Why are my dual light guns no longer dual??

[menace]

I had both guns upstairs on an xp machine, daisy chained them plugged them in and configured analog mame+ .74.2 XP build:

### Input device options ###
mouse                   1
joystick                0
lightgun                1
steadykey               0
keyboard_leds           1
a2d_deadzone            0.300000
# ctrlr                 <NULL> (not set)

### Analog+ options ###
analogpedal             1
singlemouse             0
switchablemice          1
switchmiceaxes          0
splitmouseaxes          0
resetmouseaxes          0
lightgun2a              1
lightgun2b              1
multimouse_winxp        1

This was a pc monitor with the PC USB guns..

Now I brought them down to the cab (arcade monitor this time), with XP and analogmame+, plugged them in but now they only read as one mouse...

What am I missing?

[menace]

nevermind--got it to work--reinstalled analogmame (.74.2) and now it sees the guns as separate and distinct.