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S y s t e m i n t r o d u c t i o n
Peripherals
3.5-inch diskette drive
The 3.5-inch diskette drive in the 3.5-inch peripheral bay supports 720 KB, and 1.44 MB media.
The drive is externally accessible from the front of the system.
Internal 3.5-inch hard drive bays
The chassis contains one bay for two 3.5-inch-wide (1" high or 1-5/8" high) LVDS SCSI hard
drives with internal cabling. An optional hot-swap-capable backplane can accommodate six
3.5-inch-wide (1" high) or three 3.5-inch (1-7/8" high) hard drives, which are accessed from the
lower front of the system.
As part of the hot-swap implementation, a drive carrier is required. The drives are mounted in the
carrier with four fasteners and the carrier snaps into the chassis. Carriers with heatsinks are
available for high-power drives that require extra cooling.
A single metal EMI shield and plastic door cover the drive bays. A hot-docking bay is provided for
drives that are 3.5 inches wide and 1 inch high. Drives can consume up to 22 watts of power and
must be specified to run at a maximum ambient temperature of 55 C.
The system was designed to allow the user to install a Redundant Array of Independent Disks
(RAID). A software implementation with onboard SCSI or an add-in board can be used to set up
RAID applications.
External bays for 5.25-inch removable media devices
The chassis has two 5.25-inch half-height bays that are accessible from the front of the system.
These bays are intended to provide space for tape backup or other removable devices.
You can convert the 5.25-inch bays to a single full-height bay. It is recommend that you do NOT
install hard drives in these bays as they cannot be properly cooled or shielded. A hard drive
generates EMI and is therefore more susceptible to damage in this location.
Power supplies
The chassis can be configured with one, two, or three 400-watt power supplies, each designed to
minimise EMI and RFI. Each supply operates within the following voltage ranges and is rated as
follows:
100 - 120 VAC at 50 - 60 Hz; 7.6 A maximum
200 - 240 VAC at 50 - 60 Hz; 3.8 A maximum
The DC output voltages of each power supply are as follows:
+3.3 V at 36 A max
+5 V at 24 A max (total combined output of +3.3 V and +5.5 V not to exceed 195 W)
+12 V at 18.0 A with 19.0 A <10ms peak
+24 V at 50mA
-12 V at 0.5 A
+5 V standby 1.5 A
Power is routed through the power cable to the 20-pin main connectors on the baseboard.
Remote sensing signals are provided through the cable to the 14-pin auxiliary connector on the
baseboard.
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FT5000 HANDBOOK
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