31u slot ✓ The structure, conduct, and performance of Nevada's slot route

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Ubon UB-31U WIRED EARPHONES BORDER SERIES FOR ALL SMARTPHONES Wired Headset Product Details Highlights 31u slot,I just got my hands on an X20 2662-31u that originally only has 56K modem port installed Can I do that or do I have to use the PCMCIA slot?

31u slot,4 mail slots per base module; Optional expanded mail slot configuration: 19-cartridge capacity; 3U per module to a maximum of 31U 2 Barcodes