Quantity   Component name
1 × Case-Mountable SPST Manual Switch All Models. Controls Turbo Clock Mode: Open = Pulled up to Vcc - Enabled, Closed = Tied to Ground - Disabled
1 × Black Lightweight Spring-Loaded 2-Prong Probe All Models. Black, Logic Ground Equalization Line
1 × Yellow Lightweight Spring-Loaded 2-Prong Probe All Models. Yellow, Valid Address Decode (OE) attached to MUX*/NEXT* all models
1 × 15-Inch Flat Ribbon Cable, 4-Conductor All Models, Connects above items (switch & probes) to Logic Board
2 × Dupont Connectors, Female, Single Conductor All Models. Attaches above lightweight probes to 4-conductor ribbon cable
1 × Dupont Connector, Female, 4-Conductor All Models. Attaches 4-conductor ribbon cable to right-angle pin connector on Logic Board J4
1 × Red Lightweight Spring-Loaded 2-Prong Probe Model I/III Mode Cable. Red. Vcc Equalization Line on Models I/III/4/4P/4D. Not used on Models II/12/16/6000.
1 × Black Heavier Spring-Loaded Single-Prong , Model I/III Cable Model I/III Mode Cable. Black. Ground Equalization Line on Models I/III/4/4P/4D. Not used on Models II/12/16/6000.
2 × Grey Lightweight Spring-Loaded 2-Prong Probes Model I/III Mode Cable. Grey. Tied to CasMototrOn and DskMotorOn signals on Models I/III/4/4P/4D. Not used on Models II/12/16/6000.
2 × Blue Lightweight Spring-Loaded 2-Prong Probes Model I/III Mode Cable. Blue. Address Bus Lines A15 & A14 signals on Models I/III/4/4P/4D. Not used on Models II/12/16/6000.
1 × 15-Inch Flat Ribbon Cable, 6-Conductor. Model I/III Cable. Model I/III Mode Cable. Connect 6 probes above to Logic Board
1 × Dupont Connector, Female. 6-Conductor, Model I/III Cable. Model I/III Mode Cable. Connect 6-conductor ribbon cable to right-angle pin connector on Logic Board J2
3 × Green Lightweight Spring-Loaded 2-Prong Probes, Model II4 Cable Model II/4 Mode Cable. Green. Connects Select Signals ROMCE*, KEYB*, & VID* signals on Models II/4/4P/4D/12/16/6000. Not used on Models I/III
2 × Yellow Lightweight Spring-Loaded 2-Prong Probes, Model II4 Cable Model II/4 Mode Cable. Yellow. 1st connects to Vcc (J1) on Models II/12/16/6000, SEL1 memory map signal on Models 4/4P/4D. 2nd attaches to Vcc(J1) on Models II/12/16/6000, FAST signal on Models 4/4P/4D. Neither used on Models I/III.
1 × Black Heavier Spring-Loaded Single-Prong Probe, Model II/4 Cable Model II/4 Mode Cable. Black. Ground Equalization Line on Models II/4/4P/4D/12/16/6000
5 × 15-Inch Flat Ribbon Cable, 6-Conductor. Model II/4Cable. Model II/4 Mode Cable. Connect 6 probes above to Logic Board
1 × Dupont Connector, Female. 6-Conductor, Model II/4Cable. Model II/4 Mode Cable. Connect 6-conductor ribbon cable to right-angle pin connector on Logic Board J3
10 × Dupont Connectors, Female. Single-Conductors Both Model I/III & Model II/4 Cables. Attaches lightweight probes to 6-conductor ribbon cables
1 × DIP Socket 40-Pin, Pins 18 (Z80 HALT) & 25 (Z80 BUSRQ) Pins Removed, Leaf or Machined Pin-Protector for Interface to Z80 socket in Models I/III/4/4P/4D. Not needed on Models II/1216/6000.
1 × DIP Socket 40-Pin, All Pins Intact, Leaf or Machined-Pin Pin-Protector for Interface to Z80 socket in Models II/12/16/6000. Not needed on Models IIII/4/4P/4D.
2 × Male IDC Plug, 40-Pin DIP For Ends of Z80 Cable, from Z80 on motherboard to passthrough socket on interface
1 × 10-Inch Flat Ribbon Cable, 40-Conductor. Z80 Passthrough Cable Passthrough cable between TRS-80 Z80 socket and Steering CMTE
1 × 20-Pin Dual (2X10) Right-Angle Pin Header J1 (4) Top Pins Vcc,Vcc,Vcc,Ground (Left Exposed); J2 (6) Top Pins Vcc,Ground,CasMotorOn,DskMotorOn,A15,A14 to Model I/III Mode Cable; J3 (6) Bottom Pins ROMCE*,KEYB*,VID*,SEL1,Ground,FAST to Model II/4 Mode Cable; J4 (4) Bottom Pins Switch+,Switch-, Ground, MUX*/NEXT* to the All Models Cable
1 × DIP Socket 40-Pin Wire-Wrap, Connecting Through Logic Board & Distributor Board (Split as J7/J8) TRS-80 Native Motherboard Clock signal is then highjacked, jumpered from Pin 6 to J12 on Distributor Board, Pin 6 Removed.
3 × DIP Sockets 14-Pin, Leaf or Machined-Pin For 14-Pin ICs on Logic Board
4 × DIP Sockets 20-Pin, Leaf or Machined-Pin For 16-Pin ICs, Inline Resistor Packs, & Bypass Capacitors
1 × 74LS02 14-Pin Quad NOR Gate IC Signal Reducer(CasMotorOn & DskMotoron; A15 & A14) & Invertor (MotorOn*, Quad1*, Turbo*)
1 × 74LS257 16-Pin Quad 2-to-1 Mux IC, Selecting Model I/III or Model II/4 Modes Output Enabled during T2-T3 in Z80 Bus Cycle by MUX*/NEXT* (J4). Selects Quad1* (x3) & Switch for Model I/III Mode; selects ROMCE*,KEYB*,VID*, & Switch for Model II/4 Mode. Selection done by SEL1 Model 4 Memory Map bit.
1 × 7407 14-Pin Hex Buffer IC, Open Collector. Negative Logic Wire-OR for LS257 Mux Output Changes LS257 Mux Output from Tri-State to O/C, allows wire-or of outputs, isolation of output as input to NATIVE* Slow Clock Enable signal
1 × 74LS175 16-Pin Quad D Flip-Flop IC, Common Clock (from Turbo Z80 clock signal). MR tied High. Stretches buffered LS257 7407 Hex Buffer, Open Collector. Negative-Logic Wire-OR Mux Output for 4 additional T-States (1 M1 Cycle)
1 × 7407 14-Pin Hex Buffer IC, Open Collector. Negative Logic Wire-OR for LS175 Stretch Outputs Changes LS175 FlipFlop Outputs to O/C, allows wire-or of outputs, summed with isolated output of previous 7407, to create NATIVE* Slow Clock Enable signal. Also isolates NATIVE* and FAST (J4) for mixing & inversion to create TURBO* Fast Clock Enable signal.
2 × In-Line Resistor Packs, x7, 4.7 k-ohms Pull-down resistors for unconnected lines
2 × In-Line Resistor Packs, x8, 100 ohms Pull-up resistors for o/c outputs & Enable Switch
8 × Bypass Capacitors 100nf Quiets power & ground on ICs
3 × Bypass Capacitors 30pf Quiets signal spikes
1 × Steering CMTE Logic Board Circuit Board Includes ground plane & power plane for ICs above
2 × 22-ga Bodge Wires Connecting Logic Board Ground & Power Planes to Power Rails on TRS-80 Steering CMTE Distribution Board Vcc, Ground
4 × 30-ga Bodge Wires Connecting Logic Signals Between TRS-80 Steering CMTE Logic Board & Distribution Board TRS-80 Motherboard Clock -- J7 to J12. Turbo Z80 Clock -- J6 to LS175. N8V* Slow Clock Enable Signal -- 7407 to J13. Turbo* Fast Clock Enable Signal -- LS02 to J13.
1 × Steering CMTE Distributor Board Circuit Board Includes ground plane & power plane for whole interface. Pin Connectors for two 60-pin ground, power, & Z80 Signal Passthrough Cables, 2 power input connecter from the TRS=80 (1 Molex J0, 1 4-pin Berg J11) , 2 interface signal cable connectors (J12 & J13), 6 Bodge wires above connecting Distribution Board to Logic Board.
10 × Bypass Capacitors #106, Stabilizing Steering CMTE Power Between Ground & Vcc
1 × SP3T Switch, Taken From Dino Boards Turbo Z80 Kit Connects to & Selects Vcc, Ground, and +12 volts, routed to J12
1 × 4-Pin Female Molex Power Connector J0 +5 Volts - Ground - Ground - +12 Volts. Tied in parallel & mounted back-to-back to J11
1 × 4-Pin Right-Angle Male Berg Power Pin Header J11 +5 Volts - Ground - Ground - +12 Volts. Tied in parallel & mounted back-to-back to J0
1 × 4-Pin Right-Angle Male Berg Signal Pin Header for Aux Power & TRS-80 Clock J12 Aux - Ground - Ground - TRS-80 Clock. Aux from SP3T Switch, TRS-80 Clock from Bodge Wire tied to pin 6 of 40-pin wire-wrap socket on Logic Board, Grounds from Ground Rails after the bypass caps
1 × 4-Pin Right-Angle Male Berg Signal Pin Header for NATIVE* & TURBO* J13 N8V* - Ground - Ground - TURBO*. N8V* & TURBO* from Bodge Wires from Logic Board, Ground from Ground Rails after the bypass caps
2 × Pin Headers, 10-Pin. J6/J9. Mounted In-Line w/Pins from 40-Pin Wire-wrap Socket Above (2) sets 10 Vcc lines, tied to power plane after bypass caps, to provide clean power to RC2014 RC80/BP80 Bus & Turbo Z80 card, via the Receiving Board
4 × Female IDC Connectors, 60 (2x30) Conductors For 2 Ground/Power/Z80 Signal Passthrough cables from Distribution Board to Receiving Board
2 × 15-Inch Flat Ribbon Cables, 60-Conductor For 30 Ground/10 Vcc/20 Z80 Signals Each, from Distribution Board to Receiving Board
4 × Female Berg Signal Connectors For Signal Cables at J12 & J13, 2 sets of twisted-pair cables attached to each connector
4 × 15-Inch Twisted Pair Cables, 22ga., Signal & Ground Aux/Ground, TRS-80 Clock/Ground, N8V*/Ground, TURBO*/Ground. Female Berg connectors each end
2 × Pin Headers, 30-Pin. J5 & J10. Physically Mounted in Parallel w/J6/J7 & J8/J9 Tied to Ground plane after bypass caps, to provide a clean ground to the RC2014 RC80/BP80 & Turbo Board via Receiver Board
1 × Steering CMTE Receiver Board Circuit Board Ground/Power Planes. 2 60-Pin Passthrough Pin Headers, 2 4-Pin Right-Angle Berg Headers, 10 Bypass capacitors, Ground/Power Bodge wires to RC2014 after bypass caps, Ground/Aux wires to RC2014, Ground/TRS-80 Clock to RC2014, N8V*/TURBO* to Turbo Z80 Board
1 × 4-Pin Right-Angle Male Berg Signal Pin Header for Aux Power & TRS-80 Clock J14 Receiver Board receives signals from Distributor Board J12; Aux - Ground - Ground - TRS-80 Clock. 2 Ground wires connected to Receiver Board Ground rails before bypass caps & to RC2014 RC80/BP80 Bus User Pin 42 Aux Ground. Additional Bodge wires connect Aux Power to RC2014 RC80/BP80 User Pin 41 Aux Power, TRS-80 Clock signal to RC2014 Bus Clock Pin 21.
1 × 4-Pin Right-Angle Male Berg Signal Pin Header for NATIVE* & TURBO* J15 Receiver Board receives signals from Distributor Board J13; N8V* - Ground - Ground - TURBO*. 2 Ground wires connected to Receiver Board Ground rails before the bypass caps. 2 Bodge wires to Turbo Z80 Board, pads where speed switch was removed: N8V* patched to upper contact pad, signal SLOWCLOCK*, selecting clock signal from RC2014 Bus; TURBO* patched to lower contact pad, signal FASTCLOCK*, selecting clock signal sourced from 16Mhz crystal onboard Turbo Z80 Board.
2 × Pin Header, 30-Conductor. Provides Ground Connection Through PassThrough Cable J16 & J17 All pins tied to Receiver Board Ground Rails before bypass caps. Bodge wires after bypass caps to RC2014 RC80/BP80 Bus Pins 17 & 57
2 × Pin Header, 10-Conductor. Provides Vcc to Turbo Z80 Board & RC2014 RC80/BP80 Bus J18 & J19 All pins tied to Receiver Board Power Rails before bypass caps. Bodge wires on other side bypas caps to RC2014 RC80/BP80 Bus Pins 18 & 58
1 × Wire-Wrap DIP Socket, 40-Pin, Replaces Ordinary DIP Socket, 40-Pin on Turbo Z80 Board, J20 & J21 One socket treated as 2 separate connectors, splits Z80 signals pins 1-20 from pins 21-40, each side inline with 10-Pin Vcc Headers above, physically parallel to 30-Pin Ground Headers above. Socket pins 1-20 & Vcc are the odd pins on one 60-pin/2x30 passthrough cable, while Grounds are on the even pins. Socket pins 40-21 & Vcc on the other 60-pin/2x30 passthrough cable are on the even pins, and Grounds are on the odd pins.
10 × Bypass Capacitors #106. Stabilizing RC2014 Bus & Turbo Z80 Board Power Between Ground & Vcc
3 × Signal Bodge Wires, 30ga. Receiver Board to Z80 Turbo Board TRS-80 Clock: J14 to RC2014 Bus Pin 21. N8V*: J15 to Z80 Turbo Board upper switch pad, SLOWCLOCK*. TURBO*: J15 to lower switch pad, FASTCLOCK*.
6 × Power Bodge Wires, 22ga. Receiver Board to RC2014 RC80/BP80 Interface Aux Power: J14 to BP80 User Pin 41. Aux Ground: J14 to BP80 User Pin 42. Vcc: Receiver Board Power Rails after the bypass caps, to BP80 Pins 18 & 58. Ground: Receiver Board Ground Rails after the bypass caps to BP80 Pins 17 & 57.