Asus PCI-DA2200 - Manual (Page 203)

ASUS GUI RAID Manager: Installation
2-18 2.3 In-band SCSI
The Properties window appears. Choose the "Service" tab. If the
SNMP Service is already installed, please go ahead to step called
"Install the SNMP Agent and GUI RAID Manager." If the SNMP
Service is not yet installed, click on "Add" and choose "SNMP
Service" to install.
IMPORTANT:
This following applies to Windows NT 4.0 with Service Pack 3: if the
"SNMP Service" is installed after the Service Pack 3 has been installed,
Service Pack 3 must be re-installed in order for the SNMP service to
work properly.