareware

Close V. iziBasic Palm

Close VI. Palm Knowledge

Close VII. Pocket Computer

Close VIII. miniPortail

Special !

Mobile version of
the aldweb Site
m.aldweb.com

Neither French, nor English?

Try one of these flags then:
[de] [es] [it] [pt]
Search




Weather / Spam / www

Lyon Weather

aldweb against spam

Newsletter
To receive news about this website, consider subscribing to our Newsletter.
Subscribe
Unsubscribe
298 Subscribers
Family's web sites

Webmaster - Infos
Write to aldweb  Webmaster
Add to bookmarks  Bookmarks
Recommend this site to a friend  Recommend
Mobile version  Mobile version
Friends News
Visits

   visitors

   visitors online

Poll
What do you think of the new design of the aldweb Site?
 
Great !
Beautiful
Average
So ugly...
Results
forum.gifForum - Pocket Computer - Topic #573

Forum - Forum
Pocket Computer - Pocket Computer


Warning: A non-numeric value encountered in /web5/aldweb/www/aldweb_com/www/thread.php on line 257

active  Topic # 573  Overclocking and tape recording

25/07/2003 @ 10:55
by Pierre Brial

Anonymous
You probably know that it is very easy to overclock the 1980's Sharp PC. You simply have to replace the 768 khz oscillator (the most easy to access component) with a faster one.
But this will be increase also the speed of tape recording, then it will not be possible to load previously recorded programs, connect together 2 Sharps with different oscillator, or use the wav2bin utility.
Nevertheless, I found a trick to overcome this limitation. You have first to save or record the program with your sound card as a wave file. Then with a sound editor, you can change the lenght of the sound. The ratio is simply the value of the new oscillator divided by the value of the old one. This work fine for me :
I put a 1 Mhz (1000 khz) oscillator in a PC-1262 and in a PC-1403.
If I want to convert from 1 Mhz to 768 khz I use the shareware Goldwave :
Menu EffectTime Warp speed 0.768 (=768/1000)
For the inverse operation, the value of speed is 1.3021 (=1000/768)

All the best,

Pierre
Write to Pierre Brial   Post an answer  Top

Warning: A non-numeric value encountered in /web5/aldweb/www/aldweb_com/www/thread.php on line 497
Answer n° 1
--------
28/07/2003 @ 15:07
by aldweb

Anonymous

visitor
 Thanks Pierre for giving this great feedback about your experience.

For those who would like to know how to proceed with this overclocking, there are some excellent explanations (with photos) on the web site of Simon.

Greetz,
aldweb
Write to aldweb   Post an answer  Top

Warning: A non-numeric value encountered in /web5/aldweb/www/aldweb_com/www/thread.php on line 497
Answer n° 2
--------
12/06/2005 @ 19:01
by aldweb

Anonymous

visitor
 The web site of Simon changed of URL. It is now: http://www.lehmayr.de

Cheers,
aldweb

@+
aldweb
Write to aldweb   Post an answer  Top
active topic active   closed topic closed   Sticky Sticky   New New message   -   Correct Correct message   Close Close topic   Make sticky Make sticky
[]
Forum Topic  Forum 



 
^ Top ^