Models 135 and 140:
Up to two are supported on the Model 135 and one on the Model 140.
Card slots required: One.
Model 9406-30S:
MES install on the Model 30S:
The Model 30S has one base and three feature memory slots.
The Model 30S requires:
#5145: Additional Battery Back-Up (Internal) when main storage exceeds 160MB
#5144: Additional Battery Back-Up (External) when main storage exceeds 384MB
Supported on the following systems:
