Справочник Пользователя для HP A2Y15AV

58

Datasheet, Volume 2

7

RW-L

1b

Uncore

Device 4 Enable (D4EN) 
0 = Bus 0 Device 4 is disabled and not visible.
1 = Bus 0 Device 4 is enabled and visible.
This bit will be set to 0b and remain 0b if Device 4 capability is 

disabled.

6:5

RO

0h

4

RW-L

1b

Uncore

Internal Graphics Engine (D2EN) 
0 = Bus 0 Device 2 is disabled and hidden
1 = Bus 0 Device 2 is enabled and visible
This bit will be set to 0b and remain 0b if Device 2 capability is 

disabled.

3

RW-L

1b

Uncore

PEG10 Enable (D1F0EN) 
0 = Bus 0 Device 1 Function 0 is disabled and hidden.
1 = Bus 0 Device 1 Function 0 is enabled and visible.
This bit will be set to 0b and remain 0b if PEG10 capability is 

disabled.

2

RW-L

1b

Uncore

PEG11 Enable (D1F1EN) 
0 = Bus 0 Device 1 Function 1 is disabled and hidden.
1 = Bus 0 Device 1 Function 1 is enabled and visible.
This bit will be set to 0b and remain 0b if:

• PEG11 capability is disabled by fuses, OR
• PEG11 is disabled by strap (PEG0CFGSEL)

1

RW-L

1b

Uncore

PEG12 Enable (D1F2EN) 
0 = Bus 0 Device 1 Function 2 is disabled and hidden.
1 = Bus 0 Device 1 Function 2 is enabled and visible. 
This bit will be set to 0b and remain 0b if:

• PEG12 capability is disabled by fuses, OR
• PEG12 is disabled by strap (PEG0CFGSEL)

0

RO

1b

Uncore

Host Bridge (D0EN) 
Bus 0 Device 0 Function 0 may not be disabled and is therefore 

hardwired to 1.