Controller
G160/G161 6-24 SM
6.7 CONTROLLER
6.7.1 OVERVIEW
The controller uses GW (Ground Work) architecture.
1. CPU: PMC RM7035C (598 MHz)
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. QUENA: IO control ASIC. It controls the network, operation panel, USB
port, SD cards.
4. SDRAM DIMM (2 slots):
Model G-P2a/P2b: 256 MB SDRAM (resident)
Can be increased to 512 MB with the optional SDRAM (128/256 MB SDRAM).
5. Flash ROM: 32 MB flash ROM programmed for the boot system. This
includes the program for system, network application, printer, PCL5c, PS3
and RPCS applications and internal printer fonts.
6. NVRAM: 32 KB FRAM for the printer parameters, logged data and a
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