Datasheet

Register Description
R
Datasheet 157
3.11.16 INTRLINE⎯Interrupt Line Register (Device #2)
Address Offset: 3Ch
Default Value: 00h
Access: Read/Write
Size: 8 bits
Bit Description
7:0 Interrupt Connection: Used to communicate interrupt line routing information. POST
software Writes the routing information into this register as it initializes and configures
the system. The value in this register indicates which input of the System Interrupt
controller that the device’s interrupt pin is connected to.
3.11.17 INTRPIN⎯Interrupt Pin Register (Device #2)
Address Offset: 3Dh
Default Value: 01h
Access: Read Only
Size: 8 bits
Bit Description
7:0 Interrupt Pin: As a single function device, the IGD specifies INTA# as its interrupt pin.
01h=INTA#. For Function #1, this register is set to 00h.
3.11.18 MINGNT – Minimum Grant Register (Device #2)
Address Offset: 3Eh
Default Value: 00h
Access: Read Only
Size: 8 bits
Bit Description
7:0 Minimum Grant Value: The IGD does not burst as a PCI compliant master.