Date: Mon, 18 Mar 2002 21:38:25 +0100 (CET) From: Tomas Pluskal <plusik@pohoda.cz> To: freebsd-questions@FreeBSD.ORG, <freebsd-bugs@FreeBSD.ORG> Subject: slow ATAPI ZIP ? Message-ID: <20020318213656.Y410-200000@s096-n062.tele2.cz>
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This message is in MIME format. The first part should be readable text, while the remaining parts are likely unreadable without MIME-aware tools. Send mail to mime@docserver.cac.washington.edu for more info. --0-2076576370-1016483905=:410 Content-Type: TEXT/PLAIN; charset=US-ASCII -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hello, I've 2 IDE controllers in my computer (1 on the mainboard and 1 added PCI card). Both are ATA-100. FreeBSD finds them OK and all connected devices work. On the second controller I have 1 HDD (1st IDE channel) and ATAPI ZIP drive (2nd IDE channel) and none of them works with DMA. Even when I set dma with sysctl, it falls back to PIO mode. I am not sure about the ZIP drive, but I am sure the HDD supports UDMA (it's WD Caviar 15GB). The HDD is quite fast even when in PIO mode (about 3 MB/s), but the ZIP drive is extremely slow (about 50KB/s), which is annoying. In M$ Windows it works normally (at least 10x faster). Maybe the kernel sets bad PIO mode for the ZIP drive, but I don't know how to change it ? This is dmesg report about ata devices (full dmesg included as attachment): atapci0: <CMD 649 ATA100 controller> port 0xb000-0xb00f,0xac00-0xac03,0xa800-0xa807,0xa400-0xa403,0xa000-0xa007 irq 11 at device 8.0 on pci0 ata2: at 0xa000 on atapci0 ata3: at 0xa800 on atapci0 atapci1: <VIA Apollo ATA controller> port 0xbc00-0xbc0f at device 17.1 on pci0 ata0: at 0x1f0 irq 14 on atapci1 ata1: at 0x170 irq 15 on atapci1 ad0: 38166MB <ST340016A> [77545/16/63] at ata0-master WDMA2 ad6: 14669MB <WDC WD153BA> [29805/16/63] at ata3-master UDMA66 acd0: CD-RW <SONY CD-RW CRX175A> at ata1-master using PIO4 acd1: CDROM <BCD-40XH CD-ROM> at ata1-slave using PIO4 afd0: 96MB <IOMEGA ZIP 100 ATAPI> [32/64/96] at ata2-master using PIO0 Is there a possibility to make the ZIP drive faster ? Thx Tomas Pluskal -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.6 (FreeBSD) Comment: For info see http://www.gnupg.org iD8DBQE8llBBqlO9Q2aZisoRAq+ZAKCEu/dkMBbvkxfe5Il+D3VmUwJBAQCfZo2F 4VcX22K82VqzmjzbE3tHuWI= =JIiu -----END PGP SIGNATURE----- --0-2076576370-1016483905=:410 Content-Type: TEXT/PLAIN; charset=US-ASCII; name=dmesg Content-Transfer-Encoding: BASE64 Content-ID: <20020318213825.D410@s096-n062.tele2.cz> Content-Description: Content-Disposition: attachment; filename=dmesg Q29weXJpZ2h0IChjKSAxOTkyLTIwMDIgVGhlIEZyZWVCU0QgUHJvamVjdC4N CkNvcHlyaWdodCAoYykgMTk3OSwgMTk4MCwgMTk4MywgMTk4NiwgMTk4OCwg MTk4OSwgMTk5MSwgMTk5MiwgMTk5MywgMTk5NA0KCVRoZSBSZWdlbnRzIG9m IHRoZSBVbml2ZXJzaXR5IG9mIENhbGlmb3JuaWEuIEFsbCByaWdodHMgcmVz ZXJ2ZWQuDQpGcmVlQlNEIDQuNS1SRUxFQVNFICMxOTogTW9uIE1hciAxMSAw OTo0NToxMyBDRVQgMjAwMg0KICAgIHJvb3RAczA5Ni1uMDYyLnRlbGUyLmN6 Oi91c3Ivc3JjL3N5cy9jb21waWxlL1BMVVNJSw0KVGltZWNvdW50ZXIgImk4 MjU0IiAgZnJlcXVlbmN5IDExOTMxODIgSHoNCkNQVTogQU1EIEF0aGxvbih0 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