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The difference between "H" serial cards and "L" serial cards.

"H" serial cards work with a communication protocol "128 Byte FIFO", whereas "L" serial cards work with a communication protocol "16 Byte FIFO".

The FIFO (First In, First Out) manages a waiting line (priority system in which the first objet available was the first object placed).

So t...

The difference between "H" serial cards and "L" serial cards.

"H" serial cards work with a communication protocol "128 Byte FIFO", whereas "L" serial cards work with a communication protocol "16 Byte FIFO".

The FIFO (First In, First Out) manages a waiting line (priority system in which the first objet available was the first object placed).

So the only difference between FIFO 16 BYTE and FIFO 128 BYTE is speed.

U-PCI cards consume between 3,3V and 5V whereas PCI cards consume 5V.

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