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Measurement Systems & Controls Inc. DMB6400 Rev B Dynamic RAM S-100 Board, 1979

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$250.72 $294.96

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Measurement Systems & Controls Inc. DMB6400 Rev B Dynamic RAM S-100 Board, 1979

 

In perfect condition ! 
Sell as is due its age ! 
 
    
 
The board consisted of 64K of dynamic RAM with refreshing independent of bus timing.  No wait states were required wit a 4MHZ Z80. The board was addressable in 4K increments at 4K boundaries.  The board utilized low power, fully loaded it used less than 8 watts.
 
This board had bank selection (Cromemco & Northstar format). One of 256 ports could be selected (40H for Cromemco, C0H for Northstar).  Up to 8 boards could be used per port.  Each 16K or RAM could be set to start at 0000H, 4000H, 8000H, or C000H for any of the banks selected by the port.  The bank memory size could be incremented from 16K to 64K in 16K increments allowing 512K bank sizes. 

 

 

Shipping :

Europe : The price is for Air Priority Shipping with tracking number – takes about 8 – 15 working days !

USA and other Countries : The price is for Air Shipping with tracking number – takes about 15 – 25 working days !

Shipping Information:

Every Item is carefully packed and put in special box or special envelope for that use. We use our Bulgarian Post Services to send The Items Abroad. They are very reliable and good working. Every Item We send has an Tracking Number and can be tracked all over the World.

Return Policy Details:

We Accept Money Back and Replacement. The Important thing is the Buyer to be satisfied ! Please if you have any questions feel free to ask us. We will answer them As soon as we can. Wish you all best from Bulgaria !

Feedback :

Dear Customers, the Computer Parts we sell are about 20 years old. We test them twice – one time before the listing and one after the Item is Sold. We packed them with anti-static bags and put them in boxes.
Please if you have any issues with the parts when you test them contact us before leaving an feedback and We will do everything to help you !

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