NB to PC Serial Cable - Newbrain Information

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NB to PC Serial Cable

Written by Chris Desp

Monday, 16 July 2012

Serial Cable

Nb to pc

How to build a serial cable

Serial Cable

Nb to pc

PC RS232(9 PIN) Signals

1 2 3 4 5

6 7 8 9

1 DCD Data Carrier Detect

2 RXD Receive Data (a.k.a RxD, Rx)

3 TXD Transmit Data (a.k.a TxD, Tx)

4 DTR Data Terminal Ready

5 GND Ground

6 DSR Data Set Ready

7 RTS Request To Send

8 CTS Clear To Send

9 RI Ring Indicator

NB Signals

1 DATA IN

2 CTS

3 POL. (Not USED)

4 DATA OUT

5 RTS

6 GND

Connections

PC Pin NB PIN

2(RXD) 4(Data out)

3(TXD) 1(Data in)

4(DTR)

5(GND) 6(GND)

6(DSR)

7(RTS) 2(CTS)

8(CTS) 5(RTS)

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Saphir17: For the diy-hard NB fanboys... Check Ebay for : GRUNDY NEWBRAIN RETRO COMPUTER MUG (Date: 25/02/2022 16:41)

gillespienewbrain: Hi, Can anyone tell me what commands I need to load a program from PC to NB over serial using PC2NB or the emulator? (Date: 08/08/2019 17:13)

Shoppie: Hello all, Found my old Newbrain in my garage again. The sticker on the bottoms shows I bought it in March 1984.... The good old computer days :-) (Date: 03/04/2018 14:12)