G-REX PCI 1200 problems

[x56h34]

I've seen this problem in the past. Assuming that you've got everything connected properly (the BPPC expansion connector is making good contact with the Grex logic module and the logic module is making good contact with the PCI busboard) then I would say you are most likely dealing with a defective Grex logic board or a defective BPPC expansion port.

Keep in mind that for proper Grex1200 compatibility, you need a revision 2 BPPC card. Revision 0 might work, but in my experience even if it does work it is very unreliable and system crashes are often experienced.

[x56h34]

That sounds about right.

The quickest test that I know of that proves if your 603e is functional would be by:

- installing OS3.x
- running SysSpeed
- testing out 603e performance within SysSpeed

If your OS freezes during the test, your 603e is most likely defective. If SysSpeed spits out some performance benchmarks then you know that the 603e is functional.

I would recommend the above test before you install BB1 + BB2 + WarpUP, as the built-in PowerUP PPC library will be sufficient for the test and it will work with SysSpeed.

To check the revision of your BPPC board, you need to run a command line tool called "boardtype". It's available for download here. If boardtype detects revision 0, your PPC card is not officially compatible with Grex1200. If revision 2 is detected, your PPC board is fully compatible with Grex1200.

Most BPPC cards out there are revision 0, btw.

[x56h34]

I might have been mistaken about using PowerUP with SysSpeed then. I probably used WarpUP. Anyway, you know what you need to do to test, so...

[x56h34]

I'm powering the board trough the ATX connector and also have hooked up additional powersupply to the floppy connector.

And there is your problem. The ATX connector is inactive unless you get a rare IC which plugs into the small empty socket on the PCI busboard. It turns out that your Grex does not get any power. Solution...use an AT power supply or obtain an ATX-to-AT power supply adapter, with a power switch.

[x56h34]

I just love how appreciative you are of everyone's help. :roll: