3 monitors (20", 20", 17")- How to get WinXP to list 17" as monitor #3?

[JEDI]

20" LCD, 20" LCD, 17" CRT

AGP- Radeon 9600 (DVI + VGA)
PCI- Radeon 7000 (DVI) <VGA goes not work>

Primary: 20" LCD on 9600 DVI
#2: 17" CRT on 9600 VGA
#3: 20" LCD on 7000 DVI

How do I get WinXP to list my 2nd 20" LCD as monitor #2?

THX!