Texas Instruments TI-Nspire CX EZ-Spot

Date of introduction:  February 25, 2011
 Available: September 2011
Display technology:  LCD dot matrix
 16-bit color, backlit
New price:  $154.99 (SRP 2011) Display size:  240 * 320 pixels 
Size:  7.5" x 3.4" x 0.65"
 190 x 87 x 16 mm3
Weight:  8.5 ounces, 242 grams Serial No:  2068024218
Batteries:  3.7L1060SP Li-Ion Date of manufacture:  mth 06 year 2011 (C)
AC-Adapter:  AC9211U Origin of manufacture:  China (P)
Precision:  14 Integrated circuits:  CPU: ET-LC2010B-0 (T6UJ1XBG-0002),
 SDRAM and Flash: Samsung K511F12ACA
Program steps:  100M Bytes, 64M Bytes Flash-ROM Courtesy of:  Joerg Woerner

To reduce theft of this new school-owned TI-Nspire CX calculator, Texas Instruments introduced on February 25, 2011 the EZ-Spot Teacher Packs with a bright, easy-to-spot, "school bus yellow" design. The design was later changed, don't miss the second edition of the TI-Nspire CX EZ-Spot.

Dismantling this TI-Nspire CX EZ-Spot manufactured in June 2011 by Inventec Corporation in its Pudong Campus in Shanghai, China reveals a very compact design based on just two printed circuit boards (PCB's) with just a few main Integrated Circuits.

Processor: The ARM9 CPU is integrated into an ASIC with the markings ET-LC2010B-0 (T6UJ1XBG-0002), obviously from Toshiba, Japan. The ARM9 core is clocked with 132 MHz compared to the 90 MHz of the previous TI-Nspire.

Memory: Both the NAND Flash-ROM with a capacity of 128 MByte and the SDRAM with a capacity of 64 MByte are integrated into a Multichip Package with the part designation Samsung K511F12ACA.


TI-Nspire CX EZ-Spot (January 2011)
Boot1 Code Version: 3.0.99
Boot2 Code Version: 3.0.127 (April 2011)
Boot1 Code Version: 3.0.99
Boot2 Code Version: 3.0.127 (May 2011) (September 2011) (June 2012) (June 2012) (December 2012)

You can check the ROM version of your TI-Nspire COLOR using the following key sequence and reading the number on your screen:

[HOME] [5] [4] (3.0)

Information provided by Xavier Andréani.

Exam acceptance:

Since the TI-Nspire CX EZ-Spot lacks a QWERTY keyboard it is permitted (as of March 10, 2011) for use on SAT, ACT, PSAT and AP exams.


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© Joerg Woerner, May 30, 2013. No reprints without written permission.