Ricoh B089 - Page 57

BOARD STRUCTURE
SM 1-19 B089/B093
Overall
Information
CPU:
RM5261. Clock frequency: 400 MHz.
MARIMBA ASIC:
This is a dedicated chip developed for use with RA2K. The CPU and memory I/F
employ a 124 MHz bus (32 bit). These components perform CPU and I/F control
and also control all of the following functions: memory, local bus, interrupts, PCI
bus, video data, HDD, network, operation panel, IEEE1284, and image processing.
SDRAM:
This is a 64 MB RAM chip, expandable with a 128 MB or SDRAM.
System Flash ROM:
8 MB Flash ROM for the system OS and copier application.
Flash ROM DIMM Slots:
Two slots are provided for two ROM DIMMs (4 MB or 8MB). Expansion slots
provided for the optional printer/scanner and PostScript 3 applications.
NVRAM:
32 KB of NVRAM are provided for the system. The NVRAM stores many settings,
including OS system log information, copier calendar, current system settings, user
accounts (max. 100) and all settings for the fax, printer, scanner, and network. The
NVRAM also has an RTC (Real Time Clock) for time management.
NOTE: Optional NVRAM, Which can store up to 400 user accounts, can be
installed on the controller.
HDD:
A 2.5" HDD (more than 20 GB) can be connected using an IDE I/F. The hard disk
is partitioned as shown below.
Partition Size Function Power OFF
File System 1 500 MB Downloaded fonts, forms. Remains
File System 2 500 MB Job spooling area. Erased
File System 3 2000 MB Work data area Remains
*1
Image TMP 3780 MB Collation, sample print, locked print. Erased
*3
Image LS
*2
3055 MB Document server, local storage archive Remains
*3
SAF Thumbnails 300 MB Stores the SAF thumbnails Remains
Job Log 10 MB Job log. Remains
Address Book 100 MB Stores address book data Remains
Mail RX 200 MB Stores mail RX images Remains
Image Transfer 1000 MB Stores images for transfer Remains
Capture 500 MB Stores captured images Remains
Others 1362 MB Remains
Total 13.3 GB
*1
Used for document server application.
*2
Wen an application uses an image page, first it uses the Image LS area. If this area
is in use and not available, then it uses the Image TMP area.
*3
Commonly used area for applications. Stores copy, printer, fax, and scanner data.
Storage capacity: About 9000 pages (3,000 files)