Disable onboard video on an IBM PS/1 TYPE 2121

[fjk61011]

Is it possible to disable the onboard video on a PS/1? I want to use a vga adapter card.

 

[This.is.Matt]

Should be - if your board takes 30-pin SIMMS, you'll need to switch JP10. If it takes 72-pin modules, then swap J15.

 

[T-R-A]

No. You can't, at least according to:

http://ps-2.kev009.com/pcpartnerinfo/ctstips/52d2.htm

"Video:
Note: The Display powers the System Unit; the two cannot be operated separately. There are NO "Video Disable" Jumpers."