>   On the solder side: PWD CU0210702 REV A
>   On the component side: CU02 10402 REV F
>   On a large chip located at the right side: Emulex CS0210202/HIN

This is a CS21, a 8-port serial mux, if I remember correctly.

>   On the solder side: PWD TU0212701 REV A
>   On the component side: TU0210401 REV C
>   On a large chip located at the right side: Emulex TC0210201-FSJ

A tape controller, but I don't know what emulation it does (TS11?)...

	Hamster