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Hardware Setup CD-ROM Drive Mounting and Connections The CD-ROM disk drive mounts only in the 5.25” device cage and requires signal and power connections. The red stripe of the signal and power cables should face each other. NOTE: A CD-ROM audio cable is also provided in case you install an audio card. The only function of the audio cable is to allow you to direct the CD audio out signal to your audio card. Data signals travel through the IDE cable. Red Stripe of the Signal Cable Red Stripe of the Power Cable 4-5. Hard Disk Drives CD-ROM Drive Connections CD Audio Output Hard Disk Drive Carrier Plate A carrier plate on top of the power supply is used to hold an one-inch hard disk drive. Screw the underside of the hard disk drive on the bottom of the carrier plate as shown. Hard Disk Drive Mounted on the Carrier Plate The carrier slides into the chassis in this direction. The handle faces upward. IV. HW SetupHard Disk AP200 Hardware Reference Guide 23 IV. Hardware Setup Mounting the Hard Drive above the Power Supply Insert the carrier plate and hard disk drive into the slot on the bottom of the chassis top panel. Ultra2 SCSI Hard Drive Cable Connections For proper signal stability, a special twisted ribbon cable must be used to connect the SCSI hard drive to the motherboard. Red Stripe of the Signal Cable Red Stripe of the Power Cable IV. HW Setup Hard Disk Drives SCSI Hard Disk Drive Connections 24 AP200 Hardware Reference Guide IV. Hardware Setup External SCSI Terminator In order to prevent SCSI signal loss, the provided external SCSI terminator must be used at the end of the 68-pin SCSI cable. 50-pin SCSI cables may also use terminators but usually use termination jumpers on the device itself. All termination jumpers must be removed when using the external SCSI terminator. 4-6. Air Circulation System Fan Replacement The front and rear fans are both secured by plastic housings. The fan housings can be removed by pressing in the clip and sliding the housing upward. Press the clip with a screwdriver to release. IMPORTANT: When replacing the fans, be sure that both fans rotate in the same direction. Use the manufacturer’s sticker on one side of the fan as a reference. The air should flow from the rear of the chassis to the front of the chassis. IV. HW SetupAir Circulation AP200 Hardware Reference Guide 25 IV. Hardware Setup 4-7. Long Card Guide IV. HW Setup Card Guide / Speaker To reach into the inside front of the chassis, you may want to remove the long card guide first. Press the plastic clips with a screwdriver as shown. Press the clips with a screwdriver to release. 4-8. System Speaker The standard system speaker mounts in the chassis as shown here. To remove the speaker, press the metal clip (or pry from the front of the chassis) with a screwdriver and lift the speaker upward. Press the clip (or pry from to release. the front) with a screwdriver 26 AP200 Hardware Reference Guide IV. Hardware Setup 4-9. Power Supply Removing the Power Supply Unmounting the power supply must be done from the inside of the chassis. Remove the left panel of the chassis and the four screws securing the power supply. Press inward to release the power supply. Press inward to release the power supply. Power Supply Unmounted ATX Power Button The DC power button, secured by two screws, is located on the front panel of the chassis. Buttons on the Front Panel Power Button Screws Reset Button Infrared Window (reserved) AP200 Hardware Reference Guide 27 IV. HW SetupPower Supply IV. Hardware Setup 4-10. Power Information Output Voltage Regulation IV. HW Setup Power Information Output Min Max Tolerance +5.0V +4.75V +5.25V ±5% +12.0V +11.40V +12.60V ±5% +3.3V +3.135V +3.465V ±5% -12.0V -11.40V -12.60V ±5% -5.0V -4.75V -5.25V ±5% Output Current Capacity Load Min (A) Nom (A) Max (A) +3.3V 1.50 7.50 15.00 +5.0V 2.00 10.00 20.00 +12.0V 1.20 6.00 12.00 -5.0V 0.00 0.25 0.50 -12.0V 0.00 0.25 0.50 +5VSB 0.00 0.50 1.00 IMPORTANT 1. The total output power for 3.3V and 5V combined shall be 100W . 2. Cross regulation: +5V 20A: 4.75V Min; +12V 1.2A: 12.60V Max +5V 2A: 5.25V Max; +12V 12A: 11.40V Min 28 AP200 Hardware Reference Guide V. Appendix i. SCSI Cable Limits SCSI cables have a limit to the length that it may have. Exceeding the length may cause problems mounting or using any one of the SCSI devices. Cable Limits Max Data Transfer Rates Max Devices 1) 12m (29.4ft) Ultra2-SCSI (68-pin 80MB/Sec) 15 2) 3m - 1.5m Wide Ultra-SCSI (68-pin 40MB/Sec) 4 - 7 3) 3m (9.8ft) Wide-SCSI (68-pin 20MB/Sec) 15 4) 3m - 1.5m Narrow Ultra-SCSI (50-pin 20MB/Sec) 4 - 7 5) 3m (9.8ft) Narrow Fast-SCSI (50-pin 10MB/Sec) 7 IMPORTANT • The SCSI ID for devices on one connector cannot be the same as the SCSI ID for devices on the other connectors. None of the devices on any connector can use ID7, which is reserved for the SCSI controller. • A maximum of 15 devices may be connected to the motherboard (three connectors) at one time. The following “Max Devices” are for indivi...