| Forum Home | ||||
| Press F1 | ||||
| Thread ID: 58594 | 2005-06-05 21:38:00 | Hidden Hard Drive | fnphoto (2434) | Press F1 |
| Post ID | Timestamp | Content | User | ||
| 361421 | 2005-06-12 04:15:00 | There have been a number of red herrings and simply wrong statements made . Let's look at things calmly . ;) There are two ways of selecting IDE drives: CS ("Cable Select) uses a special cable . The connector for one drive is not connected on one pin (one wire is cut) . So it matters which drive is on each connector . The CS cable has one connector marked Master and another Slave . The drives will be selected" as marked" . They must be jumpered for "CS" . The traditional Master/Slave method has all wires connected to all three connectors, so any way of routing it will work correctly . (as long as one drive is jumpered for "Master" and the other for "Slave" . This is all hardware . This allows the drive controller to turn on the motors, and select one of the two drives for data transfer . The OS sees partitions . The boot partition is normally required to be (in MS) a primary one . It may be a whole disk, or part of a disk . If its part of a disk, the remainder can be another primary, or it can be an extended one, containing one or more logical partitions . Another disk can be another primary partition or an extended partition containing logicals, . . . The extended partition is just a way of getting around a limitation in CPM . When CPM was written, hard disks were rare, expensive, and small . In a USB external housing, it probably doesn't matter much how the drive is jumpered . It's the only one, and the USB controller is probably set up to work . :thumbs: As soon as that drive is put into a computer case, it has to work with the physical configuration . If it is put in on its own, it will work . If the other drive is the boot disk, the "odd" one when added will work properly only if it is jumpered compatibly with the main drive . If the main drive is a "CS", the "odd" one must be set to "CS", and you must use a CS cable . If it's "MA", the odd drive must be jumpered "SL", and you must use a fully wired cable . After all this, we come to the probable cause of the problem . :cool: If the main one jumpered as "master with no other drive" this will explain the difficulty . :badpc: |
Graham L (2) | ||
| 361422 | 2005-06-13 01:37:00 | I have tried putting the HDD from the portable drive (a 10Gb Fujitsu) into the computer, configured as 'slave' and the drive is also completely invisible in Windows XP i.e. not even there in disk management or in device manager, or explorer etc. etc. The motherboard has two IDE connections and the main HDD is set to 'master'. |
fnphoto (2434) | ||
| 361423 | 2005-06-13 05:57:00 | I'm clutching at straws here, but: 1) If you put anything else on the same controller, does it show up in windows? 2) More specifically, are there drivers for the second / whichever IDE controller? |
Growly (6) | ||
| 361424 | 2005-07-07 15:43:00 | The same problem was solved by: Enabling "Show All Hidden Devices in Device Manager" === Windows Registry Editor Version 5.00 [HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Se ssion Manager\Environment] "DEVMGR_SHOW_NONPRESENT_DEVICES"="1" === Reboot. My computer > properties > hardware > device manager. Device manager > View > Show hidden devices. Uninstall duplicate and gray "Disk drives" (also non-gray troublemaker hdd) and "Storage volumes" (don't reboot everytime when asked). Reboot. |
Oldspice (8285) | ||
| 1 2 3 4 | |||||