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Re: Sun Blade 100 vs Ultra 60



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Hello,

On Feb 11, 2008, at 12:27, Dave McGuire wrote:

On Feb 11, 2008, at 5:09 AM, Jonathan Perkin wrote:

Possibly, I _think_ the X1 (and therefore the Blade 100, they use the same
IDE chipset) has a 48bit LBA limit, so I opted to put 120G drives in my X1
which work fine.

This is correct, 120GB is the maximum for those machines. Same for the V100...very frustrating.

Bigger disks should Just Work(tm) as long as kernel and loader are within the range that the firmware can see.

For example:
wd1 at atabus0 drive 1: <ST3160023A>
wd1: quirks 2<FORCE_LBA48>
wd1: drive supports 16-sector PIO transfers, LBA48 addressing
wd1: 149 GB, 310101 cyl, 16 head, 63 sec, 512 bytes/sect x 312581808 sectors
wd1: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 5 (Ultra/100)

This is from a PowerMac G4, the firmware and MacOS X see only 128GB which doesn't keep NetBSD from using the whole disk.

have fun
Michael

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