W83793G Datasheet, PDF (102/131 Pages) Winbond – Winbond H/W Monitor

W83793G
8.13.2.5 UDID Interface High/Low Byte Register (UDIDIFH/L)
This field defines SMBus version and supported protocol. It is reset to 0024_HEX.
Location:
UDIDIFH - Bank 1 Address 26_HEX
Type:
UDIDIFL - Bank 1 Address 27_HEX
Read Write
Reset: VSB5V (Pin 7) Rising,
Init Reset (CR40.Bit7) is set.
BIT
7
6
Name
Reset
0
0
UDIDIFH
5
4
3
2
1
0
Reserved
0
0
0
0
0
0
BIT
7
6
Name Reserved IPMI
Reset
0
0
UDIDIFL
5
4
3
ASF
OEM
1
0
0
2
1
0
SMBus Version
1
0
0
BIT
15-7
6
5
4
3-0
DESCRIPTION
Reserved.
IPMI. This device supports additional interface access capability per IPMI specification.
0: not supported.
1: supported.
ASF. This device supports additional interface access capability per ASF specification.
0: not supported.
1: supported.
OEM. Device supports vendor specific access capability per Subsystem Vendor ID and
Subsystem Device ID.
0: not supported.
1: supported.
SMBus Version
0_HEX: SMBus 1.0, not ARPable.
1_HEX: SMBus 1.1, not ARPable.
4_HEX: SMBus 2.0.
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