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Design Guide 5
Intel
®
31244 PCI-X to Serial ATA Controller
Contents
Figures
1Intel
®
31244 PCI-X to Serial ATA Controller Block Diagram......................................................14
2 Quad Serial ATA Host Bus Adapter............................................................................................15
3 Packaging Considerations..........................................................................................................17
4 Package Information: 256-pin PBGA..........................................................................................22
5 PBGA Mapped By Pin Function..................................................................................................23
6 Examples of Stubless and Short Stub Traces ............................................................................25
7 Crosstalk Effects on Trace Distance and Height ........................................................................26
8 PCB Ground Layout Around Connectors....................................................................................26
9 Cross Section of Differential Trace.............................................................................................29
10 LED and Serial EEPROM Configurations...................................................................................34
11 Intel
®
31244 PCI-X to Serial ATA Controller Connection Scheme - Normal Mode ....................38
12 Intel
®
31244 PCI-X to Serial ATA Controller HBA Stackup........................................................39
13 Write Backplane Topology..........................................................................................................40
14 Read Backplane Topology..........................................................................................................41
15 Microstrip Stackup ......................................................................................................................43
16 Stripline Stackup.........................................................................................................................44
17 Single-Slot Topology...................................................................................................................52
18 Embedded Intel
®
31244 PCI-X to Serial ATA Controller
Design with Single PCI-X Load...................................................................................................53
19 Embedded PCI-X Design With Multiple Loads ...........................................................................54
20 Serial ATA Direct Connect..........................................................................................................55
21 Serial ATA Connectors Cable to Host Connections ...................................................................56
22 Serial ATA Host Connectors.......................................................................................................57
23 Serial ATA Cable Signal Connections ........................................................................................58
24 Serial ATA Eye Diagram.............................................................................................................62
25 Extended Mode Receiver Example ............................................................................................63
26 Extended Mode Driver Example.................................................................................................64
27 Intel
®
IQ31244 PCI-X to Serial ATA Controller Evaluation Platform Board
Block Diagram ............................................................................................................................67