* <span style="color:#FF0000">The write protection sensing is done using a [[Writepin|switch / pin assembly]].</span>
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The Test Points under the PCB are found near the front of the drive, near the drive LED.
On the 5 pin TP connector:
* pin 1 or pin 2 for head amplifier
* pin 3 is GND
* pin 4 is the index hole detection (high on index)
* pin 5 for track0 sensor (low when on track 0)
Reference: https://www.cpcwiki.eu/forum/amstrad-cpc-hardware/eme-156-mechanics/msg172359/#msg172359
=== EME-156 V ===