So I finished cabling up the solderless breadboard, and after checking connections, and checking pwr and gnd, I plugged it into the amiga. The amiga boots, which is a good sign, but then it never recognizes the memory. ...
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ISSI memory chip mounted
So I can’t believe how freakin’ tiny those pins are coming off the memory chip. The pads on the surfboard were huge by comparison. I actually thought there was a manufacturing defect on the memory chip and...
Parts ordered for the A501 replacement card
I placed an order yesterday for some prototyping parts to get this project off the ground. Some of the key parts are: ISSI 256kx16 SRAM chips. IC SRAM 4MBIT 25NS 44TSOP A surfboard to do 44-pin TSOP II to DIP. Wish me...
Amiga 500 A501 RAS/CAS dynamic ram timing
So I found myself looking at the dynamic ram timing with a logic analyzer attached to an Amiga 500. I’m still learning all of this stuff, and after about 45 minutes, I gave up thinking that I was either too tired...
my minimig with 4mb upgrade and ARM controller
Finally got some time to play with minimig!
Of course there’s a great community at .
