whops,

that's nice performance! :) would like to implement this, too, but i 
just kicked my U10 in favour for some Uxx w/SCSI :D

rgds,

timo

>
> hi folks.
>
>
> for kicks i just tested a satalink 3112 based card in a U5/300.  it
> seems to work fine.
>
> satalink0 at pci2 dev 3 function 0
> satalink0: Silicon Image SATALink 3112 (rev. 0x02)
> satalink0: bus-master DMA support present
> satalink0: primary channel wired to native-PCI mode
> satalink0: using ivec 18 for native-PCI interrupt
> atabus2 at satalink0 channel 0
> satalink0: secondary channel wired to native-PCI mode
> atabus3 at satalink0 channel 1
> [ ... ]
> wd1 at atabus2 drive 0: <ST3120026AS>
> wd1: drive supports 16-sector PIO transfers, LBA48 addressing
> wd1: 111 GB, 232581 cyl, 16 head, 63 sec, 512 bytes/sect x 234441648 
> sectors
> wd1: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 6 
> (Ultra/133)
> wd1(satalink0:0:0): using PIO mode 4, Ultra-DMA mode 6 (Ultra/133) 
> (using DMA data transfers)
> wd2 at atabus3 drive 0: <ST3120026AS>
> wd2: drive supports 16-sector PIO transfers, LBA48 addressing
> wd2: 111 GB, 232581 cyl, 16 head, 63 sec, 512 bytes/sect x 234441648 
> sectors
> wd2: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 6 
> (Ultra/133)
> wd2(satalink0:1:0): using PIO mode 4, Ultra-DMA mode 6 (Ultra/133) 
> (using DMA data transfers)
>
>
> for the first GB i could read an individual disk at about 51MB/sec,
> read both disks simultaneously at about 43MB/sec, (oop, i didn't test
> write _speed_ and it's disconnected again now.)
>
> for comparision, a dual xeon 2.4ghz system could read about 55MB/sec
> from these disks and a xscale 600mhz system could read about 45MB/sec.
>
>
> (i think i'm planning on putting one of these in my U10/440 later
> this year.)
>
>
>
> .mrg.