A theoretical question

General discussions on the PCjr
Post Reply
OldComputerGuy
Posts: 114
Joined: Sun Dec 04, 2016 6:28 pm

A theoretical question

Post by OldComputerGuy »

I know that the PSU of the Jr is only capable of supporting so many sidecars before additional power is required. Would it be possible, in theory at least, to use a more powerful PSU and have the power carry through the sidecar bus to support more sidecars than the standard PSU can handle?
James
Posts: 116
Joined: Sat Dec 22, 2012 9:04 am

Re: A theoretical question

Post by James »

Not only is it theoretical but it has been done. PC Enterprises had a power supply that sat in a Drive II assembly and plugged in to the PCjr power slot. I have also heard of people adapting XT power supplies to do the same. I would think a ATX power supply could be jumpered to turn it on and and adapter attached also.
-PCjr (1989)-DOS 3.3, Racore Drive II, jrIDE-128 MB DOM, jrExcellerator, Tandy Mod, Serial Card, Combo v2, Config Plus, IBM Parallel Port, Megaboard, Xircom PE3-10BT
-PCjr (2001)-DOS 3.3, jrIDE-128 MB DOM, NEC v20, Parallel Port, Comswap, Xircom PE3-10BT
Post Reply