Pci-Express Slot - Intel P55 User Manual

3 *
4 *
5 *
6 *
7 *
8
9 *
10 *
11 *
12 *
13
14 *
15 *
* These IRQs are usually available for ISA or PCI devices.
2-5-3 PCI Express Slot
The P55 Express chipset based motherboard series offer two PCI-Express2.0 x16
graphics slots with PE2 and PE5 being PCI Express 2.0 x16@8lane slot. These two
graphics slots are fully compatible with the latest AMD CrossFireX Technology to
guarantee the fully operational Multi-GPUs graphics function and avoid the possible
installation error. Two PCI Express 2.0 x1 I/O slots and two 32-bit PCI slots guarantee
the rich connectivity for the I/O of peripherals. Otherwise, the motherboard provides
one PCI-Express x4lane slot.
8 Communications Port (COM2)
9 Communications Port (COM1)
6 Sound Card (sometimes LPT2)
11 Floppy Disk Controller
7 Printer Port (LPT1)
N/A System CMOS/Real Time Clock
10 ACPI Mode when enabled
3 IRQ Holder for PCI Steering
2 IRQ Holder for PCI Steering
4 PS/2 Compatible Mouse Port
N/A Numeric Data Processor
5 Primary IDE Channel
1 Secondary IDE Channel
PCI-E x4lane Slot
PCI slots
15
PCI-E2.0 x1 slots
PCI-E2.0 x16@8 Lane Slot
PCI-E2.0 x1 slots
PCI-E2.0 x16@8 Lane Slot