FDC37B72X_07 SMSC [SMSC Corporation], FDC37B72X_07 Datasheet - Page 132
![no-image](/images/no-image-200.jpg)
FDC37B72X_07
Manufacturer Part Number
FDC37B72X_07
Description
128 Pin Enhanced Super I/O Controller with ACPI Support
Manufacturer
SMSC [SMSC Corporation]
Datasheet
1.FDC37B72X_07.pdf
(238 pages)
- Current page: 132 of 238
- Download datasheet (832Kb)
GATEA20 AND KEYBOARD RESET
The
GateA20 and Keyboard Reset: 8042 Software
Generated GateA20 and KRESET and Port 92
Fast GateA20 and KRESET.
PORT 92 FAST GATEA20 AND KEYBOARD
RESET
Port 92 Register
This port can only be read or written if Port 92
FDC37B72x
KCLK
KDAT
MCLK
MDAT
Host I/F Data Reg
Host I/F Status Reg
provides
DESCRIPTION
two
options
N/A: Not Applicable
for
11
has been enabled via bit 2 of the KRST_GA20
Register (Logical Device 7, 0xF0) set to 1.
This register is used to support the alternate
reset (nALT_RST) and alternate A20 (ALT_A20)
functions.
HARDWARE RESET (RESET)
Location
Default Value
Attribute
Size
NAME
Input
Input
Input
Input
00H
N/A
92h
24h
Read/Write
8 bits
PORT 92
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