Power1401 Micro1401
Recent technical history of the 1401 Windows installation

Date Revision Summary
10/16 1.82
  • Improvements for the Power-3A
09/16 1.78
  • Extended to include the Power-3A
12/14 1.77
  • Try1401 includes support for the 4001-03 ADC-16 topbox
03/14 1.76
  • For the Power1401-3 and Power1401 mk II, the ADCMEM command in repeated trigger mode did not reset the sweep end address after reaching the end of the buffer. The first pass through the buffer space worked correctly; subsequent passes sampled from the start of the buffer to beyond the end.
04/13 1.75
  • Improvements to try1401 for Windows 8.
11/12 1.74
  • Improvements to TESTDAC and TEVENT for modern 1401s.
  • Includes Power3 support.
08/12 1.73
  • Improved DMA messaging in Try1401.
06/12 1.72
  • The 1401 number selector in Try1401 has been made more accessible.
05/12 1.71
  • Installs a copy of use1432.dll to support third-party software that make use of this file.
  • The device driver signing has been improved for Windows 8 compatibility and better behaviour in Windows 7.
10/11 1.70
  • 1401 device drivers are now installed or updated automatically on 64-bit Windows.
09/11 1.69
  • Try1401 improved, avoiding clashes with other CED applications.
01/11 1.68
  • More robust USB drivers.
10/10 1.67
  • Important fix for USB driver, corrects possible system memory corruption.
  • Minor fixes for ISA and PCI drivers.
08/10 1.66
  • More robust PCI driver.
04/10 1.65
  • Self-test completion handled better by the USB driver.
10/09 1.64
  • More robust USB drivers.
Cambridge Electronic Design Limited

Registered in England: 972132

Registered office:

  • Cambridge Electronic Design Limited,
  • Technical Centre,
  • 139 Cambridge Road,
  • Milton,
  • Cambridge CB24 6AZ

VAT: GB 214 2617 96

Producer Registration number: WEE/BD0050TZ

Terms and Conditions of Sale

For our US customers, we can provide tax form W-8BEN, that identifies us as a UK company.

DUNS: 219151016
NAICS: 423490
Commodity codes
Hardware: 84716070
Software: 85234945

By email:


By post:
  • Cambridge Electronic Design Limited,
  • Technical Centre,
  • 139 Cambridge Road,
  • Milton,
  • Cambridge CB24 6AZ
By telephone:

(Int.+44) (0)1223 420186

From North America (Toll Free):

1 800 345 7794


Privacy policy

CED, through this site, does two things that relate to privacy. We would like to explain them.

Emails from down-loads

We offer free down-loads of many files on our site, from test programs to complete install files for updated versions of major packages like Spike2 and Signal.

When customers wish to take a down-load of a major package, we ask a few questions, including their name, email address, the serial number of the software for which they seek an upgrade and whether they would like an automatic email whenever we update the product. This information is emailed back to CED when they access the final down-load screen. Within this email, your browser transmits the type and version of browser you are using, and the screen resolution you are running.

The reasons why we take and keep this information are that it is useful for our software development team to know who has taken the latest versions, and it is useful for our web site development team to know which browsers people are using to view our site, and what resolution they have their screens set to.


When people down-load a major package, we try to write a cookie, a small file in your computer, that records your name, serial number of the software package, and the version you are down-loading. These files have a lifetime of one year.

The reasons for storing this information are firstly that if you ask for another down-load some other time, your details are read from the cookie and are pre-written into the form, to save you looking them up again. The other reason is that next time you access our site, your browser looks through your CED cookies and compares the versions down-loaded with the latest version numbers read from our site. If there is a later version of a product you have already down-loaded, we tell you on the home page screen, so you know that it is worth going to the down-load page again.

None of this information is ever given to anyone outside CED. ×