MITSUMI ELECTRONICS CORPORATION
EXTERNAL CD-ROM INTERFACE CARD (VER. 1)
| 
 Card Type  | 
 CD-ROM interface card  | 
| 
 Chip Set  | 
 Unidentified  | 
| 
 Maximum Onboard Memory  | 
 None  | 
| 
 I/O Options  | 
 None  | 
| 
 Data Bus  | 
 8-bit ISA  | 
| 
 Floppy drives supported  | 
 None  | 
| 
 CONNECTIONS  | |
| 
 Function  | 
 Label  | 
| 
 CD-ROM interface connector  | 
 CN1  | 
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Label  | 
 Position  | |
| » | 
 Factory configured - do not alter  | 
 SW2/1  | 
 On  | 
| » | 
 Factory configured - do not alter  | 
 SW2/2  | 
 On  | 
| » | 
 Factory configured - do not alter  | 
 SW2/3  | 
 On  | 
| » | 
 Factory configured - do not alter  | 
 SW2/4  | 
 Off  | 
| » | 
 Factory configured - do not alter  | 
 SW2/5  | 
 Off  | 
| » | 
 Factory configured - do not alter  | 
 SW2/6  | 
 Off  | 
| » | 
 Factory configured - do not alter  | 
 SW2/7  | 
 Off  | 
| » | 
 Factory configured - do not alter  | 
 SW2/8  | 
 Off  | 
| 
 DMA CHANNEL SELECTION  | |||||
| 
 Channel  | 
 JP2/A  | 
 JP2/B  | 
 JP2/C  | 
 JP2/D  | |
| 
 1  | 
 Closed  | 
 Closed  | 
 Open  | 
 Open  | |
| » | 
 3  | 
 Open  | 
 Open  | 
 Closed  | 
 Closed  | 
| 
 BASE I/O ADDRESS SELECTION  | |||||||||
| 
 Setting  | 
 SW1/1  | 
 SW1/2  | 
 SW1/3  | 
 SW1/4  | 
 SW1/5  | 
 SW1/6  | 
 SW1/7  | 
 SW1/8  | |
| 
 0h  | 
 On  | 
 On  | 
 On  | 
 On  | 
 On  | 
 On  | 
 On  | 
 On  | |
| 
 4h  | 
 Off  | 
 On  | 
 On  | 
 On  | 
 On  | 
 On  | 
 On  | 
 On  | |
| 
 8h  | 
 On  | 
 Off  | 
 On  | 
 On  | 
 On  | 
 On  | 
 On  | 
 On  | |
| 
 Ch  | 
 Off  | 
 Off  | 
 On  | 
 On  | 
 On  | 
 On  | 
 On  | 
 On  | |
| 
 10h  | 
 On  | 
 On  | 
 Off  | 
 On  | 
 On  | 
 On  | 
 On  | 
 On  | |
| » | 
 300h  | 
 On  | 
 On  | 
 On  | 
 On  | 
 On  | 
 On  | 
 Off  | 
 Off  | 
| 
 3ECh  | 
 Off  | 
 Off  | 
 On  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | |
| 
 3F0h  | 
 On  | 
 On  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | |
| 
 3F4h  | 
 Off  | 
 On  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | |
| 
 3F8h  | 
 On  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | |
| 
 3FCh  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | |
| 
 Note:A total of 256 base address settings are available. The switches are a binary representation of the decimal memory addresses. SW1/8 is the Most Significant Bit and switch SW1/1 is the Least Significant Bit. The switches have the following decimal values: SW1/8=512, SW1/7=256, SW1/6=128, SW1/5=64, SW1/4=32, SW1/3=16, SW1/2=8, SW1/1=4. Turn off the switches and add the values of the switches to obtain the correct memory address. (Off=1, On=0)  | |||||||||
| 
 INTERRUPT SELECTION  | ||||
| 
 IRQ  | 
 JP1/A  | 
 JP1/B  | 
 JP1/C  | |
| 
 IRQ2  | 
 Closed  | 
 Open  | 
 Open  | |
| » | 
 IRQ3  | 
 Open  | 
 Closed  | 
 Open  | 
| 
 IRQ5  | 
 Open  | 
 Open  | 
 Closed  | |