Denial

Full featured 37k RAM expansions, with gold plated edge connector, reset button and full DIP switch controls.

Features:
- RAM expansion in BLK 1,2,3 and 5 areas with read-only mode on switch
- 3k RAM expansion area ($0400-$0FFF)
- IO2 and IO3 areas
- Master enable/disable switch
- Uses only new components - no NOS parts
- Full RoHS compliant boards and components
- Full schematics available

Pricing is 20 Euros or 24.50$US
DIP switches functions:
1- BLK1 RAM enable ($2000-$3FFF)
2- BLK2 RAM enable ($4000-$5FFF)
3- BLK3 RAM enable ($6000-$7FFF)
4- BLK5 RAM enable ($A000-$BFFF)
5- BLK 1,2,3 and 5 read-only/normal
6- BLK 1,2,3,5 enable
7- IO2,3 RAM enable ($9800-$9FFF)
8- 3k RAM enable ($0400-$0FFF)

Yes, there is a battery holder but this feature is untested at this point and not included at the above price.

Nice looking board!

May I ask which PCB house you use?
I will be looking to make a few boards for various projects.

Brad

Good idea making the grounds a bit longer.

Radical Brad wrote:Nice looking board!

May I ask which PCB house you use?

This is a small batch (prototypes). In small quantities, OshPark is the least expensive.

Production units may look different.

norm8332 wrote:Good idea making the grounds a bit longer.

This is Fredric's idea actually.

hi
how order ??

cheers

Laurent

eslapion wrote:In small quantities, OshPark is the least expensive.

Not by a country mile.

Try JLCPCB.

cbmeeks wrote:

eslapion wrote:In small quantities, OshPark is the least expensive.

Not by a country mile.

Try JLCPCB.

Looks like they have good deals. Thanks for the tip!