Removing eeprom from memcal.

[Methuselah]

I got the bright idea to do this last night on a whim. I wanted to compare it the the Hypertech chip so I started prying it out. I was not aware that the legs of the prom are soldered to some extra doodads that clip into the plastic carrier.

Was this done just once and then everyone realized that it was easier to have the stock bin given to you, rather than retrieving it yourself?

Thanks.

 

[leroy]

Re: Removing eeprom from memcal.

I got the bright idea to do this last night on a whim. I wanted to compare it the the Hypertech chip so I started prying it out. I was not aware that the legs of the prom are soldered to some extra doodads that clip into the plastic carrier.

Was this done just once and then everyone realized that it was easier to have the stock bin given to you, rather than retrieving it yourself?

Thanks.

I have a modified header I bought from Digikey that plugs into the first 28 pins of the memcal. The other end plugs into the programmer.

I have removed eproms and replaced them with sockets. The quickest way is to use a heat gun on low. Protect the rest of the memcal with aluminum foil, and pry on the eprom gently as it is heated.

HTH,
Jim

 

[Methuselah]

Re: Removing eeprom from memcal.

When you put the socket in place of the prom do you keep the goofy connectors in place, and solder the leads of the socket to them?

I'll stick to using the Hypertech adapter for chipping and forget about the stock bin

Thanks Jim.

 

[leroy]

Re: Removing eeprom from memcal.

When you put the socket in place of the prom do you keep the goofy connectors in place, and solder the leads of the socket to them?

Yes.

Jim

 

[Anthony]

Re: Removing eeprom from memcal.

When you put the socket in place of the prom do you keep the goofy connectors in place, and solder the leads of the socket to them?

I'll stick to using the Hypertech adapter for chipping and forget about the stock bin

If you don't care about the stock chip, you can also snip its pins to get it out, and then take a tweezers and pull out what's left of the pins after you heat them a bit. Just thought I'd throw that out there for ya

Anthony

 

[Methuselah]

I needed to survey the damage I did trying to pry it out before realizing the leads were soldered to the carrier. I took a soldering iron and a small flat head screwdriver and very briefly heated the lead up until the slight pressure from the screwdriver on the side of the lead snapped it away from the carrier terminals. Much easier that what you schmucks told me

However I did damage about 4-5 of those carrier terminals from the previous nights prying. How irritating. The damn things should be more substantial so that the spring action of a metal tab is all that is required to hold the chip in.

Thanks.

 

[skwayb]

Just go to www.moates.net

He has a pin header that plugs into the memcal so you can read the chip off in a programmer. It is $10.00.

HDR1 - Memcal Header Plugs into your 'stock' P4-style Memcals. Allows you to download your original 'factory' chip contents directly using a chip programmer/reader. Very durable for repeated use.