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- CONNECTING A 1541-ii DISK DRIVE TO A pc/at POWER SUPPLY
- wRITTEN BY sERGIO aGUAYO
-
- fIRST OF ALL, no warranty! tHESE STEPS WORKED FOR ME, BUT i SHALL NOT
- BE MADE RESPONSIBLE FOR ANY DAMAGE THAT MAY BE CAUSED BY THIS
- DOCUMENT. oF COURSE, THIS HAS BEEN REVIEWED AND FOUND ok.
-
- tHINGS YOU NEED:
-
- - a 1541-ii POWER SUPPLY OR A 4-PIN MALE din CONNECTOR
- - a pc/at POWER SUPPLY
- - a SOLDERING IRON
- - a MULTI-METER IF YOU ARE NOT SURE WHAT YOU ARE DOING
-
- sTEPS:
-
- 1. cUT THE CABLE OF THE 1541-ii POWER SUPPLY BY THE SIDE OF THE BRICK.
- 2. cHOOSE A 4-PIN POWER CONNECTOR OF THE pc/at POWER SUPPLY
- 3. cONNECT THE black WIRE OF THE 1541-ii POWER CABLE
- TO ONE OF THE black WIRES OF THE pc/at POWER SUPPLY.
- 4. cONNECT THE green WIRE OF THE 1541-ii POWER CABLE
- TO THE red WIRE OF THE pc/at POWER SUPPLY.
- 5. cONNECT THE red WIRE OF THE 1541-ii POWER CABLE
- TO THE yellow WIRE OF THE pc/at POWER SUPPLY.
-
- tHE THING SHOULD LOOK AS THIS
- (LOOKING FROM THE BACK OF THE pc/at POWER CONNECTOR):
-
- R BL BL YE
- E A A LL (TO THE pc/at POWER SUPPLY)
- D CK CK OW
- +--------------+
- {$7c}oo oo oo oo{$7c} <--- pc/at POWER CONNECTOR
- +--------------+
- GR BL nc R
- EE A E (TO THE 1541-ii)
- N CK D
-
- iF YOU DON'T HAVE A MULTI-METER DON'T READ THE FOLLOWING:
-
- - cONNECT THE NEGATIVE CABLE TO EITHER OF THE BLACK WIRES OF THE at PS
- - tOUCH THE yellow WIRE WITH THE POSITIVE CABLE. sHOULD READ ABOUT 12v.
- - tOUCH THE red WIRE WITH THE POSITIVE CABLE. sHOULD READ ABOUT 5v.
-
- cONNECT THE pc/at POWER SUPPLY AS ALWAYS AND TURN ON YOUR 1541-ii.
- aLL SHOULD BE ok NOW...
-
- yOU COULD REMOVE THE 4-PIN pc/at POWER CONNECTOR FROM THE CABLE, BUT
- THIS IS THE SIMPLEST WAY OF MAKING THIS MODIFICATION. iF YOU WANT TO
- DO SO, JUST DO IT.
-
- wHAT TO DO IF YOU DON'T HAVE THE 1541-ii PS'S CABLE
- ---------------------------------------------------
-
- yOU'LL NEED, FIRST OF ALL, A PIN-OUT OF THE POWER CONNECTOR:
-
- /----\ 1: +5vdc 1a
- {$7c}3 2{$7c} 2: gROUND
- {$7c}4 1{$7c} 3: nc (NOT CONNECTED)
- \-^^-/ 4: +12vdc 0.5a
-
- nOTE: tHE ^^ IS THE NOTCH SIDE.
- [aDDENDUM 7/1/2003: IN THE FIGURE ABOVE, THE CONNECTOR IS VIEWED FROM
- THE FRONT SIDE (NOT THE SIDE WHERE THE CABLE IS SOLDERED).]
-
- aLSO, YOU'LL NEED THIS EXTRA THINGS:
-
- - a SOLDERING IRON
- - a 4-PIN din PLUG (?)
- - a THREE-WIRES CABLE (WITH AT LEAST 1.5M)
- - a MULTI-METER IS RECOMMENDED
-
- pLEASE NOTE: i HAD THE PS CABLE, SO i DIDN'T HAVE TO DO THIS. tHIS
- SHOULD BE CORRECT, THOUGH, BUT WHO KNOWS...
-
- sTEPS:
-
- 1. sOLDER EACH WIRE TO THE PLUG. iF YOU HAVE FOUR OR MORE WIRES ON
- YOUR CABLE, JUST CUT THEM.
- 2. nOW YOU HAVE YOUR POWER CABLE!
- 3. gO TO THE STEP 2 OF THE FIRST PART OF THIS DOCUMENT
-
- nOTES:
-
- - tHE COLOR CODES FOR THE WIRES ARE FOR REFERENCE ONLY. i DON'T KNOW IF
- ALL THE POWER SUPPLIES USE THE SAME COLORS. iT IS BETTER TO USE A
- MULTI-METER AND THE PIN-OUT ABOVE.
- - no warranty
-
- aNY QUESTIONS/COMMENTS TO SERGIOAG@EC-RED.COM
- 5/18/2002
-