On the Front:
A large Mach 64 main chip

A DAC labeled:

	AT&T

	PrecisionDAC

	ATT20C408-13

	9520S 322568742


A small chip labeled
ATI18818-1
ICS2595M
9509-D02

7 Chips labelled 

	NPN

	NN514256P

	9515  F2 -60



and 1 the same as above but 9517 instead of 9515

8 chips labelled

	SEC  510Y
	KM44C256CJ-6

printed on the board is
109-19301-10
and
FCC ID: EXM193

On the back:
A sticker saying 
P/N 1021934810 504594