Hard disk interface cards

Card #1 Contains the following components

Signetics SCN8049ACBN40 7767-2981 Masked Microcontroller @ 10Mhz,
Motorola MC1403U ,
MC1408-8N ,
National LM3046N transistor array,
Fairchild 75461TC ,
Motorola LM308AND SUPER GAIN OPERATIONAL AMPLIFIER,
74LS54N 4-WIDE, 2-Input AND-OR-INVERT Gate,
74LS14N Hex Inverter with Schmitt Trigger Inputs,
SN7438N Quad 2-Input NAND Buffer with Open-Collector Outputs,
74LS74 Dual D-type Positive Edge-triggered Flip-Flops(With Preset and Clear),
74LS00 QUADRUPLE 2-INPUT POSITIVE-NAND GATES,
MC14053B, Analog Multiplexers/Demultiplexers,
SN74LS373 3-STATE Octal D-Type Transparent Latches and Edge-Triggered Flip-Flops,
SN74LS244N, OCTAL BUFFERS AND LINE DRIVERS WITH 3-STATE OUTPUTS
LM324, QUAD DIFFERENTIAL INPUT OPERATIONAL AMPLIFIERS
LM358, Single Supply Dual Operational Amplifiers,
LM393P SINGLE SUPPLY, LOW POWER DUAL COMPARATORS

Transistors MTD44H11 x2 , TIP100 x2 self 100µH diode P600B

Transistors 2N3904 , MPSD04
Resistor Network BECKMAN 899-5 R220/330

Card #2

Fujitsu MB62301U Masked microcontroller "15163538"
INS8243N expander ; EXAR XR15164468A (datecode8518), MC33074L
MC1648L, 2 x Fairchild µA3046PCQR , Fairchild µA308ATC x3, Motorola NE592N x3 , Am26LS31PC , Am26LS32PC , 74LS05N , 74LS08N, MC1650L, SCL4053BC, MC14066B , 74LS112N, transistors Motorola MPF4392 x2