Memory - Sharp AR-P13 Service Manual

1.1.3

Memory

U7
EEPROM
4Kbit
• Program ROM SIMM
8Mbyte Flash ROM
This memory houses the operating programs for printer functions and standard font data.
• SDRAM (U51, 52)
16Mbyte x 2 units=32Mbyte SDRAM
This is controlled by Double Finger and is used as the main memory for the printer board.
• EEPROM (U7)
4Kbit EEPROM
This memory stores the setting details for the printer environment set by the user. This is a non-volatile memory in which
data can be written and deleted. The details saved in it are preserved even if the power of the copier is turned off.
• SDRAM DIMM (Option)
Optional 32Mbyte SDRAM
This is controlled by Double Finger and is used as the main memory for the printer board.
Program ROM SIMM 8Mb Flash ROM
SD-RAM DIMM (Option) 32MB
16Mb SDRAM x 2
U52
4-11
U51