Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Wed, 27 Nov 2002 14:16:39 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Wed, 27 Nov 2002 14:16:38 -0500 Received: from 222-251.dslpool.net ([64.254.222.251]:23432 "EHLO sixfold.com") by vger.kernel.org with ESMTP id ; Wed, 27 Nov 2002 14:16:36 -0500 Date: Wed, 27 Nov 2002 13:03:44 -0600 (CST) From: Ivan Pulleyn To: Steven Timm cc: Subject: Re: Tyan 2466, 2468 BIOS setting In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3775 Lines: 109 The kernel reads the the BIOS setting and tries to determine what addressing mode to use: http://www.win.tue.nl/~aeb/linux/Large-Disk-11.html#ss11.1 Ivan... On Wed, 27 Nov 2002, Steven Timm wrote: > > In a number of boards with Phoenix BIOS including > the Tyan S2466 and S2468, there is a setting in the BIOS > for "Large Disk Access Mode", the available settings are > "DOS" and "Other". Tyan docs suggest selecting "other". > > These boards use the AMD 760MPX chipset. (dmesg output is below). > My question...is anyone aware of (1) does the kernel look > at this BIOS option at all, and if so (2) could having > it set to DOS instead of Other lead to any > data corruption? > > Steve Timm > > > > Kernel 2.4.9-31smp detects it as: > > PCI_IDE: unknown IDE controller on PCI bus 00 device 39, VID=1022, > DID=7441 > PCI_IDE: chipset revision 4 > PCI_IDE: not 100% native mode: will probe irqs later > ide0: BM-DMA at 0xf000-0xf007, BIOS settings: hda:DMA, hdb:DMA > ide1: BM-DMA at 0xf008-0xf00f, BIOS settings: hdc:pio, hdd:pio > hda: ST340016A, ATA DISK drive > hdb: ST380021A, ATA DISK drive > hdc: CD-ROM 56X/AKH, ATAPI CD/DVD-ROM drive > ide0 at 0x1f0-0x1f7,0x3f6 on irq 14 > ide1 at 0x170-0x177,0x376 on irq 15 > hda: 78165360 sectors (40021 MB) w/2048KiB Cache, CHS=4865/255/63 > hdb: 156301488 sectors (80026 MB) w/2048KiB Cache, CHS=9729/255/63 > > from lspci > > 00:07.1 IDE interface: Advanced Micro Devices [AMD]: Unknown device 7441 > (rev 04) > > ----------------------------------------- > > Kernel 2.4.18-18smp detects it as: > > AMD7441: IDE controller on PCI bus 00 dev 39 > AMD7441: chipset revision 4 > AMD7441: not 100% native mode: will probe irqs later > AMD7441: disabling single-word DMA support (revision < C4) > ide0: BM-DMA at 0xf000-0xf007, BIOS settings: hda:DMA, hdb:DMA > ide1: BM-DMA at 0xf008-0xf00f, BIOS settings: hdc:DMA, hdd:DMA > hda: WDC WD400BB-00DEA0, ATA DISK drive > hdb: WDC WD800BB-00CAA1, ATA DISK drive > hdc: SR243T, ATAPI CD/DVD-ROM drive > hdd: WDC WD1200BB-00CAA1, ATA DISK drive > ide0 at 0x1f0-0x1f7,0x3f6 on irq 14 > ide1 at 0x170-0x177,0x376 on irq 15 > blk: queue c03f9ce4, I/O limit 4095Mb (mask 0xffffffff) > blk: queue c03f9ce4, I/O limit 4095Mb (mask 0xffffffff) > hda: 78165360 sectors (40021 MB) w/2048KiB Cache, CHS=4865/255/63, > UDMA(100) > blk: queue c03f9e2c, I/O limit 4095Mb (mask 0xffffffff) > blk: queue c03f9e2c, I/O limit 4095Mb (mask 0xffffffff) > hdb: 156301488 sectors (80026 MB) w/2048KiB Cache, CHS=9729/255/63, > UDMA(100) > blk: queue c03fa188, I/O limit 4095Mb (mask 0xffffffff) > blk: queue c03fa188, I/O limit 4095Mb (mask 0xffffffff) > > > > ------------------------------------------------------------------ > Steven C. Timm (630) 840-8525 timm@fnal.gov http://home.fnal.gov/~timm/ > Fermilab Computing Division/Operating Systems Support > Scientific Computing Support Group--Computing Farms Operations > > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ > -- ---------------------------------------------------------------------- Ivan Pulleyn Sixfold Technologies, LLC Chicago Technology Park 2201 West Campbell Drive Chicago, IL 60612 email: ivan@sixfold.com voice: (866) 324-5460 x601 fax: (312) 421-0388 ---------------------------------------------------------------------- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/