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#1
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"CS" or "Master and Slave"?
My eMachine 1860, running WXP, has been flakey on boot for a year now; once
it is on it is fine, but it hands on boot about 20% of the time. Monday it simply wouldn't come up, hanging on "IOM.SYS" everytime. I took it in to the shop. They found a cable was nicked and the jumpers were wrong. They set them to Master and Slave. Now all is well. However, I checked the manual and it says to set the jumpers to "CS". The shop says the manual is wrong. Does it matter as long as the machine is working? Presumably the nicked cable was the problem the whole time. Thanks. |
#2
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John wrote:
My eMachine 1860, running WXP, has been flakey on boot for a year now; once it is on it is fine, but it hands on boot about 20% of the time. Monday it simply wouldn't come up, hanging on "IOM.SYS" everytime. I took it in to the shop. They found a cable was nicked and the jumpers were wrong. They set them to Master and Slave. Now all is well. However, I checked the manual and it says to set the jumpers to "CS". The shop says the manual is wrong. Does it matter as long as the machine is working? Presumably the nicked cable was the problem the whole time. Thanks. If your BIOS has no problem with it, setting the jumpers to Cable Select (CS) is simply convenient if you swap drives, remove drives, add drives etc. It just means that you won't have to manually set the jumpers, that the position (1 or 2) a drive has on the cable determines wether it's slave or master. There's nothing wrong with setting the jumpers to Slave and Master respectively, the end result is the same. CS is just easier - if it's supported by the BIOS. If the manual for your BIOS says to set the jumpers to CS, then it obviously supports Cable Select, so it would be the shop who is wrong, not your manual. But either way, it makes no difference once the system is up and running. -- I win! "Yeah dad, we'd rather have a live pussy mincing around the house than a dead hero anyday!" - Bart Simpson |
#3
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John wrote:
My eMachine 1860, running WXP, has been flakey on boot for a year now; once it is on it is fine, but it hands on boot about 20% of the time. Monday it simply wouldn't come up, hanging on "IOM.SYS" everytime. I took it in to the shop. They found a cable was nicked and the jumpers were wrong. They set them to Master and Slave. Now all is well. However, I checked the manual and it says to set the jumpers to "CS". The shop says the manual is wrong. Does it matter as long as the machine is working? Presumably the nicked cable was the problem the whole time. Neither is "wrong". Whether you use cable select or master slave is mostly a matter of taste. Cable select can be convenient if you swap drives regularly but if you do that you should probably go to SATA anyway. Where was the nick in the cable? For cable select to work one conductor has to be cut at a certain point. Some manufacturers of cable assemblies do this by leaving out a contact in the connector, others by drilling a hole in the cable. If that's what they were referring to then you really should find a different shop because these guys aren't staying up to date. If there's a cut somewhere else then that was the problem, not the cable select. Did you reseat the cables before you took it in? It's amazing how many times that fixes the problem. Thanks. -- --John Reply to jclarke at ae tee tee global dot net (was jclarke at eye bee em dot net) |
#4
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"John" wrote in message
My eMachine 1860, running WXP, has been flakey on boot for a year now; once it is on it is fine, but it hands on boot about 20% of the time. Monday it simply wouldn't come up, hanging on "IOM.SYS" everytime. I took it in to the shop. They found a cable was nicked and the jumpers were wrong. They set them to Master and Slave. Now all is well. However, I checked the manual and it says to set the jumpers to "CS". The shop says the manual is wrong. The shop is wrong and the manual correct if the cable supports CableSelect which it probably does. Does it matter as long as the machine is working? Nope, Master/Slave is fine too. Cable Select is an alternative that sets Master or Slave automatically depending on cable position. Presumably the nicked cable was the problem the whole time. Thanks. |
#5
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Where was the nick in the cable? For cable select to work one conductor has to be cut at a certain point. Some manufacturers of cable assemblies do this by leaving out a contact in the connector, others by drilling a hole in the cable. If that's what they were referring to then you really should find a different shop because these guys aren't staying up to date. If there's a cut somewhere else then that was the problem, not the cable select. The insulation was off right near one edge, the conductor was not cut through. I figured I had caught it in the case when closing it, or something like that. My "hypothesis" was that it had an intermittent short that finally went permanent. Did you reseat the cables before you took it in? It's amazing how many times that fixes the problem. I reseated the cable on the motherboard but not on the harddrive. Should have... |
#6
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John wrote:
Where was the nick in the cable? For cable select to work one conductor has to be cut at a certain point. Some manufacturers of cable assemblies do this by leaving out a contact in the connector, others by drilling a hole in the cable. If that's what they were referring to then you really should find a different shop because these guys aren't staying up to date. If there's a cut somewhere else then that was the problem, not the cable select. The insulation was off right near one edge, the conductor was not cut through. I figured I had caught it in the case when closing it, or something like that. My "hypothesis" was that it had an intermittent short that finally went permanent. Did you reseat the cables before you took it in? It's amazing how many times that fixes the problem. I reseated the cable on the motherboard but not on the harddrive. Should have... I suspect replacing the damaged cable would have fixed the problem -- it should work with CS just as well as with master/slave. Setting master/slave just overrides CS; as long as you don't have another drive on the cable that conflicts, things should be ok. -- The e-mail address in our reply-to line is reversed in an attempt to minimize spam. Our true address is of the form . |
#7
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"DanielEKFA" wrote in message
John wrote: My eMachine 1860, running WXP, has been flakey on boot for a year now; once it is on it is fine, but it hands on boot about 20% of the time. Monday it simply wouldn't come up, hanging on "IOM.SYS" everytime. I took it in to the shop. They found a cable was nicked and the jumpers were wrong. They set them to Master and Slave. Now all is well. However, I checked the manual and it says to set the jumpers to "CS". The shop says the manual is wrong. Does it matter as long as the machine is working? Presumably the nicked cable was the problem the whole time. Thanks. If your BIOS has no problem with it, setting the jumpers to Cable Select (CS) is simply convenient if you swap drives, remove drives, add drives etc. It just means that you won't have to manually set the jumpers, that the position (1 or 2) a drive has on the cable determines wether it's slave or master. There's nothing wrong with setting the jumpers to Slave and Master respectively, the end result is the same. CS is just easier - if it's supported by the BIOS. Clueless. The bios has nothing to do with it. If the manual for your BIOS says to set the jumpers to CS, then it obviously supports Cable Select, so it would be the shop who is wrong, not your manual. But either way, it makes no difference once the system is up and running. |
#9
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Andrew Rossmann wrote:
In article , lid says... John wrote: My eMachine 1860, running WXP, has been flakey on boot for a year now; once it is on it is fine, but it hands on boot about 20% of the time. Monday it simply wouldn't come up, hanging on "IOM.SYS" everytime. I took it in to the shop. They found a cable was nicked and the jumpers were wrong. They set them to Master and Slave. Now all is well. However, I checked the manual and it says to set the jumpers to "CS". The shop says the manual is wrong. Does it matter as long as the machine is working? Presumably the nicked cable was the problem the whole time. Neither is "wrong". Whether you use cable select or master slave is mostly a matter of taste. Cable select can be convenient if you swap drives regularly but if you do that you should probably go to SATA anyway. Cable Select also requires a cable that supports it. I think most of the newer 80-wire do, but many older 40-wire don't. The second sentence in the next paragraph, which you snipped, was "For*cable*select*to*work*one*conductor*has to be cut at a certain point." -- --John Reply to jclarke at ae tee tee global dot net (was jclarke at eye bee em dot net) |
#10
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Folkert Rienstra wrote:
"DanielEKFA" wrote in message John wrote: My eMachine 1860, running WXP, has been flakey on boot for a year now; once it is on it is fine, but it hands on boot about 20% of the time. Monday it simply wouldn't come up, hanging on "IOM.SYS" everytime. I took it in to the shop. They found a cable was nicked and the jumpers were wrong. They set them to Master and Slave. Now all is well. However, I checked the manual and it says to set the jumpers to "CS". The shop says the manual is wrong. Does it matter as long as the machine is working? Presumably the nicked cable was the problem the whole time. Thanks. If your BIOS has no problem with it, setting the jumpers to Cable Select (CS) is simply convenient if you swap drives, remove drives, add drives etc. It just means that you won't have to manually set the jumpers, that the position (1 or 2) a drive has on the cable determines wether it's slave or master. There's nothing wrong with setting the jumpers to Slave and Master respectively, the end result is the same. CS is just easier - if it's supported by the BIOS. Clueless. The bios has nothing to do with it. Ah, the socially retarded troll boy! You're such a fool - to think you'd actually say this, LOL! Oh, I'm glad I somehow failed to add you to my killfile on the last pathetic ramble you spewed out, otherwise I wouldn't have seen this. LOL Hee hee hee Ahhhh... Now let's see if I can get you added to that killfile of mine this time... Oh yeah, that's the stuff! PLONK If the manual for your BIOS says to set the jumpers to CS, then it obviously supports Cable Select, so it would be the shop who is wrong, not your manual. But either way, it makes no difference once the system is up and running. -- I win! "Yeah dad, we'd rather have a live pussy mincing around the house than a dead hero anyday!" - Bart Simpson "I pitty the fool who derives self esteem from mocking other people's clothes!" - Mr. T |
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