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Re: Tom's attempt at the h4

Posted: 02 Mar 2020 04:48
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

Re: Tom's attempt at the h4

Posted: 02 Mar 2020 05:30
by DoG
Tomswork wrote: 02 Mar 2020 04:48 ...and my solder paste is dry in the tube oh well time to go online and order more...
Just mix in some new flux.

Re: Tom's attempt at the h4

Posted: 02 Mar 2020 08:10
by Tomswork
I will give it a try I have kester 951 and use the red paste

Tom

Re: Tom's attempt at the h4

Posted: 02 Mar 2020 20:33
by Tomswork
Power supply question how much current does the h4 draw on the 5v and 12v.

Tom

Re: Tom's attempt at the h4

Posted: 02 Mar 2020 20:34
by exxos
Tomswork wrote: 02 Mar 2020 20:33 Power supply question how much current does the h4 draw on the 5v and 12v.
12V basically nothing.
5V about 2amps.

Re: Tom's attempt at the h4

Posted: 02 Mar 2020 21:09
by Tomswork
Thank you my bench power supply can handle that easly


Tom

Re: Tom's attempt at the h4

Posted: 05 Mar 2020 21:25
by Tomswork
Looks like my dma boards are on the way I must remember to order the parts

Tom

Re: Tom's attempt at the h4

Posted: 05 Mar 2020 21:29
by PhilC
Tomswork wrote: 05 Mar 2020 21:25 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.

Re: Tom's attempt at the h4

Posted: 05 Mar 2020 21:43
by Tomswork
Yes and alot of Ebay suppliers are out for a break so it digikey for me

Tom

Re: Tom's attempt at the h4

Posted: 06 Mar 2020 00:50
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