Need to know how many work process to be configured in SAP ?

SAPinst installs SAP systems with a minimum number of work processes, whichare calculated using the following formula:-

Number of dialog work processes = RAM/256 (min 2, max 18)

Number of update work processes = RAM/768 (min 1, max 6)

Number of update2 work processes = RAM/1024 (min 1, max 3)

Number of batch work processes = RAM/1024 (min 2, max 3)

Number of enqueue work processes = 1

Number of spool work processes = 1