w83977atf Winbond Electronics Corp America, w83977atf Datasheet - Page 175

• Manufacturer Part Number: w83977atf
• Description: Winbond I/o
• Manufacturer: Winbond Electronics Corp America

Register Location:
Default Value:
Attribute:
0
1
2
Register Location:
Default Value:
Attribute:
0-7
Bit
Bit
SCI_EN
BM_RLD
GBL_RLS
Reserved
Reserved
Name
Name
7
7
8 bits
8 bits
6
6
interrupt. When this bit is set, the power management events will generate an
management events will generate an SMI interrupt.
This is the bus master reload enable bit. If this bit is set and BM_CNTRL is
set, an
to the BIOS software. The BIOS software has a corresponding enable and
status bit to control its ability to receive the ACPI event. Setting GBL_RLS
Reserved. These bits always return zeros.
SCI interrupt.
<
Read/write
<
Read/write
5
5
4
4
> + 4H System I/O Space
> + 5H System I/O Space
3
3
When this bit is reset and SMI_EN bit is set, the power
2
2
1
1
-
0
0
-
SCI_EN
BM_RLD
GBL_RLD
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
SMI interrupt if BIOS_EN is also set.
Publication Release Date:April 1998
W83977ATF
PRELIMINARY
SCI or an SMI
Revision 0.53