RACK-305G
4U Rackmount Chassis
Version: 1.0
Quick Installation Guide
ABOUT THE RACK-305G
The 4U, heavy-duty steel RACK-305G AT/ATX compatible
rackmount industrial chassis is designed to operate reliably in
industrial environments where it will be exposed to dust, wide
temperature variations, and shocks and vibrations, among other
things.
SPECIFICATIONS
Form Factor:
SBC Form Factor:
Construction:
Slots Number:
Cooling:
Drive Bay Combinations:
o 3 x 5.25” Optical drives + 1 x 3.5” FDD (floppy disk
o 2 x 5.25” Optical drives + 1 x 3.5”HDD (hard disk
Operating Temperature: 0~40°C
Relative Humidity: 5~95%
Vibration:
Shock: 10G acceleration peak to peak
o 2 x 5.25” Optical drives+ 2 x 3.5” FDD
Dimensions (DxWxH):
o 413mm x 431mm x 176mm
o 5-17Hz, 0.1” double amplitude displacement
o 17-640Hz, 1.5G acceleration peak to peak
Standard 4U, 19” wide
Full-size, slot CPU cards
Heavy-duty steel
14-slot (305G), 7-slot (305GATX)
2 x 8cm fan
drive)
drive) + 1 x 3.5” FDD
PACKING LIST
When you unpack the chassis, make sure the following items have
been shipped.
1 x Quick Installation Guide
1 x Power cord
2 x Handles and handle plates
1 x Screw set
2 x Keys
DETAILS OF INCLUDED SCREWS
The attached screw set includes five types of screws. Screws used
for chassis installation are shown below.
1 2 3 4 5
Peripherals/Parts
5.25” Optical Drives 5
3.5” FDD 5
3.5” HDD 1
2.5” HDD 4
Power Supply Unit 1
Rackmount Bracket 3
Table 1: Screws for Peripheral/Parts
Screw Label (refer to the picture
above)
3 Backplane
2
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DIMENSION DRAWING
The dimensions of RACK-305G are shown below.
╒
╒
╒
╒
Figure 1: Dimension Drawing (measurement units: millimeter)
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INSTALLATION STEPS
To install the RACK-305G chassis, the following installation steps
must be completed:
Step 1: Unpack the chassis.
Step 2:
Step 3: Remove the top cover and hold-down clamp.
Step 4: Install the PSU.
Step 5: Install the backplane.
Step 6: Install the CPU card.
Step 7:
Step 8: Install the disk drives.
Step 9: Front Panel cables.
Step 10: PSU cable and interface cable connections
Step 11: Replace the top cover.
The installation steps outlined above are described in detail below.
Please refer to the relevant section.
Install the front handles.
Install the PCI and ISA expansion cards.
STEP 1: UNPACK
The RACK-305G is shipped in a plastic bag that is placed inside a
cardboard box. The accessories are also shipped with the chassis.
When you unpack the chassis you must:
Make sure all the accessories and components listed above are
present.
Make sure the chassis has not been damaged in anyway.
STEP 3: TOP COVER AND HOLD-DOWN
CLAMP REMOVAL
3.1: TOP COVER REMOVAL
The top cover is secured to the chassis with six retention screws,
three on each side of the chassis. To remove the top cover, please
follow the steps below.
Step 1:
Figure 3: Top Cover Retention Screws
Step 2: Lift the top cover up gently.
Remove all six top cover retention screws. Remove
three retention screws from each side of the chassis.
STEP 2: FRONT HANDLE INSTALLATION
Two handles are shipped with the RACK-305G chassis. The handles
are installed on the sides, at the front of the chassis. Each handle is
secured to the chassis by four retention screws. To install the
handles, please follow the steps below.
Step 1: Align the retention screw holes on the side of the
chassis with the retention screws in the handle.
Step 2: Insert and fasten four retention screws for each
handle.
Figure 2: Front Handle Retention Screws
Figure 4: Remove the Top Cover
TEP 3.2: HOLD-DOWN CLAMP REMOVAL
S
Detach the hold-down clamp by removing the two screws located on
each side of the chassis and lift the hold-down clamp off the chassis.
Figure 5: Remove the Hold-Down Clamp
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STEP 4: Install the Power Supply unit (PSU)
Once the top cover and hold-down clamp have been removed, the PSU must be installed. Compatible IEI PSUs are listed in the table below.
Model No. Input Ty pe Watt
ACE-940AP-RS AC AT 390W N/A 40A 15A N/A 0.3A 0.8A N/A
ACE-832AP-RS AC ATX 300W 28A 30A 15A N/A 0.3A 0.8A 2A
ACE-841AP-S-RS AC ATX 400W 28A 33A 20A N/A 0.5A 1A 2A
ACE-850AP-RS AC ATX 500W 27A 29A 18A 18A 0.3A 0.8A 2A
Table 2: Compatible IEI PSUs.
The PSU is installed at the rear of the chassis and secured to the
chassis with six retention screws. To install the PSU, please follow
the steps below.
Step 1: Correctly position the PSU at the rear of the chassis
making sure that the power switch and the cable
socket both face outwards.
Step 2: Once the PSU has been correctly positioned, secure
the PSU to the chassis by inserting two retention
screws through the side internally, and four retention
screws through the rear of the chassis.
+3.3V +5V +12V1 +12V2 -5V -12V +5Vsb
STEP 5: BACKPLANE INSTALLATION
The IEI backplanes listed below are compatible with the RACK-305G
chassis.
Model No. SBC Type PCI ISA
BP-14S-RS ISA N/A 14 AT
PCI-13SD-RS PCIMG 1.0 3+4 3+3 AT/ATX
PCI-14S2-RS PCIMG 1.0 4 8 AT/ATX
PCI-14S3-RS PCIMG 1.0 4 9 AT/ATX
PX-14S3-RS PCIMG 1.0 12 2 AT/ATX
PX-14S5-RS PCIMG 1.0 7 5 AT/ATX
PXAGP-13S3-RS PCIAGP 11 N/A AT/ATX
PE-10S PICMG 1.3 4 0 ATX
Table 3: Compatible Backplanes
To install the backplane please follow the instructions below.
Step 1: Insert the nine copper pillars in the predrilled screw
Output Range
PSU
Connector
holes in the bottom of the chassis.
Figure 6: Insert Internal PSU Retention Screws
Figure 7: Insert PSU Retention Screws.
Figure 8: Locations of the Nine Copper Pillars
Step 2: Mount the backplane onto the copper pillars and align
the backplane mounting holes with the nine screw
holes in the copper pillars.
Step 3:
Once the backplane is properly aligned with the
retention screw holes, insert nine retention screws to
secure the backplane to the chassis.
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STEP 6: CPU CARD INSTALLATION
To install the CPU card please follow the instructions below.
Step 1:
Figure 9: Remove the Slot Cover Retention Screw
Step 2: Slide the CPU card into the socket on the backplane
Remove the slot cover at the back of the chassis. To do
this, remove the slot cover retention screw at the top of
the slot cover.
reserved for the CPU card. If you are installing a full
size CPU card, make sure the back edge of the CPU
card slots into the corresponding plastic guide rail
located behind the cooling fans.
Step 3: To secure the PCI/ISA expansion card, reinsert the
previously removed slot cover retention screw.
STEP 8: DISK DRIVES INSTALLATION
The RACK-305G chassis has two drive brackets: one main drive
bracket and a side bracket. The main drive bracket supports up to
three 5.25” optical drives or two 5.25” drives and one 3.5” drive
(HDD or FDD). The side bracket supports one 3.5” FDD drive.
To install the drives, please follow the steps outlined in the sections
below.
S
8.1: R
TEP
Before any drives can be installed, the side bracket attached to the
main drive bracket must be removed. To remove the side bracket,
remove the two retention screws from the top of the side bracket that
secure the side bracket to the main bracket.
Figure 11: Remove the Side Bracket
EMOVE THE SIDE BRACKET
STEP 8.2: INSTALL 3.5” DRIVES INTO THE SIDE BRACKET
The side bracket supports one 3.5” FDD. If you want to install a 3.5”
FDD drive into the side bracket, please follow the steps below.
Step 1:
Step 2: Place a 3.5” FDD drive into the bracket. Make sure the
Step 3:
Remove the front flap from the side bracket by
removing the two retention screws that secure the front
flap to the side bracket.
FDD PCB board is facing the surface of the bracket
and the 4-pin power connector and the IDE/SATA
interface connector are facing the rear of the bracket.
To secure the 3.5” FDD to the side bracket, insert four
retention screws.
STEP 8.3: REMOVE THE MAIN DRIVE BRACKET
If you wish to install 5.25” optical drives or more than one 3.5” drive
(HDD or FDD), the main drive bracket must be removed. To remove
Figure 10: Slide the CPU Card into the Sockets
Step 3:
To secure the CPU card, reinsert the previously
removed slot cover retention screw.
STEP 7: PCI/ISA EXPANSION CARD
the main drive bracket from the chassis, follow the steps below.
Step 1: Remove the side bracket. See Step 8.1: Remove the
Side Bracket above.
Step 2:
Remove the four retention screws that secure the main
bracket to the base of the chassis.
INSTALLATION
The RACK-360G supports up to 14 PCI/ISA expansion cards and
the RACK-305GATX variant supports up to 7 expansion cards. To
install an expansion card (PCI or ISA) please follow the steps below.
Step 1: Remove the slot cover at the back of the chassis. To do
this, remove the slot cover retention screw at the top of
the slot cover.
Step 2: Slide the PCI/ISA expansion card into reserved
PCI/ISA socket on the backplane.
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Figure 12: Remove the Four Retention Screws on the Sides of
the Main Bracket
STEP 8.4: INSTALL DRIVES INTO THE MAIN DRIVE
BRACKET
The main drive bracket has three bays that support the combinations
as follows:
o 3 x 5.25” Optical drives
o 2 x 5.25” Optical drives + 1 x 3.5” HDD
o 2 x 5.25” Optical drives + 1 x 3.5” FDD
A 3.5” drive tray (HDD or FDD) is installed into the top drive bay. The
two lower drive bays are covered with two metal plates. The 3.5”
drives (HDD or FDD) are always installed in the drive bracket in the
top drive bay. The 5.25” optical drives can be installed in all three
drive bays.
When you are installing drives into the main drive bracket, always
install the 5.25” optical drives into the two lower drive bays first.
If you want to install a 5.25” optical drive into the main drive bracket,
follow the steps below:
Step 1:
Step 2: If you are installing the 5.25” optical drive into the top
If you are installing the 5.25” optical drive into the lower
two drive trays, remove the front metal covers from the
drive bays by removing the four retention screws that
secure the front metal plates to the main drive bracket.
drive bay, remove the 3.5” drive bracket from the main
drive bracket. To do this, remove the four retention
screws that secure the 3.5” drive tray to the main
bracket and then slide the 3.5” drive tray out of the
main drive bracket.
Figure 14: Remove the Four Retention Screws on the
Step 3: Slide the 5.25” optical drive into the selected drive bay.
Step 4:
If you want to install a 3.5” HDD drive into the main drive bracket,
follow the steps below:
Step 1:
Step 2: Place a 3.5” HDD into the drive bracket. Make sure the
Step 3: Secure the HDD to the drive bracket by inserting four
Sides of the Main Bracket
Make sure the drive is upright and the 4-pin power
connector and the IDE/SATA drive interface connector are
at the rear of the drive bay.
Secure the 5.25” optical drive to the chassis by inserting
four retention screws through the sides of the main drive
connector and into the 5.25” drive. The retention screws
are inserted into the same locations as the retention
screws for the front metal flaps and the 3.5” drive tray.
Remove the 3.5” drive tray from the top drive bay in the
main drive bracket. To do this, remove the four
retention screws that secure the 3.5” drive bracket to
the main drive bracket and then slide the 3.5” drive tray
out of the main drive bracket.
PCB on the 3.5” HDD is placed directly on the bottom
surface of the drive bracket, and the 4-pin power
connector and the IDE/SATA drive interface connector
are facing the rear.
retention screws (two on each side) through the sides
of the drive bracket and into the HDD.
Figure 13: Remove the Front Metal Cover Retention
Screws
Figure 15: Install a 3.5” Disk Drive into the Adapter Bracket
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Step 4: Reinsert the 3.5” drive tray, with the installed 3.5” HDD
into the main drive bracket. Make sure that the power
connector and the drive interface connector face the
rear of the chassis and the drive is at the top of the
drive bracket.
Step 5:
If you want to install a 3.5” FDD drive into the main drive bracket,
follow the steps below:
Step 1: Remove the 3.5” drive tray from the top drive bay in the
Step 2:
Reinsert the four, previously removed, 3.5” drive tray
retention screws.
main drive bracket. To do this, remove the four
retention screws that secure the 3.5” drive tray to the
main drive bracket and then slide the 3.5” drive tray out
of the main drive bracket.
The front of the 3.5” drive tray is covered with a
detachable metal cover. Use your fingers to push the
detachable cover inwards until the cover snaps off the
3.5” drive tray.
bracket retention screws.
Step 3: Correctly mount the side drive bracket onto the main
drive bracket making sure the 4-pin FDD power
connector and IDE/SATA interface connector both face
the rear of the chassis.
Step 4:
Reinsert the two, previously removed, side bracket
retention screws into the top of the side bracket.
STEP 9: FRONT PANEL CABLES
The RACK-305G has the following compotents accessible at the
front.
These components are all connected to the CPU card with cables.
To correctly connect these cables, please refer to the technical
documentation that came with your CPU card. The connectors that
are provided with the chassis are listed below.
No. Name
2
o 1 x Power LED
o 1 x HDD activity LED
o 1 x Power switch
o 2 x Reset buttons
o 2 x USB ports
o 1 x PS/2 keyboard/mouse
Figure 16: Bend off the front cover of the 3.5”drive bracket
Step 3: Place a 3.5” FDD drive into the bracket. Make sure the
FDD is upright and both the 4-pin power connector and
the IDE/SATA drive interface connector are facing the
rear of the bracket.
Step 4: Make sure the PCB on the 3.5” FDD is placed directly
on the bottom surface of the drive bracket and the
4-pin FDD power connector and the IDE/SATA drive
interface connector are facing the rear.
Step 5: Secure the FDD to the drive bracket by inserting four
retention screws (two on each side) through the sides
of the drive bracket and into the HDD.
Step 6: Reinsert the 3.5” drive tray, with the installed 3.5” FDD
into the main drive bracket. Make sure the 4-pin power
connector and the IDE/SATA drive interface connector
face the rear of the chassis and the FDD is at the top of
the drive bracket.
Step 7: Reinsert the four, previously removed, 3.5” drive tray
retention screws.
Step 8.5: Reinstall the Drive Brackets
Once all the drives have been installed into the drive brackets,
reinstall the drive brackets into the chassis. To reinstall the drive
brackets into the chassis, please follow the steps below:
Step 1: Place the main drive bracket into the chassis making
sure that the front of the 5.25” optical drives are facing
out of the chassis and the 4-pin drive power
connectors and IDE/SATA interface connectors are all
facing the rear of the chassis.
Step 2: Reinsert the four, previously removed, main drive
USB cable
1
KB cable
1
Power LED cable
2
Reset Switch cable
1
HDD LED cable
1
Power switch cable
Table 4: Chassis Connectors
The pin definitions for the USB cable are shown below
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PIN No. Description Color
1
2
3 D+ Yellow
4
Table 5: Pin Definitions of USB Cable
+5V Red
D- Dark Yellow
GND Brown
STEP 10: PSU CABLE AND INTERFACE
CABLE CONNECTIONS
Before you reinstall the hold-down clamp and the cover, the following
cables need to be connected.
Step 1: Connect the PSU cables from the PSU to the full-size
CPU card, HDD, FDD, cooling fans and optical drives
power connector.
Step 2:
The drive interface connectors must be connected to
the CPU card.
STEP 11: HOLD-DOWN CLAMP AND
COVER REINSTALLATION
After you have completed the above procedures, the hold-down
clamp and cover can be reinstalled. To do this, align the screw holes
on both ends of the hold-down clamp with the screw holes on both
sides of the chassis and reinsert the four previously removed
retention screws. After that, slide the cover back over the chassis
and reinsert the six previously removed retention screws.
CHASSIS MAINTENANCE
Figure 18: Remove the Hexagonal Socket Head Screw that
Secure the Bracket to the Front Panel
Step 4: Lift the fan bracket up and remove the four retention
screws on each corner of the fan.
AN REPLACEMENT
F
NOTE:
Please ensure that the power of the computer is switched
off before fan replacement procedure.
The CPU card has to be removed before removing the fan
bracket. Please refer to STEP 6 for the information about
CPU card removal.
There are two 8 cm cooling fans inside the RACK-305G chassis. To
replace a fan, please follow the instructions below.
Step 1: Remove the chassis cover. (Please refer to Step 3:
Top Cover and Hold-down Clamp Removal)
Step 2: Unplug the power cable that is connected to the fan.
Step 3: Use a 6mm hexagonal socket head screwdriver to
remove two hex nuts from the base of the fan bracket
and one hex nut from the rear side of the front panel.
Figure 19: Remove the Fan Retention Screws
Step 5: Replace the fan and secure the new fan to the front of
the chassis with the four previously removed retention
screws.
Step 6:
Reinstall the bracket back in the chassis and secure it
to the chassis with the previously removed retention
screws.
AN FILTER REPLACEMENT
F
To replace the fan filter, please follow the steps below.
Step 1: Loosen the two screws at the top of the fan filter
bracket and open the bracket.
Figure 20: Remove the Fan Filter
Figure 17: Remove the Two Hexagonal Socket Head Screws at
the Bottom of the Fan Bracket
Step 2: Replace the filter pad inside.
Step 3:
Put the fan filter bracket back and secure it to the
chassis with the two previously removed retention
screws.
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