AOH :: MSD-MOD.TXT|
MSD Drive 8/9 Mod
" MSD DRIVE 8/9 MODIFICATION
" This file explains the modification I
"used to switch a MSD single drive from
"drive 8 to drive 9. Some MSD single
"drives WILL NOT accept the normal
"software select commands.
" I WOULD NOT advise making this
"modification UNTIL your warranty has
" Please follow the steps outlined
" DO NOT SUBSTITUTE for the cable type
" Make Sure the POWER IS OFF and the
"Drive is UNPLUGGED.
"1) Remove the six screws holding the
"cover on the drive housing. Put them
"aside, do not loose them!
"2) Examine the circuit board, holding
"the drive with the circuit board
"towards the back of the unit.
"3) Find the two (2) blue jumpers on the
"top of the board. Remove the TOP one.
"4) Examine the drive cover and see
"where the cover is in relation to the
"5) Drill a hole in the top of the drive
"and insert a double pole double throw
"switch. When drilling be sure to drill
"the cover FAR AWAY (next room) from the
"open drive assembly.
"6) Now, take a short piece of wire (10
"guage) and close the contacts on one
"side of the switch effectively closing
"the circuit on that side. Leave the
"other side open.
"NOTE: YOU must use the exact type cable
"specified for this next step !!!
"7) You need a 1 foot piece of 2
"conductor cable, with each wire
"shileded and a ground shield. Solder
"one wire to each side of the middle of
"the double pole switch after you strip
"the wire on both ends. Check with a
"multi-meter to be sure you have not
"created a short. Also check to see that
"when the switch is thrown, you have a a
"closed circuit on one side and an open
"circuit on the other side.
"8) Solder one wire to each of the pins,
"from where you removed the jumper. BE
"VERY CAREFULL not to DRIP solder
"ANYWHERE when doing this soldering.
"9) Now connect all the shield cables
"together and solder them. Now solder
"another piece of shileded cable to this
"and run it out the back of the drive.
"10) Replace the cover and replace all
"11) Connect the shielded cable to a
"screw in the back of the drive.
" You are now finished. When the switch
"is thrown one way the drive number is
"8. In the other position the drive is
" While I know this works fine on my
"drive, I and Software Center accept no
"responsibility for any damage you might
"cause, if you don't do this properly.
"We cannot be held liable for any
"damages that might occur.
" You make this modification at your
" This file was provided, to inform you
"that this can be done.
" We do not suggest that you do this.
"You must make up your mind in regards
"to this modification!
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