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Up to two floppy disk drives can be connected to the host adapter. Note: The AMM-1572 supports only floppy primary address 3F0h - 3F7h. The IRQ channel is hard-wired for channel 6 and the DMA channel is hard-wired for channel 2. To connect floppy disk drives: 1 Connect one end of the 34-pin floppy ribbon cable to the floppy connector on the host adapter. Note: When cabling the 34-pin floppy ribbon cable to both the host adapter and floppy disk drive(s), make sure that Pin 1 orientation is maintained. Pin 1 of the floppy ribbon cable is designated by a colored stripe on one edge of the ribbon cable. Pin 1 of the host adapter or floppy drive connector is usually designated by an arrow or delta symbol (▲) on the connector. 3-14 AMM-1570/1572 User’s Guide Stock Number: 510526-00, Rev. B Page: 3-14 j Print Spec Number: 492379-00 Current Date: 3/7/94 ECN Date: 3/8/94 j Installing the AMM-1570/1572 2 Connect the other end of the 34-pin floppy ribbon cable to the connector on the first floppy drive (drive A). Figure 3-13. 34-pin Floppy Cable to First Floppy Drive 3 To connect a second floppy drive, plug the middle connector of the floppy ribbon cable to the connector on the second floppy drive (drive B). To 1st Floppy Drive Figure 3-14. Connecting a Second Floppy Drive 3-15 \ AMM-1570/1572 User’s Guide | Stock Number: 510526-00, Rev. B Page: 3-15 j | Print Spec Number: 492379-00 Current Date: 3/7/94 ECN Date: 3/8/94 AMM-1570/1572 User's Guide Connecting the SCSI Bus Activity LED Most computers have a disk drive activity light, usually an LED (Light Emitting Diode) on the front panel. If you connect your system's LED cable to the host adapter, the LED will light to indicate SCSI bus activity. Note: If you connect your computer's LED to the host adapter, the LED no longer indicates non-SCSI disk activity. So you may not want to use this feature if you are running non-SCSI disk drives. To connect the SCSI bus LED connector: 1 Refer to your system's documentation to locate and unplug the LED cable from the connector on the system board. 2 Connect the LED cable to the SCSI activity LED connector (J1) on the host adapter. Note: On systems with a two position LED cable, connect the LED cable to pins 1 (+) and 2 (-) of the LED connector. 3-16 AMM-1570/1572 User’s Guide Stock Number: 510526-00, Rev. B Page: 3-16 j Print Spec Number: 492379-00 Current Date: 3/7/94 ECN Date: 3/8/94 Installing the AMM-1570/1572 Connecting Audio Equipment You can connect a variety of audio equipment to the AMM-1570/ 1572, such as headphones, powered or nonpowered external speakers, tape decks, CD players, joystick and MIDI connector, etc. With the exception of the joystick and MIDI connector, any audio equipment connected to the AMM-1570/1572 must be equipped with a 1/8-inch plug (miniphone) to plug into the audio jacks on the AMM-1570/1572. The following figure shows some of the audio equipment you can use and where to plug the equipment into the jacks on the mounting bracket of the AMM-1570/1572. © О Headphones/ Speakers Line Out Line In Microphone Joystick/ MIDI Port Figure 3-16. Connecting Audio Equipment to the Host Adapter Speaker (SPKR) Jack The SPKR jack allows you to connect headphones or external speakers (powered or nonpowered speakers). Line-out (OUT) Jack The OUT jack allows you to connect audio equipment for audio output from the AMM-1570/1572. Typical equipment includes stereo receivers, amplifiers, amplified speaker systems, and tape decks. Use an RCA-to-stereo miniphone cable to plug your equipment into the OUT jack. 3-17 I AMM-1570/1572 User’s Guide | Stock Number: 510526-00, Rev. B Page: 3-17 j | Print Spec Number: 492379-00 | Current Date: 3/7/94 ECN Date: 3/8/94 AMM-1570/1572 User's Guide Line-in (IN) Jack The IN jack allows you to connect audio equipment for audio input to the AMM-1570/1572. Typical equipment includes stereo receivers, amplifiers, tape decks, and CD players. Use an RCA-to-stereo miniphone cable to plug your equipment to the IN jack. Note: Audio input from a CD-ROM drive to the AMM-1570/1572 is accomplished by connecting a separate audio cable (provided by the CD-ROM drive manufacturer) from the Line-level Output (Audio Out) connector on the drive to the CD Audio Input connector (J4) on the AMM-1570/1572. Since the Line-level Output is a nonstandard connector and can vary depending on the CD-ROM manufacturer, the type of audio cable used can also vary. Refer to the CD-ROM drive documentation for information on connecting your drive to the CD-Audio Input on sound cards such as the AMM-1570/1572. To have a customized cable made, pinouts for connector J4 on the AMM-1570/1572 are described in Appendix A, Specifications. Microphone (MIC) Jack The MIC jack allows you to connect any standard microphone with a miniphone plug. Joystick/MIDI Port The Joystick/MIDI port on the AMM-1570/1572 is identical to that on a standard PC game control adap...

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