Internal ATA 0: CD-ROM + CD-RW

problem is that both CD Drives do not work together. If CD-RW is set to MASTER, CD-ROM is SLAVE, only CD-RW is working. If both are CABLE SELECT only CD-ROM works ...

Internal ATA 1: HDD

specs:

G3 A/V mini tower - 333 MHz

384 RAM (512 MB stick (only 256 used, do not know why) + 2x 64 MB)