PORTIBM PC Portable (uses same BIOS as XT) C100-C1FF - Intel Pentium mboard - PCTech RZ1000 EIDE controller Desc: the PCI configuration registers for the EIDE controller are visible on these ports when the PCI configuration space has been opened via ports 0CF8h and 0CFAh SeeAlso: PORTIBM PC Portable (uses same BIOS as XT) 03F0h"RZ1000",PORTIBM PC Portable (uses same BIOS as XT) 0CF8h,#00878 at INT 1A/AX=B10Ah