We hate 2020!

Just when we thought 2020 couldn't get any worse! We were about to re-open after many months of being closed but then disaster struck when a mains water pipe burst and flooded much of the ground floor of the museum.
Sadly re-opening has now been postponed. 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.

Pace Mastercard II

Mastercard II provides Apple II+ and //e owners with a versatile, dual function interface. An asynchronous serial port conforming to RS232 standards is combined with an 8-bit parallel 'user port'. The serial port is intended for use in conjunction with communications software such as Data Highway and can be used to communicate bi-directionally with a variety of remote devices, including terminals, printers, nad other computers. All such devices may be connected either directly or via a modem to Mastercard II. A specifc use of the user port is with auto-dialling modems such as Nightingale.

Date : Unknown

Manufacturer : Pace

This exhibit has a reference ID of CH38082. Please quote this reference ID in any communication with the Centre for Computing History.
 

Scan of Document: Pace Mastercard II

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