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Hardware - nms 8245 laptop diskdrives

Author

nms 8245 laptop diskdrives

spacegremlin
msx novice
Posts: 26
Posted: August 13 2008, 03:09   
has there been some one who have tried to put in 2 laptop diskdrives in this machine.


if correct, it is connectable. but has it been done already.

the bad side is, the price of the drives afcourse.

and the power supply, but this is fixable afcourse.

because this way you can put 2 drives internal in the nms above each other.

jltursan
msx professional
Posts: 886
Posted: August 13 2008, 10:35   
Seems a cool idea!. I've no idea about how much power can drain a laptop floppy disk drive (the standard ones have about 1,2A); but usually laptop hardware has lesser needs than desktop hardware.

I'm not totally sure; but, is the controller able to drive two disks?...
luppie
msx lover
Posts: 78
Posted: August 13 2008, 12:04   
Here you can find a table with the correct pinout to connect a PC drive to a NMS8245

http://www.hansoranje.demon.nl/downloads/fddnms8245.pdf

The document is in Dutch but the table uses the technical english terms.

I also looked at the pinout of a slimline floppydrive and translated it to the NMS8245
Only Pin 6 & 7 of the NMS8245 i'm not shure about.

Drive NMS8245
1
2 1
3
4 6
5
6
7
8
9
10 10
11
12 2
13 9
14 3
15
16 4
17
18 5
19
20 12
21
22 13
23
24 14
25 11
26 8

spacegremlin
msx novice
Posts: 26
Posted: August 13 2008, 15:41   
i know there is a sheet between there to connect at lleast 1 laptop drive, so 2 would not be a problem.

and to be sure, because 2 drives is already hard voor the nms8245. is a seperated internal power supply extra only for both drives.

but first i am going to look for to new cheap laptop drives.

i previous came to this idea, but the prices. kept me on hold.

a drive new is about 30 a 40 euros. each. that means, that you already have 80 euros of drives in the msx.


and than the big question, if you have the wrong drives, what is possible youre stuck. hihi.

but lets see what the futures brings.


6 and 7
you can swap.

you can if correct use 2 pc drives converterd as a drives.
with an a and b drive, just swap these wires.

then the first a drive is a
the second a drive is b
 
 







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