Fingers Crossed for 2021 ...

2020 was the worst! COVID kept the museum closed for much of the year and a mains water pipe bursting causing a flood kept us closed for the rest. 
We're hoping to re-open in the next few months ... fingers crossed! Read More >>>

Please Donate Via Just GivingNo visitors, no workshops, no events, no school visits... no income. We know that things are tough for everyone right now, but if you can afford to help us through these tough times please donate what you can.

There's over 36,000 exhibits here! That should keep you occupied for a bit - get searching!

Or come and get involved on our social media channels ...

      Twitch  Facebook          Online Gift Shop      

Thank you.

The Serial Port, Dual Serial & Printer Port (Issue 2)

An Issue 2 Dual Serial & Printer Board with ROM version 0.41. These boards have a maximum speed of 230400 bps.

Later serial cards were produced by Atomwide . Detail of the Atomwide card is HERE .

Issue 1 & 2 boards only work in RiscPCs if the EPROM is removed and the driver softloaded. The latest drivers for Issue 1 & 2 cards is HERE .

Further details of the Dual Serial Board and the driver software are available on Hugo Fiennes  web site.

Date : 1993

Manufacturer : P.C. Arnold Technical Services

Physical Description : Expansion board.

This exhibit has a reference ID of CH49043. Please quote this reference ID in any communication with the Centre for Computing History.
 

Scan of Document: The Serial Port, Dual Serial & Printer Port (Issue 2)

Click on the Image For Detail






Help support the museum by buying from the museum shop

View all items

Founding Sponsors
redgate Google ARM Real VNC Microsoft Research
Heritage Lottery Funded
Heritage Lottery Fund
Accredited Museum