Gestetner B003 Service Manual page 290

BOARD STRUCTURE
1. CPU. Employs QED RM5231. Clock frequency: 200 MHz.
2. ASIC: SIMAC. Uses a dedicated chip developed for use with GW architecture.
The CPU and memory I/F employ a 100 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.
3. SDRAM. Comprises a 32 MB RAM chip, expandable with a 32 MB or 64 MB
SDRAM.
4. System Flash ROM. Provided with an 8 MB Flash ROM for the system OS and
copier application.
5. Flash ROM DIMM Slots. Two slots are provided for two ROM DIMMs (4 MB or
8MB). Expansion slots provided for the optional printer, scanner, facsimile, and
PostScript 3 applications.
6. NVRAM. 32 KB of NVRAM are provided for the system. 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. NVRAM also has the RTC (Real Time Clock) for time
management.
NOTE: Optional NVRAM, which can store to 400 user accounts, can be
installed on the controller.
7. HDD. A 3.5" HDD (more than 10 GB) can be connected using an IDE I/F. The
hard disk is partitioned as shown below.
Partition
File System 1
File System 2
File System 3
Image TMP
1
Image LS*
Image Area
Management
Job Log
Total
*1
When 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.
B003/B004/B06/B007
Size Function
500 MB Downloaded fonts,
forms.
200 MB Job spooling area.
1500 MB Work data area
2780 MB Collation, sample print,
protected print.
4320 MB Document server, local
storage archive
Stores image area
100MB
information
10 MB Job log.
10 GB
6-8
Power OFF
Remains
Erased
Remains Used for document
server application.
Erased Commonly used area
for applications. Stores
copy, printer, fax, and
Remains
scanner data.
Storage capacity:
About 9000 pages
(3,000 files)
Remains
Remains
Remains
Comment
SM