2-4
Service Guide
2.1.2 Block Diagram
A simplified block diagram of the PCI1250 is provided in following figure. The PCI interface
includes all address/data and control signals for PCI protocol. The interrupt interface includes
terminals for parallel PCI, parallel ISA, and serialized PCI & ISA signaling. The ring indicate
terminal is included in the interrupt interface, since it's function is to perform system wake-up on
incoming PC Card modem rings. Miscellaneous system interface terminals include GPIO signals,
PC/PCI DMA support signals, and socket activity LED signals.
Figure 2-1
PCI1250 Block Diagram
Summary of Contents for 390 Series
Page 15: ...System Introduction 1 3 Figure 1 2 PCB No 96183 1A Mainboard Layout Bottom ...
Page 96: ...2 50 Service Guide 2 3 3 Pin Configuration Figure 2 4 FDC37C67 TQFP Pin Diagram ...
Page 97: ...Major Chips Description 2 51 Figure 2 5 FDC37C67 QFP Pin Diagram ...
Page 102: ...2 56 Service Guide 2 3 6 Block Diagram Figure 2 6 FDC37C67 Block Diagram ...
Page 126: ...2 80 Service Guide 2 5 4 1 Functional Block Diagram Figure 2 10 M38813 Block Diagram ...
Page 128: ...2 82 Service Guide 2 6 2 Pin Diagram Figure 2 11 YMF715 Block Diagram ...
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