What Chips Are What Form Factor

Loedown · 17 November 2009, 12:21

Greetings,
This thread is aimed squarely at the hardware gurus.

I need to know what the form factor is for most of the Miggy chips / common add-on boards. But only for the SMT ones, QFP and PLCC.

MACH chips
680xx
A4000 dedicated chips
Expansion boards

The purpose of this is to decide what Metcal tips I need for rework, after New Years, I will be starting my own business, doing very specific repairs to Amiga hardware, synthesizers, etc. with a discount for well known EAB members, ie. people that have posted here for awhile. I will also be offering a capacitor replacement service, with prices based on how many need doing, battery mods / PCB cleaning. This will only form a small part of the overall business.

I don't need any information on any BGA chips, I will simply not be doing it, as the rework equipment required costs a bomb and in my own personal experience with BGA, I don't find it to be reliable, unless you do an absolutely *perfect* job and the idea of removing BGA chips to resolder nearly identical balls on underneath isn't something I relish.

Paul

Jope · 17 November 2009, 13:17

PLCC, DIP (wide and skinny) and SOIC comes to mind.

No BGA in any Amiga motherboard, you'll find them in some PPC accelerators.

As for pin counts, you should google around a bit, as they are mentioned on quite a few websites. Perhaps take a look at the motherboard pictures on amiga-hardware.com.

17 November 2009, 12:21	#1
Loedown Precious & fragile things Join Date: Feb 2009 Location: Victoria, Australia Posts: 1,946	What Chips Are What Form Factor Greetings, This thread is aimed squarely at the hardware gurus. I need to know what the form factor is for most of the Miggy chips / common add-on boards. But only for the SMT ones, QFP and PLCC. MACH chips 680xx A4000 dedicated chips Expansion boards The purpose of this is to decide what Metcal tips I need for rework, after New Years, I will be starting my own business, doing very specific repairs to Amiga hardware, synthesizers, etc. with a discount for well known EAB members, ie. people that have posted here for awhile. I will also be offering a capacitor replacement service, with prices based on how many need doing, battery mods / PCB cleaning. This will only form a small part of the overall business. I don't need any information on any BGA chips, I will simply not be doing it, as the rework equipment required costs a bomb and in my own personal experience with BGA, I don't find it to be reliable, unless you do an absolutely perfect job and the idea of removing BGA chips to resolder nearly identical balls on underneath isn't something I relish. Paul

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17 November 2009, 13:17	#2
Jope - Join Date: Jul 2003 Location: Helsinki / Finland Age: 43 Posts: 9,863	PLCC, DIP (wide and skinny) and SOIC comes to mind. No BGA in any Amiga motherboard, you'll find them in some PPC accelerators. As for pin counts, you should google around a bit, as they are mentioned on quite a few websites. Perhaps take a look at the motherboard pictures on amiga-hardware.com.

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