Main Board - Samsung SCX-472 series Service Manual

2. Product specification and description

2.2.5.1. Main board

Chorus3–Next(C3N) chip is adopted as the main processor. Its process speed is 533 MHz. It is integrated engine controller,
video controller, scan controller.
DDR2 128MB is adopted for high speed data processing. Boot has 16 MB SPI + 4 MB SPI.
USB is the embedded type and wired network supports 100M full duplex.
[Main board diagram]
DDR3
EEP ROM
(64KB)
ca Bus
2-21
Main P ro ces s o r
Ch o ru s 3-Next
533MHz
S CAN FAX P BA
16MB
S P I #1
S e ria l Nor
S P I #2
4MB
S e ria l Nor
S P I #3
UAR T
100B a s e d TX
US B _DP /DM.
Loca l Bus
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WLAN
P BA
OP E P BA