Date: >LAST_DATE_TIME Sheet: >SHEET REV: TITLE: Document Number: >DRAWING_NAME <b>FRAME</b><p> DIN A3, landscape with extra doc field One-wide female edge connector V U T S R P N M L K J H F E D C B A 1 2 2 1 >Name >Name Two-wide Female Edge Connector V U T S R P N M L K J H F E D C B A 1 2 2 1 >Name >Name >Name 2 1 >Name 2 1 A B C D V U S P M K E H F J L N R T One-wide female edge connector, 18 pin V U T S R P N M L K J H F E D C B A >Name >Name One-wide female edge connector, Side 2 only V U T S R P N M L K J H F E D C B A 1 2 2 1 >Name >Name D C 1 0 S R >Part >Value >Part VCC GND GND >Part D 1 0 C S R >Part K2 >Value >Part D 1 0 C S R A1 >Value >Part >Value +3V +5V >Part >Part >Value .05us .15us .25us .35us .45us .0us .1us .2us .3us .4us .5us >Part >Value >Part >Value >Part >Value >Part >Value >Part >Value >Part >Value >Part >Value D C 1 0 >Part >Value D C 1 0 >Value >Part D C 1 0 >Part >Value D C 1 0 >Value >Part D C 1 0 >Part >Value D C 1 0 >Value >Part D C 1 0 >Part >Value D C 1 0 >Value >Part >Part >Value >Part >Value ADD >Part >Value >Part >Value AM2 AP1 BA1 BB1 AJ1 AU2 >Part >Value Filter ST D C 1 0 R +3V 2us D C 1 0 R +3V 2us MFTS2\\ MFTP2\\ >Part -15V >Part >Value >Part >Value ADD >Part >Value >Value >Part AN1 AL2 AV2 AV1 AK2 AS1 H L 0 -V >Part >Value >Part >Part >Part +5V >Part -3 0 >Value >Value >Value >PART >Value 35us 5us >Part >Value >Value >Part >Part +3V >Part >Value >Value >Part >Part >Value >Value >Part >Part >Value >Value >PART >VALUE Power Fail and Restart PWR_LOW STOP_OK RESTART RESTART_ PWR_LOW_ PWR_SKIP_ MB03_ MB04_ MB05 MB06_ MB07_ MB08_ IOP2 SHUT_DOWN_ INITIALIZE_ -30V -6V PWR_CLR\\ PWR_OK\\ THERMISTOR OUTPUT >Part >Value SHUT_DOWN\\ STOP_OK Two sets of 3 D flip-flops 10 2-input NAND Gates Tapped Delay Line 8 3-input NAND Gates Simple 36 pin connector/wire cable One-sided 9 pin connector/cable with grounds (Negibus). PDP-8 Major Registers Hex Negative Bus Receiver Manual Function Timing and Run 6 4-input NAND Gates AND-NOR Gates Two sets of 3 D flip-flops 6 4-input NAND Buffers 3 8-input NAND Gates M720 Memory Detection Parity Circuit Hex Positive Bus Receiver Positive Level Driver Positive Level Driver Empty Slot Power Supply Connector M703 Power Fail and Restart Regulator and Power Detector >VALUE >VALUE >VALUE <b>SUPPLY SYMBOL</b> <b>SUPPLY SYMBOL</b> <b>SUPPLY SYMBOL</b> BUGBUG: This was done based on proximity, ignoring issues of. authenticity. (Fanout has been checked.) EAE Disable Jumpers (blue wire wrap): F39F1 to GND. MQ_ENABLE F39F2 to GND. SC_ENABLE F24C1 to +3 volts EAE_NO_SHIFT_ENABLE F31D2 to +3 volts EAE_MEM_ENABLE F33P2 to GND B EAE_ON F28R1 to +3 volts EAE_ON_ F23H2 to +3 volts EAE_E_SET E28L1 to GND EAE_L_ DISABLE Must tie either S or S_ to GND if no DL8i F11M2 (or possibly F11H2 or F11N2) to F11U1, CUF to +3V E13D1 to E15M2, UF(0) to +3V J13U2 to H13P2 ME5 to +3V F19N1 to F19N2 UINT to +3V E18U1 to B4V1 SKIP ored to SKIP(1) KT8I Disable Jumpers (blue wire wrap): (from Dave Gesswein) (from Dave Gesswein) In this drawing: Unused Slots: Notes and Table of Contents ECOs Believed to be Integrated: 8i-00001 8i-00085 Buffer MEM_START and TP2. Delay TP3 50ns so slow MM can meet set up for adder. Need a proper jumper list for dl8i, like those below. This signal was added by an ECO, but lacks a driver. I've added a connector pin here, for now. BUGBUG: TP4 seems hopelessly overloaded, given 8i-00013 8i-00054 8i-00002 8i-00015 8i-00020 8i-00021 8i-00025 8i-00050 8i-00042 8i-00081 8i-00086 8i-00029 8i-00046 8i-00071 8i-00069 8i-00009 8i-00034 8i-00059 8i-00067 8i-00084 8i-00026 8i-00024 8i-00032 8i-00052 8i-00068 8i-00093 8i-00096 8i-00099 Other ECOs Known to Exist: that clock inputs are 2 standard TTL loads. D-CS-8i-0-27 Console switches and Indicators D-MU-8i-0-17 Module Utilization D-MU-8i-0-17 Module Utilization D-MU-8i-0-17 Module Utilization D-MU-8i-0-17 Module Utilization D-MU-8i-0-17 Module Utilization D-MU-8i-0-16 Module Utilization D-MU-8i-0-16 Module Utilization D-BS-8i-0-2 Timing, Manual Functions and Run (1/2) Notes and Table of Contents 1 2 3 4 5 6 D-BS-8i-0-2 Timing, Manual Functions and Run (2/2) D-BS-8i-0-3 Instruction Register and Major States D-BS-8i-0-4 Register Output Gate Control D-BS-8i-0-5 Shift and Carry Gate Control 7 8 9 10 11 12 D-BS-8i-0-6 Register Input Control and Skip D-BS-8i-0-7 Interrupt and Break Control D-BS-8i-0-9 Major Registers Gating (3/4) 13 14 15 16 17 18 19 20 21 22 23 24 25 26 D-BS-kt8i-0-1 Time-share Option 27 28 29 30 31 32 33 34 35 37 38 39 D-BS-ke8i-0-3 Multiplier Quot. and Step Counter D-BS-8i-0-8 Major Registers D-BS-8i-0-9 Major Registers Gating (1/4) D-BS-8i-0-10 I/O Level Converter D-BS-8i-0-9 Major Registers Gating (2/4) D-BS-8i-0-9 Major Registers Gating (4/4) D-BS-8i-0-11 Teletype Receivers D-BS-vc8i-0-1 Display Control D-BS-mc8i-0-2 Inhibit Drivers D-BS-8i-0-12 Teletype Transmitter D-BS-8i-0-13 Memory Control D-BS-8i-0-14 Sense Amps and Inhibit Drivers D-BS-8i-0-15 X Axis Selection D-BS-8i-0-16 Y Axis Selection D-BS-mc8i-0-1 Memory Extension Control (1/2) D-BS-mc8i-0-1 Memory Extension Control (2/2) D-BS-mc8i-0-3 X Axis Selection D-BS-mc8i-0-4 Y Axis Selection D-BS-ke8i-0-2 EAE Control D-BS-dl8i-0-2 Data Line Interface D-BS-mp8i-0-1 Memory Parity Option (1/2) D-BS-mp8i-0-1 Memory Parity Option (2/2) D-BS-kp8i-0-1 Power Fail and Restart Option D-BS-vp8i-0-1 Plotter Control D-BS-pp8i-0-1 High Speed Punch D-BS-kw8i-0-1 Real Time Clock Option 36 D-BS-pr8i-0-1 High Speed Reader D-BS-cr8i-0-2 Card Reader Control #1 D-BS-cr8i-0-3 Card Reader Control #2 40 Unused This kludge added by VRS, since IO_PC_LOAD isn't driven. VRS -- substituted latch for cross-coupled gates on sheet 30. VRS -- substituted latch for cross-coupled gates on sheet 22. D-BS-8i-0-2 Timing, Manual Functions and Run (1/2) STROBE_ STROBE_ 8i-00085 8i-00054 8i-00054 For the ka8i the I/O strobe delay line tap is changed from pin F12T2 to F12V2 to increace delay to 0.5us. * To be installed with the first mm8ia only. * * This may be an issue for non-wire-wrap-backplanes. D-BS-8i-0-2 Timing, Manual Functions and Run (2/2) D-BS-8i-0-3 Instruction Register and Major States 8i-00025/29/46? D-BS-8i-0-4 Register Output Gate Control 8i-00002/13/50/71? 8i-00002/13/50/71? 8i-00002/13/50/71? 8i-00002/13/50/71? D-BS-8i-0-5 Shift and Carry Gate Control 8i-00002/25/50? * * If no kt8i installed, SKIP_OR is jumpered to SKIP. See option jumpers (8i-0-23). D-BS-8i-0-6 Register Input Control and Skip 8i-00013/25/50? 8i-00013/25/50? D-BS-8i-0-7 Interrupt and Break Control 8i-00002 or 8i-00020? 8i-00002 or 8i-00020? D-BS-8i-0-8 Major Registers REG_BUS00 REG_BUS01 REG_BUS02 REG_BUS03 REG_BUS04 REG_BUS05 REG_BUS06 REG_BUS07 REG_BUS08 REG_BUS09 REG_BUS10 REG_BUS11 D-BS-8i-0-9 Major Registers Gating (1/4) REG_BUS00 REG_BUS01 REG_BUS02 CARRY_OUT3_ D-BS-8i-0-9 Major Registers Gating (2/4) REG_BUS03 REG_BUS04 REG_BUS05 D-BS-8i-0-9 Major Registers Gating (3/4) REG_BUS06 REG_BUS07 REG_BUS08 CARRY_OUT9_ D-BS-8i-0-9 Major Registers Gating (4/4) REG_BUS09 REG_BUS10 REG_BUS11 D-BS-8i-0-10 I/O Level Converter 8i-00009? 1. For ka8i, substitute D-BS-ka8i-0-1 for this print. 2. G717 is always placed at the end of the I/O bus. (Place G717 in location J02 if no options on the I/O bus.) D-BS-8i-0-11 Teletype Receivers D-BS-8i-0-12 Teletype Transmitter D-BS-8i-0-13 Memory Control Power Cabling: D-BS-8i-0-14 Sense Amps and Inhibit Drivers D-BS-8i-0-15 X Axis Selection D-BS-8i-0-16 Y Axis Selection D-BS-mc8i-0-1 Memory Extension Control (1/2) D-BS-mc8i-0-1 Memory Extension Control (2/2) VRS -- substituted latch for cross-coupled gates +3V D-BS-mc8i-0-2 Inhibit Drivers D-BS-mc8i-0-3 X Axis Selection D-BS-mc8i-0-4 Y Axis Selection NOTE: 8i-0-10 8i-0-12 8i-0-5 8i-0-6 8i-0-6 PIN PRINT LOCATION J13U2 C-6 A-6 B-4 D-2 D-3 (Locations refer to DEC drawings.) F19N1 E27L1 F25S2 F25S1 J13U2 F19N1 E27L1 F25S2 F25S1 D-BS-kt8i-0-1 Time-share Option D-BS-ke8i-0-2 EAE Control D-BS-ke8i-0-3 Multiplier Quot. and Step Counter D-BS-dl8i-0-2 Data Line Interface D-BS-mp8i-0-1 Memory Parity Option (1/2) VRS -- substituted latch for cross-coupled gates D-BS-mp8i-0-1 Memory Parity Option (2/2) D-BS-kp8i-0-1 Power Fail and Restart Option D-BS-vc8i-0-1 Display Control D-BS-vp8i-0-1 Plotter Control D-BS-pp8i-0-1 High Speed Punch D-BS-pr8i-0-1 High Speed Reader D-BS-kw8i-0-1 Real Time Clock Option D-BS-cr8i-0-2 Card Reader Control #1 D-BS-cr8i-0-3 Card Reader Control #2