If the three function settings (1), (2), and (3) overlap with those already set on your PC compatible computer, the virtual CD will not start or the PC compatible computer will hang up. Doing so may cause trouble.
Know the settings of each PC compatible machine, and change the following settings only when the VCD I / F board settings must be changed from the default state, such as when overlapping with the DMA channel of the SCSI board. to hold. In this case, you must also change the value of the environment variable. When installing with the factory default settings, it is not necessary to set environment variables after starting up the PC compatible machine. For the procedure, refer to section 5.1 Preparation for startup.
1-2 pin IRQ4 (00) 3-4 pin IRQ3 (01) 5-6 pin IRQ10 (02) 7-8 pin IRQ11 (03) 9-10 pin IRQ12 (04) 11-12 pin IRQ15 (05)(2) ISA-DMA setting (J4)
1-2 pin & 3-4 pin DREQ5 / DACK5 (00) 5-6 pin & 7-8 pin DREQ6 / DACK6 (01) 9-10 pin & 11-12 pin DREQ7 / DACK7 (02)(3) I / O address setting (J5)
1-2 pin & 3-4 pin & 5-6 pin 340H (00) 3-4 pin & 5-6 pin 350H (01) 1-2 pin & 5-6 pin 3E0H (02) 5-6 pin 300H (03) 1-2 pin & 3-4 pin 310H (04) 3-4 pin 320H (05) 1-2 pin 330H (06) Open 370H (07)The Diag setting function of (J6) is used when the board is manufactured. You can leave it open.