===== PC Engine Power Supply List =====
The PC Engine family went through a lot of power supply revisions.  Different internal and external tip sizes, voltages and polarity.  Here's a list of the different models and settings.

^ PC Engine Model ^ Voltage ^ Amps ^ Polarity ^ Part No. ^
|  PC Engine |  9V  |  650mA  |  -  | PAD-105 + PAD-106  |
|  CoreGrafx I+II |  9V  |  800mA  |  -  | PAD-105 + PAD-106  |
|  PC Engine Shuttle |  9V  |  800mA  |  -  | PAD-105 + PAD-106  |
|  SuperGrafx |  9V  |  800mA  |  -  | PAD-113  |
|  PC Engine GT |  7V  |  700mA  |    | PAD-121  |
|  CD-ROM2 |  9V  |  1450mA  |    | PAD-123  |
|  PC Engine Duo |  10V  |  1A  |  +  | PAD-124  |
|  Super CD-ROM2 |  12V  |  1A  |  +  | PAD-125  |
|  Duo Monitor |  10.5V  |  750mA  |    | PAD-126  |
|  PC Engine LT |  9V  |  700mA  |  +  | PAD-127  |
|  DUO-R + RX |  9V  |  1A  |  +  | PAD-129 + PAD 130  |
|  Print Booster |  12V  |  1A  |    | PAD-111  |
  * Polarity refers to the center tip