Re: How to connect a DVD burner plus a CD player? -- need ca…

Craig White wrote:

> On Wed, 2004-10-06 at 12:55, Josef Lowder wrote:
>

>>1. What is the procedure to connect two CD units ... 
>>    one DVD burner plus one CD player? 

>>
>>2. And, where can one find the necessary cables?
>>

>>3. Also, I assume that the primary unit (DVD burner) 
>>    should have the jumper set as "Master" 
>>    (even though one HD is also set as "Master" and one as "slave") 

>>
>>I already have two hard disks on the primary IDE interface,
>>and it is my understanding that I use the secondary IDE interface
>>for the CD units. Is that correct?
>>
>>No instructions or cables came with the DVD burner -- I guess
>>it is an "OEM" unit, perhaps a refurbished unit, although it does
>>not appear to have ever been used.
>>
>>In any case, where can one find or purchase the necessary cables?
>>And, how many cables are needed? I have an available power supply
>>line, but in addition to needing the IDE interface ribbon cable, there are
>>jacks on the unit for both a 2-pin digital audio connector and for a 4-pin
>>analog audio connector. Are both needed? The Asus motherboard
>>manual and diagram indicate a place for a 4-pint audio connector,
>>but I cannot locate any 2-pin digital audio connector.
>
> ----
> Most computers have a primary and secondary IDE controller. Each
> controller can have a master and a slave connected to it. Thus having 2
> hard drives on the primary controller, one primary and one slave device
> would be logical. Likewise, you could have a primary and slave device on
> the secondary controller. Common Linux designations would have...
> hda -> primary controller, master device
> hdb -> primary controller, slave device
> hdc -> secondary controller, master device
> hdd -> secondary controller, slave device
>
> The audio connection used depends upon your sound card (or integrated
> sound), the analog (3 wires in 4 posts) would be more common. The
> digital connection requires digital sound connector on your sound card.
> Use digital if possible, analog is typical. Most sound cards (all
> integrated sound that I am aware of) only allow for 1 CD/DVD device to
> connect. That would the device primarily used for playing music.
>
> Craig
>
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Nice description, Craig.

I'd like to add that there are two types of IDE ribbons, one with 40 and
one with 80 wires. The 80 wire versions are for high speed DMA drives.
You may find that your HDDs are DMA100 and your DVD/CD drives only do
DMA33, in which case you'd want to put the drives with the same speeds
on the same controller (channel/ribbon). The controller downshifts to
the speed of the slower device, from what I'm told. All else being
equal, you might want to put your HDDs as masters and DVD/CDs as slaves.
That'll improve your i/o throughput for the most part. You might also
want to consider which devices your BIOS can boot to. Newer models can
boot to a CD anywhere, but some older ones will only boot to master
devices. YMMV.

-- 
-Eric 'shubes'
"There is no such thing as the People;
  it is a collectivist myth.
  There are only individual citizens
  with individual wills
  and individual purposes."
-William E. Simon (1927-2000),
     Secretary of the Treasury (1974-1977)
  "A Time For Truth" (1978), pg. 237

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