New hard drive, old BIOS?

2003-06-22 Thread Roger Merritt
I've just installed a new, 40GB hard drive, and copied my system over to 
it. It booted and seems to be running fine, but I have a couple of worries.

1. My BIOS setup utility doesn't detect the drive using the Auto Detect 
Hard Drives feature. In fact, when I tried to run it, it hung. However, 
when I just went ahead and booted FreeBSD (on my old hard drive) it didn't 
seem to have any problem seeing and writing to the new drive. Is this a 
serious enough problem to take the risk of trying to flash an upgrade to my 
BIOS?

2. When I booted up using the new hard drive, everything seemed to go OK 
for a while, then I got a number of error messages on the console: ad0s1a: 
UDMA ICRC error reading fsbn 96639 of 48288-28369 (ad0s1 bn 96639; cn 6 tn 
3 sn 60) falling back to PIO mode. Would this be the likely result of an 
outdated BIOS (the blurb says copyright 1998)? Or is it more likely the 
result of old cables which don't meet the ATA66 spec?

Subjectively, the machine seems to be running somewhat faster, despite the 
lack of DMA (I don't know if DMA ever worked on this machine). And it's a 
great relief to now have plenty of free space.

--
Roger
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Re: New hard drive, old BIOS?

2003-06-22 Thread Viktor Lazlo


On Sun, 22 Jun 2003, Roger Merritt wrote:

 I've just installed a new, 40GB hard drive, and copied my system over to
 it. It booted and seems to be running fine, but I have a couple of worries.

 1. My BIOS setup utility doesn't detect the drive using the Auto Detect
 Hard Drives feature. In fact, when I tried to run it, it hung. However,
 when I just went ahead and booted FreeBSD (on my old hard drive) it didn't
 seem to have any problem seeing and writing to the new drive. Is this a
 serious enough problem to take the risk of trying to flash an upgrade to my
 BIOS?

FreeBSD only relies on the system BIOS to boot the system; once the kernel
loads it disables the system BIOS, so as long as it is booting normally
everything should be fine.  While it most likely wouldn't hurt anything I
wouldn't make flashing the ROM a priority unless it was having problems
starting up or there was some feature in the newer BIOS I wanted to take
advantage of.


 2. When I booted up using the new hard drive, everything seemed to go OK
 for a while, then I got a number of error messages on the console: ad0s1a:
 UDMA ICRC error reading fsbn 96639 of 48288-28369 (ad0s1 bn 96639; cn 6 tn
 3 sn 60) falling back to PIO mode. Would this be the likely result of an
 outdated BIOS (the blurb says copyright 1998)? Or is it more likely the
 result of old cables which don't meet the ATA66 spec?

This is typically the result of faulty IDE cables--if a new one came with
the drive try that and see if it still occurs.

 Subjectively, the machine seems to be running somewhat faster, despite the
 lack of DMA (I don't know if DMA ever worked on this machine). And it's a
 great relief to now have plenty of free space.

Even if Ultra-DMA isn't supported it very likely is faster, drives have
made a lot of advances since 1998, they spin faster, have larger
read/write buffers and improved data-handling algorithms.

Cheers,

Viktor
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Re: New hard drive, old BIOS?

2003-06-22 Thread Roger Merritt
At 06:25 PM 6/22/03, you wrote:
snip
 While it most likely wouldn't hurt anything I
wouldn't make flashing the ROM a priority unless it was having problems
starting up or there was some feature in the newer BIOS I wanted to take
advantage of.
Thanks. That was what I thought from reading various web sites on the subject,
but I wanted reassurance.
This is typically the result of faulty IDE cables--if a new one came with
the drive try that and see if it still occurs.
None came with the drive. I hope I have one. Thanks again.

--
Roger
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