thanks.
already used the power plug from d: on e: to no success (in Windows). 
Can I assume power and data cable are valid?

can you explain why is e: is recognized by BIOS (using either power 
plug)?  that's really bugging me.

-TIM


Russ Poffenberger wrote:

>Hi Timothy,
>
>>From the results of your experiments, I would conclude that drive 'e' has
>failed. All the other drives work when connected by themselves or together,
>but as soon as you connect 'e', then anything else connected to that same
>cable (eg 'd') also does not work. This would indicate that 'e' is dragging
>down the IDE signal lines.
>
>One possibility is that the power connecter to 'e' is not delivering power.
>Try swapping it with the power connector for a different drive. The reason
>why this could affect 'd' also when they are both connected is because it it
>is not getting power, it will try to draw current from the signal lines,
>more than it is designed to provide, and causes anything on the same bus to
>not work.
>
>Russ Poffenberger
>[log in to unmask] 
>
>-----Original Message-----
>From: Personal Computer Hardware discussion List
>[mailto:[log in to unmask]] On Behalf Of Timothy
>Sent: Tuesday, May 06, 2008 6:05 PM
>To: [log in to unmask]
>Subject: [PCBUILD] IDE Hard Drive not recognized in WinXP
>
>
>I have a hard drive that used to work, but recently does not. It IS
>recognized by BIOS, but not by Windows. Here's the setup
>
>Intel Core2 Duo (E6750 @ 2.66GHz)
>Motherboard Asus P5N-E SLI
>NVIDIA nForce 430 Serial ATA Controller onboard
>
>c: WDC hard Drive = bootdisk (SATA)
>d: Maxtor drive (IDE) [formatted NTFS]
>e: Maxtor drive (IDE) [formatted NTFS]
>f: CD-ROM drive (SATA)
>
>BIOS finds all these devices at bootup. no problems with c: and f: in 
>Windows
>if both d: and e: are connected, Windows XP Pro SP2 reports only c: and f:
>if only d: is connected, Windows reports c: d: and f: if only e: is
>connected, Windows reports c: and f:
>
>all drives worked at one time in this computer. suspect the trigger was 
>failure of old CD drive and multiple connects/disconnects
>
>Notable:
>- same power plug and data cable plug from d: only test were used to 
>connect e: only
>- no difference if jumper on e: is switched from CS to Master (both d: 
>and e: previously jumpered CS, and only e: connected)
>- no difference if e: is connected by either A or B on IDE cable
>
>-TIM
>
>                         PCBUILD's List Owners:
>                      Bob Wright<[log in to unmask]>
>                        Mark Rode<[log in to unmask]>
>
>                         PCBUILD's List Owners:
>                      Bob Wright<[log in to unmask]>
>                        Mark Rode<[log in to unmask]>
>
>
>  
>

                         PCBUILD's List Owners:
                      Bob Wright<[log in to unmask]>
                        Mark Rode<[log in to unmask]>