UP-5900 (serv.man7). UP5900 Option Manual - Sharp EPOS Service Manual (repair manual). Page 8

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UP-5900VI
Removing the FDD unit
– 6 –
8) Install the FDD COVER 
M
 to the FDD FRONT COVER 
N
.
9) Install the FDD COVER UNIT 
M
N
 to the bottom cabinet.
10. Removing the FDD unit
Install the FDD unit. In the reverse order of replacing.
11. Extention RAM module, Memory 
Module: DIMM
1) Remove the top cabinet.
2) Install the option D-RAM 
1
 to the D-RAM connector: CN13 (CN14)
2
 on the Main PWB.
a) Insert a D-RAM into the D-RAM connector.
b) Push the D-RAM until the D-RAM disk is correctly locked by the
arms of D-RAM connector.
3) Remove the option D-RAM disk.
a) Open the arms of D-RAM connector right and left.
b) The D-RAM disk will be lifted automatically.
1 7
1 8
17
18
[Device]
168 pin DIMM (128Mbytes)
[Specification]
168pin.DIMM
Type
SD-RAM type
Access time
PC100 (more than)
Power
3.3V
Refresh cycle
4096/64 msec.
Refresh type
AUTO
Power consumption
1400 mA (less than)
2
1
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