Ricoh G104, Service Manual

Page: 291 / 601

CONTROLLER
SM 6-63 G104
Detailed
Des
cription
s
6.9 CONTROLLER
6.9.1 OVERVIEW
The controller uses GW architecture.
1. CPU : PMC RM7035C (533MHz)
2. TRUMPET : GW architecture ASIC. It controls the interface with the CPU and
controls these functions: memory, local bus interrupts, PCI bus, video data,
HDD, SD card for booting and image processing.
3. SHAKER : IO control ASIC. It controls the network, operation panel, USB port,
SD cards.
4. SDRAM DIMM (2 slots) :
128 MB SDRAM (resident)
Can be increased to 512 MB with two 256 MB SDRAM.
5. Flash ROM : 8 MB flash ROM programmed for the boot system.
6. SD card (Boot) : The 32 MB SD card installed in the SD card slot #1 includes
the program for system, network application, printer, PCL5c, PS3 and RPCS
applications and internal printer fonts.
Flash ROM
8 MB
FRAM
32KB
DDR SDRAM
DIMM x 2
PCI I/F PCI I/F
CPU
SDRAM
DIMM I/F
Network
I/F
Controller
BUS
PHY
IEEE802.11b
SD Slot
#2, #3
IEEE1394 I/F
Bluetooth
IEEE1284 I/F
Trumpet Shaker
IDE I/F
HDD
SD Slot
#1
SD Card
(Boot)
Engine I/F
NVRAM
I/F
USB
I/F
EEP
ROM
NV RAM
Board 64KB
G105D920.WMF
CÓPIA NÃO CONTROLADA
CÓPIA NÃO CONTROLADA