Etched in copper	AMSTAR ELEC
			ASSY 1061-3700/
			SER NO	42-109		42-109 was hand written

graphics dump showed card characters

.e5	2708		stickered	001-1201
.d5	AMD 4708	stickered	1102		read as a 2708 - couldn't get a steady reading
.b6	2708		stickered	001-8000
.b7	2708		stickered	001-8200
.c7	2708		stickered	001-8100
.c8	2708		stickered	001-8500
.d8	2708		stickered	001-8400
.e8	2708		stickered	001-8300
.d2	7611		stickered	001-1400
.f2	7611		stickered	001-1500
.g1	7611		stickered	001-130
.g2	6301		stickered	G2-		read as 7611
.h2	6301		stickered	H2-		read as 7611
.j2	6301		stickered	J2-		read as 7611

empty 14 pin socket at j1
empty 24 pin socket at b8
empty 16 pin socket at g11

Z80
10MHz Crystal
2101	x8
5101	x2

2 24 pin chips (.b4 and .b5) that look like eproms, but no window
Couldn't read as 2708 or 2716 or any of the 24 pin 82sxxx types
Stamped with the following
	.b4	
		"S" logo
		8001E
		C27139M
		4502
	.b5
		"S" logo
		7847E
		C27138M
		4501
Final pinout used to read the chips as a 2764
A7			VCC
A8			D0
A9			D1
A10			D2
A0			D3
A1			D4
A2			D5
A3			D6
A4			D7
A5			A11
A6			GND
GND			Invert of /OE from 2764

Only saved 12 bits off address since there was no room for A12.
A11 looks like another enable line, since data is all 0's when it is high.