74
IB838 Series
User’s Manual
B.
Interrupt Request Lines (IRQ)
Peripheral devices use interrupt request lines to notify CPU for the service
required. The following table shows the IRQ used by the devices on board.
Level
Function
IRQ 4294967291
Intel(R) USB 3.20 eXtensible Host Controller - 1.20
(Microsoft)
IRQ 4294967294
PCI Express Root Port #7 - 54BE
IRQ 4294967278
Intel(R) Management Engine Interface #1
IRQ 4294967285~89
Intel(R) Ethernet Controller I226-V #6
IRQ 4294967280~84
Intel(R) Ethernet Controller I226-V #7
IRQ 4
Communications Port (COM1)
IRQ 3
Communications Port (COM2)
IRQ 5
Communications Port (COM3)
IRQ 6
Communications Port (COM4)
IRQ 19
High Definition Audio Controller
IRQ 4294967279
Intel(R) UHD Graphics
IRQ 16
Intel(R) Serial IO UART Host Controller - 54A8
IRQ 55~204
Microsoft ACPI-Compliant System
IRQ 256~511
Microsoft ACPI-Compliant System
IRQ 4294967292
Standard SATA AHCI Controller
IRQ 4294967290
Intel(R) USB 3.10 eXtensible Host Controller - 1.20
(Microsoft)
IRQ 0
System timer
IRQ 14
Intel(R) Serial IO GPIO Host Controller - INTC1057
IRQ 1
Standard PS/2 Keyboard
IRQ 12
Microsoft PS/2 Mouse
IRQ 4294967293
PCI Express Root Port #9 - 54B0
IRQ 4294967291
Intel(R) USB 3.20 eXtensible Host Controller - 1.20
(Microsoft)
IRQ 4294967294
PCI Express Root Port #7 - 54BE
IRQ 4294967278
Intel(R) Management Engine Interface #1
Summary of Contents for IB838 Series
Page 1: ...IB838 Series Intel Core i3 N series 3 5 Disk Size SBC User s Manual Version 1 0 July 2023...
Page 8: ......
Page 14: ...6 IB838 Series User s Manual 1 6 Block Diagram...
Page 16: ...8 IB838 Series User s Manual I O View...
Page 17: ...General Information IB838 Series User s Manual 9 1 1 8 Dimensions...
Page 18: ...10 IB838 Series User s Manual This page is intentionally left blank...
Page 22: ...14 IB838 Series User s Manual 2 3 Jumper Connector Locations IB838...
Page 32: ...24 IB838 Series User s Manual 2 5 4 LAN Connectors CN4 CN5 2 5 5 USB 3 2 Connector CN6...
Page 66: ...58 IB838 Series User s Manual 4 4 4 PCH FW Configuration...
Page 69: ...BIOS Setup IB838 Series User s Manual 61 4 4 4 7 LVDS Configuration...
Page 72: ...64 IB838 Series User s Manual 4 4 10 AMI Graphic Output Protocol Policy...