Tom's attempt at the h4

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Tomswork
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Re: Tom's attempt at the h4

Post by Tomswork »

Well I got board one and two with the 72 pin sockets mounted and the socket for the oscillator and my solder paste is dry in the tube oh well time to go online and order more

Tom
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DoG
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Re: Tom's attempt at the h4

Post by DoG »

Tomswork wrote: Mon Mar 02, 2020 4:48 am ...and my solder paste is dry in the tube oh well time to go online and order more...
Just mix in some new flux.
Tomswork
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Re: Tom's attempt at the h4

Post by Tomswork »

I will give it a try I have kester 951 and use the red paste

Tom
Tomswork
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Re: Tom's attempt at the h4

Post by Tomswork »

Power supply question how much current does the h4 draw on the 5v and 12v.

Tom
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exxos
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Re: Tom's attempt at the h4

Post by exxos »

Tomswork wrote: Mon Mar 02, 2020 8:33 pm Power supply question how much current does the h4 draw on the 5v and 12v.
12V basically nothing.
5V about 2amps.
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Tomswork
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Re: Tom's attempt at the h4

Post by Tomswork »

Thank you my bench power supply can handle that easly


Tom
Tomswork
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Re: Tom's attempt at the h4

Post by Tomswork »

Looks like my dma boards are on the way I must remember to order the parts

Tom
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PhilC
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Re: Tom's attempt at the h4

Post by PhilC »

Tomswork wrote: Thu Mar 05, 2020 9:25 pm Looks like my dma boards are on the way I must remember to order the parts

Tom
That reminds me that I really should get round to ordering myself some too.
If it ain't broke, test it to Destruction.
Tomswork
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Re: Tom's attempt at the h4

Post by Tomswork »

Yes and alot of Ebay suppliers are out for a break so it digikey for me

Tom
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Re: Tom's attempt at the h4

Post by Tomswork »

Tos 1.62 us English roms does anyone have them split hi lo for the 27c010 chips. Is so could you email me a set


Tom
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