Goldstar R420 CD-Rom device driver README For all kind of other information about the GoldStar R420 CDROM and this Linux device driver see the WWW page: http://linux.rz.fh-hannover.de/~raupach If you are the editor of a Linux CD, you should enable gscd.c within your boot floppy kernel. Please, send me one of your CDs for free. This current driver version 0.4a only supports reading data from the disk. Currently we have no audio and no multisession or XA support. The polling interface is used, no DMA. Sometimes the GoldStar R420 is sold in a 'Reveal Multimedia Kit'. This kit's drive interface is compatible, too. Installation ------------ Change to '/usr/src/linux/drivers/cdrom' and edit the file 'gscd.h'. Insert the i/o address of your interface card. The default base address is 0x340. This will work for most applications. Address selection is accomplished by jumpers PN801-1 to PN801-4 on the GoldStar Interface Card. Appropriate settings are: 0x300, 0x310, 0x320, 0x330, 0x340, 0x350, 0x360 0x370, 0x380, 0x390, 0x3A0, 0x3B0, 0x3C0, 0x3D0, 0x3E0, 0x3F0 Then go back to '/usr/src/linux/' and 'make config' to build the new configuration for your kernel. If you want to use the GoldStar driver like a module, don't select 'GoldStar CDROM support'. By the way, you have to include the iso9660 filesystem. Now start compiling the kernel with 'make zImage'. If you want to use the driver as a module, you have to do 'make modules' and 'make modules_install', additionally. Install your new kernel as usual - maybe you do it with 'make zlilo'. Before you can use the driver, you have to mknod /dev/gscd0 b 16 0 to create the appropriate device file (you only need to do this once). If you use modules, you can try to insert the driver. Say: 'insmod /usr/src/linux/modules/gscd.o' or: 'insmod /usr/src/linux/modules/gscd.o gscd=<address>' The driver should report its results. That's it! Mount a disk, i.e. 'mount -rt iso9660 /dev/gscd0 /cdrom' Feel free to report errors and suggestions to the following address. Be sure, I'm very happy to receive your comments! Oliver Raupach Hannover, Juni 1995 (raupach@nwfs1.rz.fh-hannover.de)