24 Technical Manual D2759 (TX150 S7)
PCI slots Features
3.3 PCI slots
Figure 4: PCI slots
PCI, PCI Express interrupts
Each device connected to a PCI bus or PCI Express can use up to four interrupt
signals depending on the functionality.
PCI buses use four lines named INTA to INTD, typically connected to all devices
on the bus in order to periodically balance interrupt load. An interrupt signal may
thereby be used simultaneously by multiple devices (interrupt sharing).
PCI Express devices send their interrupts through messages. The interrupts are
defined by the system design.
PCI slot Type Function
1 PCI 32 32-bit / 33 MHz PCI slot
2 PCIe x8 (wired x4) PCIe x4 slot (Gen1)
3 PCIe x4 (wired x1)
1
1
open connector allows plug-in of mechanical x8 cards
PCIe x1 slot (Gen1)
4 PCIe x4 (wired x1)
1
PCIe x1 slot (Gen1)
5 PCIe x8 PCIe x8 slot (Gen2)
6 PCIe x8 PCIe x8 slot (Gen2)
Slot 3
Slot 2
Slot 1
Slot 4
Slot 5
Slot 6
Frontpanel
Intrusion
SATA5 SATA6
SATA
MLC
PCIe x8 Gen2
PCIe x4
PCIe x8 Gen2
Serial 2
PCIe x1
PCI 32 Bit / 33 MHz
SMB1
USB
Front
USB SSD
TPM
USB
stick
PCIe x1
USB2 AUX
USB1 AUX
HDD Activity
Reset
Configuration
jumper
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