U1	74LS00
U2	Delay Line
U3	74LS10
S3
U4	74LS20
U5	74LS00
U58	74LS122 (Rev D)
U6	74LS74 (74S74 Rev C, D, E)
U7	74LS02
U8	82S130
U9	74LS393
U10	74LS00
U11	74LS368
U12	74LS14
U13	74LS174
U14	74LS244
U15	33 Ohm DIP
U16	74LS162
U17	74LS00
U18	74LS14
U19	74LS30
U20	74LS373
U21	74LS74
U22	74LS14
U23	74LS244
U24	74LS244
U25	74LS244
U26 - U57 DRAM (4116 or 4164)

(4116) E1 - E2 +12V TO RAM PIN 8
(4116) E4 - E5 -5V TO RAM PIN 1
(4116) E6 - E8 +5V TO RAM PIN 9 (VCC)

(4164) E2 - E3 +5 TO RAM PIN 8
(4164) E4 - E5 OPEN (RAM PIN 1 NC)
(4164) E6 - E7 A7 TO RAM PIN 9 (A7)

E9 - E10 PHANTOM

E14 - E15 !SM1

E16 - E17
E17 - E18

E19 - E20 (Rev D, E) U13 PIN 10 (BDO3) TO U8 PIN 2 (PROM A5)
E20 - E21 (Rev D, E) U22 PIN 2 (!A13) TO U8 PIN 2 (PROM A5)

E22 - E23 (Rev D, E) PHASE1 TO U22 PIN 11
E23 - E24 (Rev D, E) PHASE2 TO U22 PIN 11

E25 - E26 (Rev D, E) POC TO U18 PIN 11
E26 - E27 (Rev D, E) RESET TO U18 PIN 11

82S130 PROM U8 Addressing
A8 S3 PIN 5 (Configuration Switch closed pulls low)
A7 S3 PIN 6 (Board Select D1 Switch closed pulls low)
A6 S3 PIN 7 (Board Select D0 Switch closed pulls low)
A5 !A13 or BDO3
A4 BDO2
A3 BDO1
A2 BDO0
A1 !A15
A0 !A14
O1 S3 Pin 4 (Bank 3 Print, 0 Doc)
O2 S3 Pin 3 (Bank 2 Print, 1 Doc)
O3 S3 Pin 2 (Bank 1 Print, 2 Doc)
O4 S3 Pin 1 (Bank 0 Print, 3 Doc)
CE* S3 Pin 8