Thank you sir.
EDIT:
Found this on another board, posting here because it may be useful to someone else down the road:
Quote:
pin 1 is R/W_, goes direct to pin 34 of 2A03 CPU and pin 13 of IC 3G and pin 21 (WE) of IC 2K (2K x 8 bits SRAM / Work RAM)
pin 2 is D0, goes direct to pin 9 of IC 2K ( WRAM) and pin 3 of IC 8F and pin 3 of IC 8E and pin B30 of PC10 ROM cart slot and direct to pin 18 of IC 1K (LS245, 3 state Bus Tranceiver) then out of pin 2 of IC 1K direct to pin 28 of 2A03 CPU
pin 3 is D1, goes direct to pin 10 of IC 2K (WRAM) and pin 5 of IC 8F and pin 5 of IC 8E and pin B29 of PC10 ROM cart slot and pin 17 of IC 1K (LS245, 3 state Bus Tranceiver) then out of pin 3 of IC 1K direct to pin 27 of 2A03 CPU
pin 4 is D2, goes direct to pin 11 of IC 2K (WRAM) and pin 9 of IC 8F and pin 9 of IC 8E and pin B28 of PC10 ROM cart slot then and pin 16 of IC 1K (LS245, 3 state Bus Tranceiver) then out of pin 4 of IC 1K direct to pin 26 of 2A03 CPU
pin 5 is D3, goes direct pin 13 of IC 2K (WRAM) and pin 11 of IC 8F and pin 11 of IC 8E and pin B27 of PC10 ROM cart slot and to pin 15 of IC 1K (LS245, 3 state Bus Tranceiver) then out of pin 5 of IC 1K direct to pin 25 of 2A03 CPU
pin 6 is D4, goes direct to pin 14 of IC 2K (WRAM) and pin 13 of IC 8F and pin 13 of IC 8E and pin B26 of PC10 ROM cart slot and pin 14 of IC 1K (LS245, 3 state Bus Tranceiver) then out of pin 6 of IC 1K direct to pin 24 of 2A03 CPU
pin 7 is D5, goes direct to pin 15 of IC 2K (WRAM) and pin B25 of PC10 ROM cart slot and pin 13 of IC 1K (LS245, 3 state Bus Tranceiver) then out of pin 7 of IC 1K direct to pin 23 of 2A03 CPU
pin 8 is D6, goes direct to pin 16 of IC 2K (WRAM) and pin B24 of PC10 ROM cart slot and pin 12 of IC 1K (LS245, 3 state Bus Tranceiver) then out of pin 8 of IC 1K direct to pin 22 of 2A03 CPU
pin 9 is D7, goes direct to pin 17 of IC 2K (WRAM) and pin B23 of PC10 ROM cart slot and pin 11 of IC 1K (LS245, 3 state Bus Tranceiver) then out of pin 9 of IC 1K direct to pin 21 of 2A03 CPU
pin 10 is RS2 (PRG A02), goes direct to pin 6 of 2A03 CPU (A2) and pin 6 of IC 2K (WRAM) and pin 15 of IC 1L (3-state Bus Tranceiver) then comes out of pin 5 of IC 1L then goes direct to C25 of PC10 ROM cart slot
pin 11 is RS1 (PRG A01), goes direct to pin 5 of 2A03 CPU (A1) and pin 7 of IC 2K (WRAM) and pin 2 of IC 1L (3-state Bus Tranceiver) then comes out of pin 18 of IC 1L then goes direct to C24 of PC10 ROM cart slot
pin 12 is RS0 (PRG A00), goes direct to pin 4 of 2A03 CPU (A0) and pin 8 of IC 2K (WRAM) and pin 17 of IC 1L (3-state Bus Tranceiver) then comes out of pin 3 of IC 1L then goes direct to C23 of PC10 ROM cart slot
pin 13 is DBE_, goes direct to pin 5 of IC 2L (74LS139, Dual 2-to-4 line decoder/demultiplexer)
pin 14 is Red, goes direct to Base of transistor Q11
pin 15 is Green, goes direct to Base of transistor Q14
pin 16 is Blue, goes direct to Base of transistor Q17
pin 17 is labelled as "MV GND" and goes direct to PC10's Ground and direct to pin 11 of IC 3E (Op. Amp. LM324's Ground)
pin 18 is CLocK, goes into pin 10 of IC 2G (74S04N, Hex Inverter)
pin 19 is INTerrupt (NMI_) and goes direct to pin 33 (NMI_) of 2A03 CPU, also through 10K ohms and then onto the main rail around the edge of the board, then through 120Ohms to ground. Also pin 19 goes to pin 13 of IC 8G (74LS04N, Hex Inverter)
pin 20 PPU goes directly to Ground (0V)
pin 21 is SYNC_, goes THROUGH C21 0.2uF CAPACITOR and then through 100K resistor, then through 120Ohms to ground. Also goes through this capacitor to the Base of transistor Q8 (C1740)
pin 22 is RST_ (PPU Reset), goes direct to pin 6 of IC 7E (LS 259) and to pin 9 of IC 3G (74LS04, Hex Inverter)
pin 23 is WE_, goes direct to pin 21 of IC 4k (VRAM, 6116, 2K x 8 bits CMOS Static RAM) and to pin 8 of IC 3M (LS244, Bus Transceiver), then out of pin 12 of IC3M to A19 of PC10 ROM cart socket
pin 24 is RD_, goes direct to pin 20 (OE) of IC 4k (VRAM, 6116, 2K x 8 bits CMOS Static RAM), and also via C44 68pF capacitor to ground, and goes (optionally) via SL5 solder enablable link to C45 100pF cap, then to ground
pin 25 is PA13, goes direct to pin 10 of IC 5S (LS368A, Buffer) then out of pin 9 of IC 5S and into B12 of PC10 ROM cart socket labelled as PA13 (inverted) (IC 5S on the schematic is acting as an inverter) and also from PPU pin 25 direct to pin 6 of IC 3M (LS 244, Bus Tranceiver)
pin 26 is PA12, goes direct to pin 13 of IC 3M (LS 244, Bus Tranceiver with the pin 1 i.e. data flow DIRection control pin grounded) then out of pin 7 of IC 3M then into PA12 i.e. A17 of PC10 ROM cart socket.
pin 27 is PA11, goes direct to pin 4 of IC 3M (LS 244, Bus Tranceiver with the pin 1 i.e. data flow DIRection control pin grounded) then out of pin 16 of IC 3M then into PA11 i.e. A16 of PC10 ROM cart socket.
pin 28 is PA10, goes direct to pin 15 of IC 3M (LS 244, Bus Tranceiver with the pin 1 i.e. data flow DIRection control pin grounded) then out of pin 5 of IC 3M then into PA10 i.e. A15 of PC10 ROM cart socket.
pin 29 is PA9, goes direct to pin 22 of IC 4K (VRAM, 6116, 2K x 8 bits CMOS Static RAM) and goes direct from pin 22 of VRAM to pin 2 of IC 3M (LS 244, Bus Tranceiver with the pin 1 i.e. data flow DIRection control pin grounded) then out of pin 18 of IC 3M then into PA9 i.e. A14 of PC10 ROM cart socket.
pin 30 is PA8, goes direct to pin 23 of IC 4K (VRAM, 6116, 2K x 8 bits CMOS Static RAM) and goes direct from pin 23 of VRAM to pin 17 of IC 3M (LS 244, Bus Tranceiver with the pin 1 i.e. data flow DIRection control pin grounded) then out of pin 3 of IC 3M then into PA8 i.e. A13 of PC10 ROM cart socket.
PPU pin 31 is AD7, goes direct to pin 18 of IC 3K (Toshiba TC74HC373AP, Octal i.e. eight D-Type Latches) then out of pin 19 of IC 3K and into A7 i.e. pin 1 of IC 4K (VRAM, 6116, 2K x 8 bits CMOS Static RAM) and from A7 of VRAM direct to pin PA7 i.e. C14 of PC10 ROM cart socket. Also PPU pin 31 goes direct to AD 7 (D7) i.e. pin 17 of VRAM and goes direct from pin 17 of VRAM to PD7 i.e. B13 of PC10 ROM cart socket.
PPU pin 32 is AD6, goes direct to pin 3 of IC 3K (Toshiba TC74HC373AP, Octal i.e. eight D-Type Latches) then out of pin 2 of IC 3K and into A6 i.e. pin 1 of IC 4K (VRAM, 6116, 2K x 8 bits CMOS Static RAM) and from A6 of VRAM direct to pin PA6 i.e. C15 of PC10 ROM cart
socket. Also PPU pin 32 goes direct to AD 6 (D6) i.e. pin 16 of VRAM and goes direct from pin 16 of VRAM to PD6 i.e. B14 of PC10 ROM cart socket.
PPU pin 33 is AD5, goes direct to pin 17 of IC 3K (Toshiba TC74HC373AP, Octal i.e. eight D-Type Latches) then out of pin 16 of IC 3K and into A5 i.e. pin 3 of IC 4K (VRAM, 6116, 2K x 8 bits CMOS Static RAM) and from A5 of VRAM direct to pin PA5 i.e. C16 of PC10 ROM cart
socket. Also PPU pin 33 goes direct to AD 5 i.e. pin 15 of VRAM and goes direct from pin 15 of VRAM to PD5 i.e. B15 of PC10 ROM cart socket.
PPU pin 34 is AD4, goes direct to pin 4 of IC 3K (Toshiba TC74HC373AP, Octal i.e. eight D-Type Latches) then out of pin 5 of IC 3K and into A4 i.e. pin 4 of IC 4K (VRAM, 6116, 2K x 8 bits CMOS Static RAM) and from A4 of VRAM direct to pin PA4 i.e. C17 of PC10 ROM cart
socket. Also PPU pin 34 goes direct to AD 4 i.e. pin 14 of VRAM and goes direct from pin 14 of VRAM to PD4 i.e. B16 of PC10 ROM cart socket.
PPU pin 35 is AD3, goes direct to pin 14 of IC 3K (Toshiba TC74HC373AP, Octal i.e. eight D-Type Latches) then out of pin 15 of IC 3K and into A3 i.e. pin 5 of IC 4K (VRAM, 6116, 2K x 8 bits CMOS Static RAM) and from A3 of VRAM direct to pin PA3 i.e. C18 of PC10 ROM cart
socket. Also PPU pin 35 goes direct to AD 3 i.e. pin 13 of VRAM and goes direct from pin 13 of VRAM to PD3 i.e. B17 of PC10 ROM cart socket.
PPU pin 36 is AD2, goes direct to pin 7 of IC 3K (Toshiba TC74HC373AP, Octal i.e. eight D-Type Latches) then out of pin 6 of IC 3K and into A2 i.e. pin 6 of IC 4K (VRAM, 6116, 2K x 8 bits CMOS Static RAM) and from A2 of VRAM direct to pin PA2 i.e. C19 of PC10 ROM cart
socket. Also PPU pin 36 goes direct to AD 2 i.e. pin 11 of VRAM and goes direct from pin 11 of VRAM to PD2 i.e. B18 of PC10 ROM cart socket.
PPU pin 37 is AD1, goes direct to pin 13 of IC 3K (Toshiba TC74HC373AP, Octal i.e. Eight D-Type Latches) then out of pin 12 of IC 3K and into A1 i.e. pin 7 of IC 4K (VRAM, 6116, 2K x 8 bits CMOS Static RAM) and from A1 of VRAM direct to pin PA1 i.e. C20 of PC10 ROM cart
socket. Also PPU pin 37 goes direct to AD 1 i.e. pin 10 of VRAM and goes direct from pin 10 of VRAM to PD1 i.e. B19 of PC10 ROM cart socket.
PPU pin 38 is AD0, goes direct to pin 8 of IC 3K (Toshiba TC74HC373AP, Octal i.e. Eight D-Type Latches) then out of pin 9 of IC 3K and into A0 i.e. pin 8 of IC 4K (VRAM, 6116, 2K x 8 bits CMOS Static RAM) and from A0 of VRAM direct to pin PA0 i.e. C21 of PC10 ROM cart
socket. Also PPU pin 38 goes direct to AD 0 i.e. pin 9 of VRAM and goes direct from pin 9 of VRAM to PD0 i.e. B20 of PC10 ROM cart socket.
pin 39 is ALE, goes direct to pin 2 of IC 4L (LS367A), and goes (optionally) via SL2 solder enablable link to pin 11 of IC 3K (TC74HC373), then via 120 Ohms to ground (well, 117.3 Ohms as I measured it)
pin 40 is +VCC, +5V in