From: Monroe Williams <monroe@pobox.com>
Subject: Success story with Sonnet Tempo Ultra ATA 66 and macppc-current
Date: Fri, 15 Jun 2001 01:08:19 -0700
Monroe> options PCIIDE_ACARD_ENABLE

Monroe> approaching 6M/sec and read rates approaching 9M/sec on a 
Monroe> relatively modern 20G WDC drive.  I'm sure I've seen better 
Monroe> throughput with this drive in another machine.

I have tested and worked fine on My StarMax 3000/180, 603e,180MHz
machine, although the through put may not be terrific.
Reading:  non ATA/66 : 7.7MBytes/sec
              ATA/66 : 9.0MBytes/sec

My model is ACARD,6260M which is with OpenFirmware ROM and for MacOS
version.

Thanks Monroe, 

 ---- Internal IDE bus + Seagate ST52520A (2.4G Bytes)
root@u  21:08:32/010619(/home/makoto)# dd if=/dev/rwd1a of=/dev/null bs=64k
2055+1 records in
2055+1 records out
134701056 bytes transferred in 17.319 secs (7777646 bytes/sec)

 ---- New PCI card + Seagate 320420A (20G Bytes)
root@u  21:09:37/010619(/home/makoto)# dd if=/dev/rwd0a of=/dev/null bs=64k
2055+1 records in
2055+1 records out
134701056 bytes transferred in 14.963 secs (9002276 bytes/sec)

...
pciide0 at pci0 dev 14 function 0: Acard ATP860-A Ultra66 IDE Controller (rev. 0x01)
pciide0: bus-master DMA support present
pciide0: primary channel wired to native-PCI mode
pciide0: using irq 24 for native-PCI interrupt
wd0 at pciide0 channel 0 drive 0: <ST320420A>
wd0: drive supports 16-sector PIO transfers, LBA addressing
wd0: 19458 MB, 16383 cyl, 16 head, 63 sec, 512 bytes/sect x 39851760 sectors
wd0: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 4 (Ultra/66)
wd0(pciide0:0:0): using PIO mode 4, DMA mode 2, Ultra-DMA mode 4 (Ultra/66) (using DMA data transfers)
pciide0: secondary channel wired to native-PCI mode
....
wdc0 at obio0 offset 0x20000 irq 13: DMA transfer
wd1 at wdc0 channel 0 drive 0: <ST52520A>
wd1: drive supports 16-sector PIO transfers, LBA addressing
wd1: 2446 MB, 4970 cyl, 16 head, 63 sec, 512 bytes/sect x 5009760 sectors
wd1: drive supports PIO mode 4, DMA mode 2
wd1(wdc0:0:0): using PIO mode 4, DMA mode 2 (using DMA data transfers)
...
---
Makoto Fujiwara
http://www.ki.nu/software/NetBSD/iBook2/