Ricoh B156 Service Manual page 379

4. SDRAM (on-board):
768 MB SDRAM (512MB + 256MB)
5. SD Card Slots:
Three slots are provided for three SD cards. Slot 1 is for the printer and
scanner applications (standard). Slot 2 is for the PostScript 3 or the Data
Overwrite Security applications (optional). Slot 3 is for service purposes, such
as firmware updates.
6. NVRAM:
Stores the engine and controller settings
7. PCI Interface:
For installing the FCU board, File Format Converter, IEEE1394, Bluetooth,
IEEE1284 and wireless LAN. The IEEE1394, wireless LAN, Bluetooth and
IEEE1284 cannot both be installed on the same machine at the same time.
8. HDD:
Used for the document server. Also used for collation, locked print, sample
print, form overlay, and font storage. The hard disk is partitioned as shown
below.
Partition 40GB HDD
Image Local
15,000 MB
Storage
File System 1 500 MB
File System 2 1,000 MB
File System 3 2,400 MB
File System 4 500 MB
Image TMP 16,800 MB
Job Log 10 MB
Swap 406 MB
SDK 1,200 MB
Address book/
2,000 MB
Mil data
Others 1,276 MB
Total 41,092 MB
SM
CÓPIA NÃO CONTROLADA
Function
Document server
Downloaded fonts,
forms.
Job spooling area
Work data area
Temporary print image
file
Commonly used area for
applications
Copier application
Printer application
Scanner application
Job log
Debug, Swap
SDK application
Address book/ Mail box/
Net files
Stamps/ SAF thumbnail
etc.
6-13
CÓPIA NÃO CONTROLADA
BOARD STRUCTURE
Comment
Remains stored even after cycling
power off/on.
Remains stored even after cycling
power off/on.
Erased after power off.
Remains stored even after cycling
power off/on.
Erase after power off.
Erased after power off.
Erased after power off.
Erased after power off.
Erased after power off.
Remains stored even after cycling
power off/on.
Remains stored even after power
is turned off/on.
Remains stored even after power
is turned off/on.
Remains stored even after power
is turned off/on.
Remains stored even after power
is turned off/on.
B156/B200