VT82C686B

Manufacturer Part NumberVT82C686B
ManufacturerETC-unknow
VT82C686B datasheet
 
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Hardware-Monitor-Specific Configuration Registers
Offset 71-70 – Hardware Monitor I/O Base ................... RW
15-7 I/O Base (128-byte I/O space) ................. default = 0
.......................... always reads 0000001b
6-0
Fixed
Offset 74 –Hardware Monitor Control ........................... RW
........................................ always reads 0
7-4
Reserved
3
Hardware Monitoring Interrupt
0
SMI .....................................................default
1
SCI
........................................ always reads 0
2-1
Reserved
0
Hardware Monitoring I/O Enable
0
Disable hardware monitor functions.......default
1
Enable hardware monitor functions
Revision 1.71 June 9, 2000
System Management Bus-Specific Configuration Registers
Offset 93-90 – SMBus I/O Base ....................................... RW
31-16 Reserved
........................................always reads 0
15-4 I/O Base (16-byte I/O space)................ default = 00h
3-0
Fixed
................................ always reads 0001b
Offset D2 – SMBus Host Configuration ......................... RW
7-4
Reserved
........................................always reads 0
3
SMBus Interrupt Select
0
SMI
.................................................... default
1
SCI
2
SMBus Clock Select
0
Divide down from 14.31818 MHz......... default
1
64 KHz derived from 32.768 KHz RTC clock
1
SMBus IRQ
0
Disable................................................... default
1
Enable
0
SMBus Host Controller Enable
0
Disable SMB controller functions ......... default
1
Enable SMB controller functions
Offset D3 – SMBus Host Slave Command ...................... RW
7-0
SMBus Host Slave Command Code..........default=0
Offset D4 – SMBus Slave Address for Port 1 ................. RW
7-0
SMBus Slave Address for Port 1...............default=0
Bit-0 must be set to 0 for proper operation
Offset D5 – SMBus Slave Address for Port 2 ................. RW
7-0
SMBus Slave Address for Port 2...............default=0
Bit-0 must be set to 0 for proper operation
Offset D6 – SMBus Revision ID ....................................... RO
7-0
SMBus Revision Code
-89-
Function 4 Regs - Power Management, SMBus and HWM
VT82C686B