Dell GCR-8481B Service Manual page 17

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• IC501 (CXD3045R) : DSP+ATAPI DECODER+DRAM+µ-COM
Block Diagram
* is connected to µ-com port inside.
D0~7*
A0~6*
XRD*
XWR*
XCS*
XINT*
XWAT*
XTL
1
XTL
2
PWM2N
PWM2P
PWM1N
PWM1P
DOUT
FOK
MIRR
DFCT
SAO
TAO
FAO
BSSD
15

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