301467-005 Datasheet, PDF (159/426 Pages) Intel Corporation – Express Chipset

Host-PCI Express* Bridge Registers (D1:F0)
(Intel® 82915G/82915P/82915PL Only)
R
8.1.41
SLOTSTS—Slot Status (D1:F0)
PCI Device:
Address Offset:
Default Value:
Access:
Size:
1
BAh
0X00h
RO, R/W/C
16 bits
PCI Express slot-related registers allow for the support of Hot-Plug.
Bit
Access &
Default
Description
15:7
Reserved
6
RO
Presence Detect State: This bit indicates the presence of a card in the slot.
Xb
0 = Slot Empty
1 = Card Present in slot.
5
Reserved
4
R/WC
Command Completed:
0b
1 = Hot plug controller completed an issued command.
3
R/WC
Presence Detect Changed:
0b
1 = Presence Detect change is detected. This corresponds to an edge on the
signal that corresponds to bit 6 of this register (Presence Detect State).
2:1
Reserved
0
R/WC
Attention Button Pressed:
0b
1 = Attention Button is pressed.
Datasheet
159