NH82801HEM S LA5R Intel, NH82801HEM S LA5R Datasheet - Page 516

• Manufacturer Part Number: NH82801HEM S LA5R
• Manufacturer: Intel

Specifications of NH82801HEM S LA5R

• Lead Free Status / RoHS Status: Compliant

12.4.1.3
516
IS—Interrupt Status Register (D31:F2)
Address Offset: ABAR + 08h
Default Value:
This register indicates which of the ports within the controller have an interrupt pending
and require service.
(Desktop
(Desktop
(Desktop
(Desktop
(Mobile
(Mobile
(Mobile
(Mobile
Only)
Only)
Only)
Only)
Only)
Only)
Only)
Only)
31:7
Bit
6
6
5
5
4
4
3
3
2
1
0
Reserved. Returns 0.
Reserved. Returns 0.
Interrupt Pending Status Port[6] (IPS[6]) — R/WC.
0 = No interrupt pending.
1 = A command completion coalescing interrupt has been generated.
Reserved. Returns 0.
Interrupt Pending Status Port[5] (IPS[5]) — R/WC.
0 = No interrupt pending.
1 = Port 5 has an interrupt pending. Software can use this information to determine
Reserved. Returns 0.
Interrupt Pending Status Port[4] (IPS[4]) — R/WC.
0 = No interrupt pending.
1 = Port 4 has an interrupt pending. Software can use this information to determine
Reserved. Returns 0.
Interrupt Pending Status Port[3] (IPS[3]) — R/WC.
0 = No interrupt pending.
1 = Port 3 has an interrupt pending. Software can use this information to determine
Interrupt Pending Status Port[2] (IPS[2]) — R/WC
0 = No interrupt pending.
1 = Port 2 has an interrupt pending. Software can use this information to determine
Interrupt Pending Status Port[1] (IPS[1]) — R/WC.
0 = No interrupt pending.
1 = Port 1has an interrupt pending. Software can use this information to determine
Interrupt Pending Status Port[0] (IPS[0]) — R/WC.
0 = No interrupt pending.
1 = Port 0 has an interrupt pending. Software can use this information to determine
which ports require service after an interrupt.
which ports require service after an interrupt.
which ports require service after an interrupt.
which ports require service after an interrupt.
which ports require service after an interrupt.
which ports require service after an interrupt.
00000000h
–
0Bh
Description
Attribute:
Size:
SATA Controller Registers (D31:F2)
R/WC, RO
32 bits
Intel
®
ICH8 Family Datasheet