Red Hat Linux 6.2: The Official Red Hat Linux Reference Guide
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# CD-ROM Module Parameters

| Please Note
| Not all of the cards that are listed are supported. Please check the hardware compatibility list on Red Hat's World Wide Web site at http://www.redhat.com/support/docs/hardware.html to make sure your card is supported.

One of the more commonly used parameters, the hdX=cdrom parameter, can be entered at the boot prompt, as it deals with support for IDE/ATAPI CD-ROMs, which is part of the kernel.

In the tables below, most modules without any parameters listed are either able to auto-probe to find the hardware, or require you to manually change settings in the module source code, and recompile.

Table A-1. Hardware Parameters

Hardware | Module | Parameters
--- | --- | ---
ATAPI/IDE CD-ROM Drives |  | hdX=cdrom
Aztech CD268-01A, Orchid CD-3110, Okano/Wearnes CDD110, Conrad TXC, CyCDROM CR520, CyCDROM CR540 (non-IDE) | `aztcd.o` | aztcd=io_port
Sony CDU 31A or 33A CD-ROM | `cdu31a.o` | cdu31a=io_port,IRQ[,PAS] cdu31a_port=base_addr cdu31a_irq=irq
Philips/LMS CDROM drive 206 with cm260 host adapter card | `cm206.o` | cm206=io_port,IRQ
Goldstar R420 CD-ROM | `gscd.o` | gscd=io_port
ISP16, MAD16, or Mozart sound card CD-ROM interface (OPTi 82C928 and OPTi 82C929) with Sanyo/Panasonic, Sony, or Mitsumi drives | `isp16.o` | isp16=io_port, IRQ, dma,drive_type isp16_cdrom_base=io_port isp16_cdrom_irq=IRQ isp16_cdrom_dma=dma isp16_cdrom_type=drive_type
Mitsumi CD-ROM, Standard | `mcd.o` | mcd=io_port,IRQ
Mitsumi CD-ROM, Experimental | `mcdx.o` | mcdx=io_port_1, IRQ_1, io_port_n, IRQ_n
Optics storage 8000 AT CD-ROM "Dolphin" drive; Lasermate CR328A | `optcd.o` | optcd=io_port
SB Pro 16 compatible | `sbpcd.o` | sbpcd=io_port,sb_pro_Setting
Sanyo CDR-H94A | `sjcd.o` | sjcd=io_port sjcd_base=io_port
Sony CDU-535 & 531 (some Procomm drives) | `sonycd535.o` | sonycd535=io_port

Here are some examples of these modules in use:

Table A-2. Hardware Parameters Configuration Examples

Configuration | Example
--- | ---
ATAPI CD-ROM, jumpered as master on 2nd IDE channel | hdc=cdrom
non-IDE Mitsumi CD-ROM on port 340, IRQ 11 | mcd=0x340,11
Three non-IDE Mitsumi CD-ROM drives using the experimental driver, io ports 300, 304, and 320 with IRQs 5, 10 and 11 | mcdx=0x300,5,0x304,10,0x320,11
Sony CDU 31 or 33 at port 340, no IRQ | cdu31=0x340,0 cdu31_port=0x340 cdu31a_irq=0
Aztech CD-ROM at port 220 | aztcd=0x220
Panasonic-type CD-ROM on a SoundBlaster interface at port 230 | sbpcd=0x230,1
Phillips/LMS cm206 and cm260 at IO 340 and IRQ 11 | cm206=0x340,11
Goldstar R420 at IO 300 | gscd=0x300
Mitsumi drive on a MAD16 soundcard at IO Addr 330 and IRQ 1, probing DMA | isp16=0x330,11,0,Mitsumi
Sony CDU 531 at IO address 320 | sonycd535=0x320

| Please Note
| Most newer Sound Blaster cards come with IDE interfaces. For these cards, you do not need to use sbpcd parameters, only use hdx parameters.

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