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Conference hydra::amiga_v1

Title:	AMIGA NOTES
Notice:	Join us in the NEW conference - HYDRA::AMIGA_V2
Moderator:	HYDRA::MOORE

Created:	Sat Apr 26 1986
Last Modified:	Wed Feb 05 1992
Last Successful Update:	Fri Jun 06 1997
Number of topics:	5378
Total number of notes:	38326

1387.0. "3 drives and your out" by AUNTB::PRESSLEY () Thu Apr 28 1988 21:43

    Anyone out there with a 3 floppy drive system on a a1000?
    I wonder if the power supply can handle two external drives?
    
    I can't afford a hard disk so I figure the next best thing is
    copying the workbench into ram and running faccII with a three drive
    system.

T.R	Title	User	Personal Name	Date	Lines
1387.1	\	POBOX::ANDREWS	How come nobody told ME?	`Thu Apr 28 1988 23:08`	7
	I've done it. I've had the internal drive, 2 1010's and a 1020 hooked up just for grins. Alot of online storage, didn't seem to affect the power supply or anything. However, it did eat up about 60K or so for buffers etc. for the two new drives that I couldn't afford on a 512K system. Rob
1387.2	be carefull with the power requirements	RANGLY::PFISTER_ROB	Look and feel is for fresh fruit	`Fri Apr 29 1988 11:39`	7
	I beleive you have to modify the 1010 drives to pass power onto the next drive in the chain. Commodore claims the power supply shouldn't be taxed that much. The External 5-1/4" drive (transformer) comes with it's own power supply, and you should consider powering additional drives with external power just to be safe. Robb
1387.3		BAGELS::BRANNON	Dave Brannon	`Fri Apr 29 1988 13:15`	10
	early 1010 drives didn't pass the power, newer drives do, a small oops by CBM. I believe the disk drive hardware on the newer drives need less power. The problem is how do you know if you are straining the power supply - Watch for the magic blue smoke? re: clock callibration program please upload it, I'm still tweaking my pot, haven't got it exactly right so far. -Dave
1387.4	risky business	AIKITS::WISNER		`Fri Apr 29 1988 13:39`	10
	On my Amiga 1000 I once had two external drives connected, a 2MB starboard, and a Supra Harddrive interface card. No problem with all three drives running at the same time. Again, Commodore warns against doing this. I think the Supra card may have its own power supply. But the 2MB starboard uses some power. I've also had three drives going on an A500, no problem.