Date: Wed, 13 Feb 2002 11:31:56 +0800 From: Raymond <[EMAIL PROTECTED]> Subject: Re: [LIB]retto HDD pins
At 05:14 AM 12/02/2002 -0800, you wrote: >Date: Tue, 12 Feb 2002 20:07:46 +0700 >From: [EMAIL PROTECTED] >Subject: Re: [LIB]retto HDD pins > >> 2 cables - data and power. > >OK... I think I've got it - does this sound right? > > - the block of 44/43 pins *includes* the power supply pins (and the other >four are jumper pins) Yup > - the power supplied by the desktop goes into the cable/socket hanging off >the adapter, and the adapter passes the power to the appropriate pins on the >HDD (somewhere in the block of 44/43). > > - and that's why the desktop end of the adapter has 40 pinouts... aaaaaah Yup >> Note that most HDD adapters won't work on ATA66/100 (80 wire) >> cables because the key pin is blocked (and the HDD adapters I've seen >> have a pin there). > >The adapter I have has a full complement of 40 pins on the desktop side... Ya thats what I mean >> Carry an ATA33 cable with you just to be safe... > >hehehehe... if i need another cable, I'll have to set up another shopping >expedition. >If the desktop turns out to have an 80 wire ribbon, could I just remove the >'extra' pin from the adapter? Umm ... you *should* be able to but I'd play it safe and just use an ATA33 cable. >> there should be a '1' marked on the adapter to let you line it up with the >> stripe on the data cable (you might have to look REALLY hard to find it). > >I've looked really really hard, but the only "1"s are the two that identify >pin 1 (one on the Laptop HDD side, one the desktop ribbon cable side) - is >that the same thing? I'd imagine so ... >> The end of the adapter that plugs into the hdd is easy, thats got a >> key blank so it won't fit backwards. > >No! It hasn't - HOWEVER, the label identifies pin 1 on the HDD, and pins >1,2,43,and 44 are labelled on the laptop side of the adapter (plus pins >1,2,39,40 on the desktop side), so I think that bit will be OK...? Umm ... well you need to make sure that you've got power round the right way but if you've got the numbers going in the right direction you'll be safe. >>> I thought the four on the right were power, but now I think they are >>> jumper pins. >> >> ya they're jumper pins. Set it up as you would a normal desktop >> hard drive. > >Heck - I'm clueless! Any ideas? >Does it need a jumper when it's in the desktop, but not when it's in the >Libretto? If in doubt, remove all jumpers and plug the HDD in by itself ... in most all HDDs I've seen they flip to either master or cable select, both of which will 'work' as single drive. >> Make sure you load EZ-Bios if you'll be using it in the libby. > >This is a new one on me - what is EZ-Bios, what does it do? >I've just upgraded my BIOS from 7.40 to 8.10... EZ-Bios lets your older computer see the full size of the hard drive (otherwise you'll be stuck at 1024 cylinders or approximateion 8.4 gig). There are links to where it can be downloaded from in past posts to this list, check the archives for details. >> If you install EZ-Bios but then boot off a floppy diskette when the HDD >> is in a desktop, you'll ruin the partition tables. Instead, let it boot >> off the HDD and press CTRL when you get the EZ-Bios prompt. >> Then put your floppy diskette in, press A and boot. > >Do I have two options here - to use the Libretto HDD as a primary (boot) or >a secondary (slave?) drive in the desktop? Use it as the ONLY hard drive in the desktop (ie. primary master). If you MUST have another hard drive in there, preferrably put it as master on the secondary channel. >And then a further two options - to boot the desktop from a floppy or from >the HDD (either mine or the one that belongs to the desktop)? Boot from the floppy to install EZ-Bios, from that point onwards boot from the HDD. If you need to boot from floppy, first boot the HDD then when you get the EZ-Bios prompt, press CTRL to get the EZ-Bios menu, put the FDD in, select A and press enter. This lets EZ-Bios load before the FDD boots. >I'd just assumed the desktop would be booted as normal and that my drive >would appear as an extra drive letter and I'd copy the i386 directory across >using Windows Explorer... The problem is the desktop may not need the BIOS overlay ... which means that if you partition and install then put the HDD into the libby where you NEED the BIOS overlay, your partition table will be corrupted. I wasted a day and a half because of this ... hehe >Sorry, so many questions - I'd not realised this bit was so complicated. I wouldn't say complicated ... its more a combination of fiddly and infuriating ... a bit like my current experiences trying to get #@#@%%$^^#% PCMCIA working on my Linux install ;-) Good luck! - Raymond --- /~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\ | | "Does fuzzy logic tickle?" | | ___ | "My HDD has no reverse. 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