FDC37B78X SMSC Corporation, FDC37B78X Datasheet - Page 194

• Manufacturer Part Number: FDC37B78X
• Description: Enhanced Super I/O Controller with ACPI Support/ Real Time Clock and Consumer IR
• Manufacturer: SMSC Corporation

KYBD, Logical Device 7
KRST_GA20
Default = 0x00
on Vcc POR or
Reset_Drv
TABLE 82 - KYBD, LOGICAL DEVICE 7 [LOGICAL DEVICE NUMBER = 0X07]
NAME
0xF1 -
0xFF
REG INDEX
0xF0
R/W
KRESET and GateA20 Select
Bit[7] Polarity Select for P12
Bits[6:3] Reserved
Bit[2] Port 92 Select
Bit[1] GATEA20 Select
Bit[0] KRESET Select
Reserved - read as ‘0’
= 0 P12 active low (default)
= 1 P12 active high
= 0 Port 92 Disabled
= 1 Port 92 Enabled
= 0 Software Control
= 1 Hardware Speed-up
= 0 Software Control
= 1 Hardware Speed-up
194
DEFINITION
STATE