RME Audio DIGI32/8 Spécifications télécharger pdf (Page 28)

"ide0=umc8672" : probe/support umc8672 chipsets

During the install of some PCMCIA systems, you may be able to get detection of your CD−ROM by using:

"ide2=0x180,0x386" : probe typical PCMCIA IDE interface location

Everything else is rejected with a "BAD OPTION" message. Also note that there is an implied ide0=0x1f0

ide1=0x170 in the absence of any other ide boot args.

7.2 Old MFM/RLL/Standard ST−506 Disk Driver Options

(`hd=')

The standard disk driver can accept geometry arguments for the disks similar to the IDE driver. Note however

that it only expects three values (C/H/S) −− any more or any less and it will silently ignore you. Also, it only

accepts `hd=' as an argument, i.e. `hda=', `hdb=' and so on are not valid here. The format is as follows:

hd=cyls,heads,sects

If there are two disks installed, the above is repeated with the geometry parameters of the second disk.

7.3 XT Disk Driver Options (`xd=', `xd_geo=')

If you are unfortunate enough to be using one of these old 8 bit cards that move data at a whopping 125kB/s

then here is the scoop. The probe code for these cards looks for an installed BIOS, and if none is present, the

probe will not find your card. Or, if the signature string of your BIOS is not recognized then it will also not be

found. In either case, you will then have to use a boot argument of the form:

xd=type,irq,iobase,dma_chan

The type value specifies the particular manufacturer of the card, and are as follows: 0=generic; 1=DTC;

2,3,4=Western Digital, 5,6,7=Seagate; 8=OMTI. The only difference between multiple types from the same

manufacturer is the BIOS string used for detection, which is not used if the type is specified.

The xd_setup() function does no checking on the values, and assumes that you entered all four values.

Don't disappoint it. Here is an example usage for a WD1002 controller with the BIOS disabled/removed,

using the `default' XT controller parameters:

xd=2,5,0x320,3

If the disk geometry that the kernel prints out comes out all wrong to what you know the disk is set up as, you

can override that as well, with:

xd_geo=cyl_xda,head_xda,sec_xda

Add another comma and another three CHS values if you are silly enough to have two disks on the old hunk

of scrap...

The Linux BootPrompt−HowTo

7.2 Old MFM/RLL/Standard ST−506 Disk Driver Options (`hd=') 24

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RME Audio DIGI32/8 Spécifications Page 28