Controller; Overview - Ricoh G104 Service Manual

6.9 CONTROLLER

6.9.1 OVERVIEW

Controller
Flash ROM
8 MB
CPU
Trumpet
SDRAM
IDE I/F
DIMM I/F
DDR SDRAM
HDD
DIMM x 2
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.
SM
CÓPIA NÃO CONTROLADA
BUS
FRAM
SD Slot
Engine I/F
#1
SD Card
(Boot)
6-63
CÓPIA NÃO CONTROLADA
IEEE1394 I/F IEEE1284 I/F
IEEE802.11b Bluetooth
PCI I/F PCI I/F
Shaker
PHY
32KB
NVRAM Network USB
I/F I/F
NV RAM
Board 64KB
CONTROLLER
EEP
ROM
SD Slot
#2, #3
I/F
G105D920.WMF
G104