What are my options for upgrading the disk drive in my PEB?
The standard PEB comes with a full height, 180k 5.25″ floppy drive. This is a Single Sided, Double Density (DSDD) drive. The typical questions are either “can I fit two drives in the system” or “can I use a drive with more capacity”. There are three major constraints you have to work with when answer these questions; power, controller, compatibility. Power is important due to what the standard PEB power supply can provide. The controller is important because it has to support large capacity drives. Finally there is compatibility that certain drives have to operate at certain speeds. On Mainbyte.com there is an upgrade project where you can upgrade the power supply from 12V 1A to 12V – 2A. If you are running into power problems then this is your answer. The upgrades can be found at: http://www.mainbyte.com/ti99/upgrades.asp To use the higher capacity drives you will need a disk controller that can support it. If you have a Myarc or Corcomp disk controller then you are set. If you have a
