You have an Option 81c Pentium 2 (CPP) system
MERIDIAN MACHINE TYPE
MERIDIAN OPTION CPU MACHINE SOFTWARE SOFTWARE
TYPE MIN MAX
Option 11 CPU/CONF GEN 14.11 19 19
Option 11E Syst Core GEN 15.11 20 25
Option 11C Mini MSC or SCC GEN 21.11 22 25
Option 11C Chasis SCC GEN 21.11 22 25
Option 11C Cabinet SCC GEN 21.11 22 25
Succession 1000 SCC GEN 21.21 S – 1.0
Succession 1000M Chasis SCC GEN 21.21 S – 3.0
Succession 1000M Cabinet SCC GEN 21.21 S – 3.0
Option 51 Omega GEN 11.11 19 21
Option 51C CP1 GEN 17.11 20 23
Option 51C CP2 GEN 22.11 22 25
Meridian 1 51C CP3 GEN 24.11 22 25
Succession 1000M Half Group CP3 GEN 24.21 S – 3.0 S – 4.5
Meridian 1 51C CP4 GEN 28.11 22 25
Succession 1000M Half Group CP4 GEN 28.21 S – 3.0 S – 4.5
Option 61 Omega GEN 11.11 19 21
Option 61C CP1 GEN 18.11 20 21
Option 61C CP2 GEN 23.11 22 25
Meridian 1 61C CP3 GEN 25.11 22 25
Succession 1000M Single Group CP3 GEN 25.21 S – 3.0 S – 4.5
Meridian 1 61C CP4 GEN 29.11 22 25
Succession 1000M Single Group CP4 GEN 29.21 S – 3.0 S – 4.5
Meridian 1 61C CPP2 GEN 32.11 22 25
Succession 1000M Single Group CPP2 GEN 32.21 S – 3.0 S – 4.5
Succession 1000M Single Group CPP4 GEN 35.21 S – 4.5 S – 4.5
Option 71 Omega GEN 12.11 19 21
Option 81C CP1 GEN 16.11 19 24
Option 81C CP2 GEN 19.11 21 25
Meridian 1 81C CP3 GEN 26.11 22 25
Succession 1000M Multi Group CP3 GEN 26.21 S – 3.0 S – 4.5
Meridian 1 81C CP4 GEN 30.11 22 25
Succession 1000M Multi Group CP4 GEN 30.21 S – 3.0 S – 4.5
Meridian 1 81C CPP2 GEN 33.11 22 25
Succession 1000M/E Multi Group CPP2 GEN 33.21 S – 3.0
Succession 1000M/E Multi Group CPP4 GEN 36.21 S – 4.5
Succession 1000E Multi Group CPPM GEN 40.21 S – 5.0
All the best
Firebird Scrambler
Meridian 1 / Succession and BCM / Norstar Programmer in the UK
If it's working, then leave it alone!.