![SPI 25xx PCB5.0T programmatore BIOS della scheda madre scrittore EPROM multifunzionale BIOS009 supporto PIC 0.98 SPI 25xx PCB5.0T programmatore BIOS della scheda madre scrittore EPROM multifunzionale BIOS009 supporto PIC 0.98](https://ae01.alicdn.com/kf/S76d308c750544e66ad9e7bfea0215fe3w.jpg_640x640Q90.jpg_.webp)
SPI 25xx PCB5.0T programmatore BIOS della scheda madre scrittore EPROM multifunzionale BIOS009 supporto PIC 0.98
![Texas Instruments TMS2532 - 1979 Vintage; EPROM - used in #1ESS switch from Western Electric. For those not familiar the #1ESS was used as a local switch in the Bell System later Texas Instruments TMS2532 - 1979 Vintage; EPROM - used in #1ESS switch from Western Electric. For those not familiar the #1ESS was used as a local switch in the Bell System later](https://i.redd.it/texas-instruments-tms2532-1979-vintage-eprom-used-in-switch-v0-hc7hjgojspva1.jpg?width=6800&format=pjpg&auto=webp&s=bd6351abed3349aaf22cbde0e35018cc391253d4)
Texas Instruments TMS2532 - 1979 Vintage; EPROM - used in #1ESS switch from Western Electric. For those not familiar the #1ESS was used as a local switch in the Bell System later
![EPROM switcher- Have separate street and race programs in your Motronic - Rennlist - Porsche Discussion Forums EPROM switcher- Have separate street and race programs in your Motronic - Rennlist - Porsche Discussion Forums](http://forums.rennlist.com/upload/eprom_switcher.jpg)