PORTIBM PC Portable (uses same BIOS as XT) 0F8D - OPTi 82C750 (Vendetta) - AUDIO MODULE BASE ADDRESS REGISTER SeeAlso: PORTIBM PC Portable (uses same BIOS as XT) 0F8Eh,PORTIBM PC Portable (uses same BIOS as XT) 0530h"Vendetta" 0F8D RW "MCBase" base register (see #P0948) Bitfields for OPTi "Vendetta" (82C750) audio module base register: Bit(s) Description (Table P0948) 7 index/data port access protection disable 6-5 reserved 4-0 index/data port address bits 8-4 (bits 15-9 = 0000111; bits 3-0 = 1110 for index port, data port +1) SeeAlso: #P0949