BOARD STRUCTURE
SM 6-7 G065
Detailed
Descriptions
1.
CPU
. Employs RM7000A-300. Clock frequency: 300 MHz.
2.
ASIC: CELLO
. Uses a dedicated chip developed for use with GW architecture.
These components perform CPU and I/F control and also control: memory,
local bus, interrupts, PCI bus, video data, HDD, network, operation panel, and
IEEE1284.
3.
SDRAM
. Comprises a 64 MB RAM chip, expandable with a 64 MB or 128 MB
or 256 MB SDRAM.
4.
System Flash ROM
. Provided with an 12 MB Flash ROM for the system OS,
MIB, PJL, RPCS, PostScript3 and PCL6.
5.
NVRAM
. 32 KB of NVRAM are provided for the system. The NVRAM stores
many settings, including OS system log information settings, calendar settings,
current system settings, all printer settings, and network settings. The NVRAM
also employs an RTC (Real Time Clock) for time management.
6.
HDD.
A 3.5" HDD (more than 10 GB) can be connected using an IDE I/F. The
hard disk is partitioned as shown in the table below.
Area Size Usage Remarks
File System 1 500 MB Font download, form registration. Remain after power off/on.
File System 2 500 MB Job spool area. Erased at power off.
Image TMP1
2000 MB
Collation, sample print and
locked print.
Erased at power off.
Image TMP2
500 MB
Collation Erased at power off.
Image TMP3
500 MB
Collation and locked print. Erased after power off.
Job Log 10 MB Job log. Remain after power off/on.
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