82801FB Datasheet, PDF (696/786 Pages) Intel Corporation – Intel I/O Controller Hub 6 (ICH6) Family

PCI Express* Configuration Registers
19.1.31
SLCTL—Slot Control Register
(PCI Express—D28:F0/F1/F2/F3)
Address Offset: 58–59h
Default Value: 0000h
Attribute:
Size:
R/W, RO
16 bits
Bit
Description
15:11
10
9:8
Reserved
Power Controller Control (PCC) — RO.This bit has no meaning for module based Hot-Plug.
Power Indicator Control (PIC) — R/W. When read, the current state of the power indicator is
returned. When written, the appropriate POWER_INDICATOR_* messages are sent. Defined
encodings are:
Bits Definition
00b
Reserved
01b
On
10b
Blink
11b
Off
Attention Indicator Control (AIC) — R/W. When read, the current state of the attention indicator is
returned. When written, the appropriate ATTENTION_INDICATOR_* messages are sent. Defined
encodings are:
Bits
Definition
7:6
00b
Reserved
01b
On
10b
Blink
11b
Off
Hot Plug Interrupt Enable (HPE) — R/W.
5 _{0 = Hot plug interrupts based on Hot-Plug events is disabled.}
1 = Enables generation of a Hot-Plug interrupt on enabled Hot-Plug events.
Command Completed Interrupt Enable (CCE) — R/W.
4 ^{0 = Hot plug interrupts based on command completions is disabled.}
1 = Enables the generation of a Hot-Plug interrupt when a command is completed by the Hot-Plug
controller.
Presence Detect Changed Enable (PDE) — R/W.
3 ^{0 = Hot plug interrupts based on presence detect logic changes is disabled.}
1 = Enables the generation of a Hot-Plug interrupt or wake message when the presence detect
logic changes state.
MRL Sensor Changed Enable (MSE) — R/W.
2
MSE not supported.
Power Fault Detected Enable (PFE) — R/W.
1
PFE not supported.
Attention Button Pressed Enable (ABE) — R/W. When set, enables the generation of a Hot-Plug
interrupt when the attention button is pressed.
0
0 = Hot plug interrupts based on the attention button being pressed is disabled.
1 = Enables the generation of a Hot-Plug interrupt when the attention button is pressed.
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Intel^® I/O Controller Hub 6 (ICH6) Family Datasheet