Product specifications

VT1211 LPC SuperIO and Hardware Monitor
Revision 1.0 January 8, 2002 -21- Register Descriptions – Global Control
Technologies, Inc.
We Connect
We ConnectWe Connect
We Connect
Register Descriptions
Chip (Global) Control Registers
Offset 07 - Logical Device Number..................................RW
7-0 Logical Device Number ....................... default = 00h
This register selects the current logical device.
Offset 20 - Device ID..........................................................RO
7-0 Device ID ..............................................default = 3Ch
Offset 21 - Device Revision................................................RO
7-0 Device Revision .................................... default = 01h
Offset 22 - Power Down Control......................................RW
7-6 Reserved ........................................ always reads 0
5ClockPowerDown.................................. default = 0
4 Parallel Port Power Down....................... default = 0
3 Reserved ........................................ always reads 0
2 Serial Port Power Down.......................... default = 0
1 Floppy Disk Controller Power Down..... default = 0
0 Reserved ........................................ always reads 0
Offset 23 - LPC Wait State Select (11h)..........................RW
7 Memory Cycle Wait State Disable ... .….default = 0
6-4 LPC I/O Cycle Wait State # Selection..... def =001b
3 Super I/O DMA Cycle 4 Wait................. default = 0
2-0 LPC DMA Cycle Wait State Number Selection
........................................ default = 001b
Offset 24 - GPIO Port 1 Pin Select.................................. RW
7 Pin 121
0 JAB2 .................................................... default
1GP17
6 Pin 122
0 JBB2 .................................................... default
1GP16
5 Pin 123
0 JACY .................................................... default
1GP15
4 Pin 124
0 JBCY .................................................... default
1GP14
3 Pin 125
0 JBCX .................................................... default
1GP13
2 Pin 126
0 JACX .................................................... default
1GP12
1 Pin 127
0 JBB1 .................................................... default
1GP11
0 Pin 128
0 JAB1 .................................................... default
1GP10
Offset 25 - GPIO Port 2 Pin Select.................................. RW
7 System Reset
0 Normal operation................................... default
1 Reset chip
6 Route SMI to Serial IRQ2
0 Disable................................................... default
1 Enable
5 Pin 97-66
0 ROM signal .......................................... default
1 GP25-GP62
4 Pin 100
0 IRRX1 ................................................... default
1GP24
3 Pin 101
0 COPEN.................................................. default
1GP23
2 Pin 102
0 PLED .................................................... default
1GP22
1 Pin 113
0 FANIO2 ................................................ default
1GP21
0 Pin 115
0 FANOUT2 ............................................ default
1GP20