User`s guide

Table Of Contents
Board Set Description 25
PCI Riser Board
The PCI riser board connection layout is displayed in Figure 19. It supports the following
features:
One Server I/O Hub (SIOH) component of the E8870 chip set
One P64H2 component
Three non-hot-plug PCI slots
One 64-bit, 133 MHz PCI-X, full length
Two 64-bit, 100 MHz PCI-X, full-length
One integrated D2D
Server management logic
I
2
C logic
FRU device ID accessed through a private I
2
C bus
Temperature sensor
A
D C D
B
TP00351
A. PCI slot 2
B. PCI slot 1 (on reverse side of board)
C. PCI slot 3
D. VDHM1 (left), VDHM0 (right)
Figure 19. PCI Riser Board Layout