Xerox PHASER 3124 Service Manual page 104

General Procedures and Information
Hardware Structure and Descriptions
The printer is basically controlled by the main PBA. The Phaser 3124/B main PBA uses a
Jupiter4E processor while the Phaser 3125/B and Phaser 3125/N uses a SPGP V3 processor.
The processor provides integrated printing functions such as the printer video controller, laser
scan unit controller, PWM controller and bi-polar stepper motor controller and has USB and IEEE
1284 parallel interface capacity.
Flash Memory
- Capacity
Phaser 3124/B - 0.5MB ASIC built flash memory
Phaser 3125/B and Phaser 3125/N : 8MB
- Access Time : 70 nsec
DRAM
- Phaser 3124/B : 8MB
- Phaser 3125/B and Phaser 3125/N : 32MB
- Access Time : 60 nsec
6-10
Figure 4 :Hardware Structure
09/06 PHASER 3124 / PHASER 3125