PCI I/O Subsystem
Intel® Server Board SE7505VB2
5.3.3
Host Bus Interface
The ATI Rage XL supports a PCI 33 MHz bus. The following diagram shows the signals for the
PCI interface:
PCICLK
CPUCLK
AD[31..0]
AD[31..0]
C/BE#[3..0]
C/BE[3..0]
PAR
PAR
FRAME#
FRAME#
IRDY#
IRDY#
IDSEL
IDSEL
PCIRST#
RESET#
TRDY#
TRDY#
STOP#
STOP#
INTR#
INTR#
DEVSEL#
DEVSEL#
REQ#
REQ#
GNT#
GNT#
PCI Bus
Video
Figure 5. Video Controller PCI Bus Interface
Revision
1.2
Intel part number C32194-002
38