The instructions to reset to factory presets are in this message: http://launch.groups.yahoo.com/group/korg01w-list/message/6074

Excerpt:How to Re-Load All Combi/Prog/Kit Factory Settings
(from page 126 of the Percussion Manual
)
The steps below will re-install the factory settings. Note you can
re-load these settings at any time without re-initializing the entire
01/W 01/W> .
How to Re-Load All Combi/Prog/Kit Factory Settings 1 Press GLOBAL
to enter Global Mode. 2 Press “7″ to go to Page 7. 3 Select “Load
Combi/Prog” (on the top line). 4 Press G or H to execute the “LOAD”
command.
If you see the message “ERROR: Memory Protected”:
a. Press “4″ to go to Page 4.
b. Go to the bottom line (”Protect”).
c. Change the settings to show “Prog:OFF” and “Combi:OFF”.
To turn Prog OFF: Press button “A”, “B”, “C”, or “D”. Press VALUE
DOWN once.
To turn Combi OFF: Press button “E” or “F”. Press VALUE DOWN once.
d. Go to Step 2 above. 5 The 01 will ask “Are You Sure? Yes No”.
Notice that “yes” is positioned over buttons E and F. Pushing either
E or F means “yes”.
Notice that “no” is positioned over buttons G and H. Pushing either
G or H means “no”. 6 Push E or F. The message “Completed” should
appear.
Your 01 should now be as it came from the factory.

NOTE: This process disables the 01 from receiving System Exclusive MIDI
messages. To receive SysEx messages, go to GLOBAL Mode, Page 0, Line 6,
button F or G, and press VALUE UP one or more times to change EXCL from
DIS to ENA.
How to Re-Load a Factory Setting
Follow the steps below to re-install a single Combi, Prog, or Drum Kit
factory setting.
How to Re-Load a Factory Setting 1 Press GLOBAL to enter Global
Mode 2 Press “7″ to go to Page 7 3 Select the setting you want to
load. You can load a single Combi, Prog, or Drum Kit.
You can re-load everything, including Drum Kits, by selecting “Load
Combi/Prog” 4 For loading a single Combi/Prog/Kit:
Press A, B, or C to highlight the “source” side of the arrow.
Use the VALUE Slider/Buttons or Direct Entry to select the number of
the Combi/Prog/Kit you want to load from ROM. (for a list of ROM
contents, click here for Progs
or here for Combis
).
Press D, E, or F to highlight the “destination” side of the arrow.
Use the VALUE Slider/Buttons or Direct Entry to select the location
where you want to store the item in Active Memory. 5 Press G or H to
execute the “LOAD” command
If you see the message “ERROR: Memory Protected”:
a. Press “4″ to go to Page 4.
b. Go to the bottom line (”Protect”).
c. Change the setting to “Prog:OFF” or “Combi:OFF”, depending on which
you are trying to load.
To turn Prog OFF: Press button “A”, “B”, “C”, or “D”. Press VALUE
DOWN once.
To turn Combi OFF: Press button “E” or “F”. Press VALUE DOWN once.
d. Press “7″ to return to Page 7. Go to Step 3 above. 6 Your 01 will
ask “Are You Sure? Yes No”
You’ll notice that “yes” is positioned over buttons E and F. Pushing
either E or F means “yes”
You’ll notice that “no” is positioned over buttons G and H. Pushing
either G or H means “no” 7 Push E or F
Your 01 setting should now be in the destination you selected.

Also wondered if anyone knows if all the factory presets
will still be on the machine when I put a new batter in.

And if now, where would I get the presets? Korg?

Thanks in advance for your advise.

Scott Forman