Monthly Archives: October 2017

Northern Telecom Meridian Handset …part 2

Nortel QMV491 Lets look at the other QMV part number. The QMV491BT5 oddly with no manufacturer logo         De-capping the part and I confirm this is another Nortel fabricated part and alongside the copyright and mask registration … Continue reading

Posted in Teardown | Tagged , , , , | 1 Comment

Northern Telecom Meridian Phone (1994)

The Nortel Meridian office phone was a very common phone with many versions made (This is model #M9216).  It’s not uncommon to still find them in use today in offices in this part of the world.   (Reminder to myself … Continue reading

Posted in Teardown | Tagged , , | 3 Comments

Motorola MC6800 MCU

I bought an MC6800 on eBay thinking it would be interesting to look closely at a vintage CPU.  The free shipping from Hong Kong to Canada took ~70 days and had forgotten about it when it did finally arrive.  I … Continue reading

Posted in Die Photo | Tagged , , , | 10 Comments