Re: Info needed on 03/08/1999-SiS-5600-8661-2A6ILC39C-00

Re: Info needed on 03/08/1999-SiS-5600-8661-2A6ILC39C-00

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Posted by Henry on December 10, 2001 at 11:49:26:

In Reply to: Re: Info needed on 03/08/1999-SiS-5600-8661-2A6ILC39C-00 posted by Marcus on December 08, 2001 at 16:24:23:

: : Appears to be Chaintech (unless you made a typo!) and that would be the only place to look for a free BIOS update. By far, the quickest, easiest, safest way to make certain you have large HDD support is to get an ATA/66 expansion card - it will support HDDs up to 128 GB which should hold you awhile. ATA/66 will be OK speed wise until your HDD's sustained data transfer rate is much greater than 66MB/sec.

: : Good Luck,
: : Henry

: Thanks for the answer, Henry. With Chaintech it's like this: the fitting upgrade doesn't even address anything hd-specific:


: ("6SSA2" says a chip on the board where the manual locates the "System BIOS", so this should be it). Plus it's a beta, and even Chaintech doesn't take too much confidence in it.

: Expansion cards won't work, all slots taken, none to spare. One taken by a sound card, which had to replace the onboard sound desaster. Another one occupied by my network card. The third obstructed (not occupied of course) by an ISA I/O-card needed because my scanner didn't stomach SiS's-USB-solution, so I had to hook it up parallel (LPT 2). Looks like I'm in for a new board and processor because of an impending HD-failure. Which makes me mad.

: Best,

: Marcus

Sorry to hear that you are nearly stumped and your HDD seems to be failing. By all means, BACKUP YOUR DATA NOW, before you do anything else.

There are a couple of other alternatives - you can get a custom BIOS from Unicore that will solve your problems (try to get support fot the largest HDD they offer) - this is the expensive route but will probably cost a lot less than mainboard, CPU and probably memory and ... (I'd probably consider a barebones system to get all new components at the lowest price).

There is a "free" alternative to get large HDD support - that is, a drive overlay (DO) program such as Disk Manager, EZ-BIOS and others, but sometimes they are incompatible with the BIOS (WAS incompatible with my old compaq PC) and/or other HDDs on the system. The DO program extends the BIOS with software and affects ALL HDDs connected to the system; the problem is the sector addressing scheme used by the DO program may be different from the scheme used by the BIOS to address your old HDD - if so you would be unable to transfer your files or clone your old HDD directly to the new drive. You can get a sense of the problems from the EZ-BIOS removal article at:

This is not a trivial problem as it can limit you as to what HDDs you might successfully add to the system later and also will affect your future transition to a BIOS that supports very large HDDs. While there is no monetary cost involved there can be significant amounts of time dedicated to making it work and working around it. There are folks who swear by DO programs but most folks with two different make and model HDDs just swear at and about them.

Good Luck,

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