Controller Board [G112 Series] - Ricoh G112 Service Manual

BOARD STRUCTURE

6.2.4 CONTROLLER BOARD [G112 SERIES]

OPTION 3V DEVICE
FRAM
IC CARD I/F
SFRAM
LVC16245
5V
VOLTAGE
REGULATOR
The PICCOLO ASIC controls all the functions of the printer controller
PICCOLO
board.
CPU TX4955 300 MHz (G094/G095/G112); 372 MHz (G113)
Resident: 64 MB SDRAM (G094/G095/G112); 128 MHz SDRAM (G113)
RAM
Option: 1 slot SDRAM DIMM (64/128/256 MB)
Flash: 16 MB ROM (Emulation)
ROM
Mask: 4 MB (PCL/PS font)
NVRAM Stores the controller settings
HDD 6 GB
G112/G113/G116/G094/G095/G091
5V DEVICE 5V BUS 3V BUS
RA2K ROM-DIMM
FLASH ROM
ROM-DIMM I/F FONT ROM
(CODE ROM)
ADDRESS
DATA (LAD)
LVC16373
5V
3.3V
RESET
1.5V
G113/G095 Only
ASIC PICCOLO
MII I/F
NIC I/F
NIC I/F
IEEE1284 I/F
6-8
HDD BOARD
OPTION HDD
I/O PORT
I/F
USB2.0
ENGINE I/F
USB2.0
I/F
G094D524.WMF
CLOCK
GENERATOR
DEBUG I/F
CPU
PCI OPTION
I/F
PCI OPTION
SM