Read Sharp MX-M550U / MX-M620U (serv.man2) Service Manual online
MX-M550/M620/M700 BLOCK DIAGRAM / ブロック図 2 - 3
3. SOFT NIC PWB / ソフト NIC PWB
CN1
(to controller)
PCI-Bus
Ethernet
Controller
DP83816
IC1
CN3
LAN I/F
EEPROM
IC3
1Kbit
OSC
X1
25MHz
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