I bet the cable you're using is pinned for cable select.  Put both HD and CD on cable select, not master/slave.  If it's the factory cable, make sure you've got the hard drive connected to it's original position on that cable.  Connect to the built in controller and remove your added one.

Michael Slater wrote:

> I believe I have a good one here...
>
> I tried to install a HP CD-RW in a customers P75 Packard Bell last night, when connected to the system the computer on start cannot find drive 0 , whether the cd-rw is on ide1 slave, ide2 slave or master it kills the hard drive. I installed a ide controller card, disabled the onboard ide's, then the hard drive the cd rom and the cd-rw are all recognized by the enhanced bios of the ide controller. The computer will boot to safe mode but not to normal windows, I the proceeded to a step by step boot to check this out and with the cd-rw installed now the machine will not properly load emm386. hence no upper memory. remove the cd-rw and this does not occur. tried another new hp cd-rw same problems exactly. There was not any new memory added to the system and it has 48mb. There are a couple of other possibilities:
> 1. Other components installed not compatible.
> HP scanner scsi card (removed to make room for ide controller)
> aztech labs sound card modem (modem disabled)
> USR 56k modem
> add on video card (don't recall which one I'm at home now.)
> 2. Plain and simple the cd-rw is not compatible with this computer, although it does meet all minimum system requirements.
> 3. There may actually be a problem with the memory and the cd-rw just enhances it enough to let it show, I could pull the memory out and throw it in my tester.
>
> Thanks all
>
> Slats
> PC Tech
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