kduck28
2 Iron

Optiplex GX520 doesn't recognize any CDROM I swap in

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I wanted to swap out the LITE-ON LTN-4891S CDROM with a Samsung SM-348 CD-RW/DVD Combo drive in the GX520 system. The operating system in the machine is Windows XP Pro SP3. The machine booted into the desktop. No problems noticed until I tried to open the drive with the eject command from the drive's right click menu through Explorer (file manager). The door to the drive just won't open. When I put in either a CD-R or a DVD the machine would lock up. The combo drives works perfectly in the machine I removed it from. But it won't work in the Dell. The BIOS and Windows reports that the drive is present. Could it be a cabling issue?

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7- Gold

Re: Optiplex GX520 doesn't recognize any CDROM I swap in

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Ok, thanks for following up.

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7- Gold

Re: Optiplex GX520 doesn't recognize any CDROM I swap in

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Hi kduck28,

Make sure the drive jumper is set to cable select. If that does not help, double check the data cable connection.

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kduck28
2 Iron

Re: Optiplex GX520 doesn't recognize any CDROM I swap in

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Ah, no luck. The CS pin didn't work either. Must be the cable I guess. Which really doesn't make sense because the LTN-4891S drive has no problems with the existing cable.

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7- Gold

Re: Optiplex GX520 doesn't recognize any CDROM I swap in

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Is it an 80-wire cable?

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kduck28
2 Iron

Re: Optiplex GX520 doesn't recognize any CDROM I swap in

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You have just highlighted something I didn't realize about these cables. So the all cables have the 40 pin connectors but the difference is within the wiring of the cable itself. I do have a number of spare 80 wired IDE cables. So, I'll give that a try. By using a different cable should I also put the jumper pin on Master instead of Cable Select?

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7- Gold

Re: Optiplex GX520 doesn't recognize any CDROM I swap in

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Still should be cable select.

I'm glad you mentioned the cable. I haven't used a 40-wire cable in a while and might not have thought of it.

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kduck28
2 Iron

Re: Optiplex GX520 doesn't recognize any CDROM I swap in

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It's been awhile. But I thought I add more information about this issue. I had put this to rest because I figured the machine's original drive (LITE-ON LTN-4891S), is broken and I really didn't want to spend money on an old system. But it bothered me to no end. I discovered I had an old Samsung CD-ROM model SC-140B collecting dust in the closet. I installed it using the cable select jumper and the existing drive cable. Everything worked. I did make an attempt with another DVD drive from Sony but with that drive the machine wouldn't even boot into the desktop. Must be something about the machine which I'm missing because the BIOS does recognize each drive (Samsung DVD, Sony DVD, and the Samsung CD-ROM). However only the Samsung CD-ROM works. I could surely use some help to figure out why the DVD drives fail to either boot or work once I'm into the Windows desktop.

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kduck28
2 Iron

Re: Optiplex GX520 doesn't recognize any CDROM I swap in

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Gees! Why didn't I do this from the beginning. I tried the Sony DVD drive again but this time I didn't insert the master/slave/cable select pin jumper. When I booted into the BIOS it read unknown. When I booted into Windows the drive was detected correct as Sony CD-RW CRX320EE. This drive also reads DVD-ROM. So I'm good to go.

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7- Gold

Re: Optiplex GX520 doesn't recognize any CDROM I swap in

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Ok, thanks for following up.

kduck28
2 Iron

Re: Optiplex GX520 doesn't recognize any CDROM I swap in

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Oooops! Bad news. Yes Windows did detect the drive but I should add this. After I installed the drive, booted the PC, I hit F2 to see if the BIOS detected the drive. It listed it as "unknown". When I existed the BIOS, the PC continued to boot to the Windows desktop. Then I open the device manager and the drive was listed. But when I booted the PC without first going into the BIOS, I received a disk error that the PC was unable to find the drive on port PATA1 drive #2. The message indicated I need to hit F1 to enter BIOS setup or F2 to continue. F2 proceeds with the Windows desktop boot. When its done I then can see the drive. This is good but having to first hit F2 after receiving the error message in wrong. That shouldn't happen.

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