Expanding The Memory; Precautions For Expanding Memory; How To Expand The Memory - Roland MC-808 Owner's Manual

Expanding the memory

The MC-808 comes with 4 MB of memory into which audio samples can be loaded. However, in some cases, 4 MB of memory will be
insufficient for loading large amounts of data. In such a case, you will have to add separately sold memory (DIMM). Memory can be
expanded up to 512 MB.
Before expanding the memory, consult with your retailer, the nearest Roland Service Center, or an authorized Roland distributor.
Precautions for expanding
memory
901
• To avoid the risk of damage to internal components that can be
caused by static electricity, please carefully observe the following
whenever you handle the board.
1
• Before you touch the board, always first grasp a metal object
(such as a water pipe), so you are sure that any static
electricity you might have been carrying has been discharged.
2
• When handling the board, grasp it only by its edges. Avoid
touching any of the electronic components or connectors.
5
• Save the bag in which the board was originally shipped, and
put the board back into it whenever you need to store or
transport it.
• Use a Phillips screwdriver that is suitable for the size of the screw
(a number 2 screwdriver). If an unsuitable screwdriver is used,
the head of the screw may be stripped.
• To remove a screw, rotate the screwdriver counter-clockwise. To
tighten the screws, rotate the screwdriver clockwise.
fig.Screw.e
loosen
• Be careful that the screws you remove do not drop into the
interior of the MC-808.
• Be careful not to cut your hand on the edge of the cover or the
opening edge while removing the cover.
911
• Do not touch any of the printed circuit pathways or connection
terminals.
912
• Never use excessive force when installing a circuit board. If it
doesn't fit properly on the first attempt, remove the board and try
again.
913
• When circuit board installation is complete, double-check your
work.
928
• When turning the unit upside-down, get a bunch of newspapers
or magazines, and place them under the four corners or at both
ends to prevent damage to the buttons and controls. Also, you
should try to orient the unit so no buttons or controls get
damaged.
929
• When turning the unit upside-down, handle with care to avoid
dropping it, or allowing it to fall or tip over.
• Do not leave the bottom cover removed. After installation of the
memory module is complete, be sure to replace the cover.
140
tighten

How to expand the memory

Install the memory module after removing the bottom panel cover.
1.
Before expanding the memory, turn off the power of the
MC-808 and all connected devices, and disconnect all
cables, including the Power cord, from the MC-808.
2.
Turn the MC-808 over, remove the screws indicated in the
following diagram, and remove the cover.
fig.Exp-01.e_90
3.
Press outward on the white clips at either end of the socket
so they are in their downward position.
fig.DIMM-01
Screws to be removed