PCI-X Layout Guidelines

Figure 16. PCI-X Data Bus PICMG 1.2 Style Backplane

Intel® 31154 133 MHz

 

 

 

 

 

 

 

PCI Bridge

 

 

 

 

 

 

 

 

Slot1

Slot2

Slot3

Slot4

Slot5

Slot6

Slot7

Slot8

Device

 

 

 

 

 

 

 

 

Card Stub

W1

W2

W3

W4

W5

W6

W7

W8

Edge Connector

 

 

 

 

 

 

 

 

 

W9

W10

W11

W12

W13

 

W14

W15

Backplane

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

B3331-01

Table 20. Wiring Lengths for PICMG 1.2 Backplane

Segment

AD Bus

Units

 

 

 

Minimum Length

Maximum Length

 

 

 

 

 

W1

0.75

2.75

inches

 

 

 

 

W2

0.75

2.75

inches

 

 

 

 

W3

0.75

2.75

inches

 

 

 

 

W4

0.75

2.75

inches

 

 

 

 

W5

0.75

2.75

inches

 

 

 

 

W6

0.75

2.75

inches

 

 

 

 

W7

0.75

2.75

inches

 

 

 

 

W8

0.75

2.75

inches

 

 

 

 

W9

1.2

1.2

inches

 

 

 

 

W10

0.8

0.8

inches

 

 

 

 

W11

0.8

0.8

inches

 

 

 

 

W12

0.8

0.8

inches

 

 

 

 

W13

0.8

0.8

inches

 

 

 

 

W14

0.8

0.8

inches

 

 

 

 

W15

0.8

0.8

inches

 

 

 

 

54

Intel® 31154 133 MHz PCI Bridge Design Guide Design Guide

Page 54
Image 54
Intel 31154 manual Wiring Lengths for Picmg 1.2 Backplane, Segment AD Bus Units