Supermicro SC-830W User manual

SC-830W CHASSIS

SC-820W CHASSIS

USER’S MANUAL

Revision 1.1

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Chapter 1

SC830W/SC820W CHASSIS

I. Chassis Specifications

Dimensions: 380 x 505 x 570 mm ( W x H x D)

A. Drive bay: 5.25” x 9, 3.5” x 2

B. 9 expansion slots

C. lockable side door and front door

D. Power Supply:

SC830W --Dual Redundant 300W ATX 2.03 compliant

SC820W-- Single Redundant Cooling 400W ATX 2.03 compliant

E. Maximum board size : 18” x 13”

F. Cooling system: Two sections of cooling. One cooling system for each chamber of the chassis.

1) On the Hard Disk Drive side—two of 12-cm exhaust fans.

2) On the Main board side – There are two cartridges on the front. Inside each cartridge, there are two

cooling fans. Each fan is 9-cm with 3-pin connector.

3) Two Fan deflectors and two fan door-blocks are also included. These deflectors are designed to

optimize airflow, and the fan-door blocks to prevent hot air from being drawn back.

H. Parts included: Mounting kits, drive bay rails (11 pairs), rubber stands, cables and wires tie wraps.

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2. Installation Procedures

To Open the Side Doors:

Please locate 4 holes and a lock on the motherboard sides of chassis. Unscrew the four screws on the side door,

and the door will be unlocked. Move the doors slightly upward to open the door. Both side doors are unlocked

by default. However, if you lock one side door by using the key provided, both doors will be locked.

To Install the Motherboard:

A. Check if the I/O port fits your chassis I/O plate or not. (They are several kinds of I/O shield standards. The

default I/O for this chassis is Venus with punch out plug for the sound port.)

B. Check the mounting holes on the motherboard to see if they align with the mounting stands on the chassis. If

not, add or remove the mounting stands to match the mounting holes on the board with the holes on the chassis.

C. Remove the unnecessary mounting stands under the motherboard to avoid shorting the circuitry on the

motherboard.

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To Attach the Black Rubber Standoffs to the Inside Motherboard Tray to

Function as Shock Absorbers.

To prevent the motherboard from being damaged by impact, please peel off the double-sided tape of the rubber

standoffs and attach the black rubber standoffs on the motherboard tray at the locations under the CPU and PCI

slots. This is especially important for the Xeon systems.

To Open the Front Panel:

Locate three locking tabs at the edge of the panel (The drive bay doors can be detached if needed.) Slide the

locking tabs upward and the door will swing open. To detach the front panel, you need to open the panel to a

wide angle (--the angle should be greater than 90 degrees) and move it slightly upward to slide the panel out of

its position.

To Install the Device in the Bay:

All the drive bays need to have a pair of rails mounted to the device. Slide in the device until you hear the click,

and the device is in the locked position.

To remove the bay:squeeze the metal bars and pull the device out.

Unlock by moving

up the locking tab

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To Install IDE , Floppy and SCSI Cables:

A. The chassis has eight cable access holes to enhance cable organization and to optimize airflow in the

chassis.

B. Locate eight cable holes inside the chassis. Route the cables through the closest cable access holes to the

best organize the cables and to increase airflow in the chassis.

To Install the Cooling Device:

All fan cartridges, fan deflectors and fan door blocks are designed to optimize ventilation inside the chassis. If

a cooling fan is not installed into the cooling fan slot, you need to install the door block in the slot to prevent

drawing hot air back into the motherboard side of the chassis.

For best ventilation, please keep both side-doors closed at all time.

Fan Door block Dual Fan with cartridge

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To Adjust Airflow Directions

Two deflectors are designed to improve air circulation in the chassis. Loosen and tighten the screws on the

deflectors to redirect the airflow in the chassis. If needed, the deflectors also can be removed.

LED Connections

LED Indicators on the Front Panel

LED Definitions:

1. LED1: POWER (Power on Indicator)

2. LED2: NIC (Networking adapter card activity indicator)

3. LED3: HDD (Hard disk operating indicator)

4. LED4: PWR FAULT (Power supply failed indicator)

5. LED5: FAN FAIL

6. LED6: OVERHEAT

7. LED7: DEV 1

8. LED8: DEV 2

9. LED9: DEV 3

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Switches:

1. POWER: Power Switch

2. ALARM: ACPI Sleep Switch

3. RESET: Reset Switch

Front Panel LED PCB Pin Assignments

JP4 header

1 Power LED (Green) + 2 X

3 X Key 4 Fan Fail LED (Red) +

5 Power LED (Black) 6 Fan Fail LED Ground (black)

7 Hard drive LED (Yellow) + 8 Power Fail LED(Red) +

9 Hard drive LED (Black) 10 Power Fail LED Ground (black)

11 Power Switch (Green) + 12 NIC Activity LED (Yellow) +

13 Power Switch Ground (Black) 14 NIC Activity LED Ground (Black)

15 Reset Switch (White) 16 X

17 Reset Switch Ground (Black) 18 X

19 ACPI Switch (White) 20 X

21 ACPI Switch Ground (Black) 22 X

23 X 24 X

25 Overheat LED (Red) + 26 Overheat LED Ground (black)

27 X 28 Speaker (Red)

29 X 30 X

31 X 32 X

33 X 34 Speaker Ground (black)

Pin 1 GND

JP5 : Device 1 LED

JP6 : Device 2 LED { Device 1,2,3 LED for system device LED }

JP7 : Device 3 LED

LEDs and Power and Reset wiring connections:

1. PWR LED : Pin 1 and Pin5 for System Power LED.

2. HDD : Pin 7and Pin 9 for IDE hard drive activity.

3. PW S : Pin 11 and Pin 13 for System Power On-Off switch .

4. Reset : Pin 15 and Pin 17 for system reset switch.

5. Switch : Pin 19 and Pin 21 for ACPI switch. ( momentary switch)

6. Fan Fail : Pin 4 and Pin 6 for system fan fail LED indication.

7. Power Fail : Pin 8 and Pin 10 for Power fault LED indication.*

8. NIC LED : Pin 12 and Pin 14 for system Network Activity LED indication.

9. O.H. : Pin 25 and Pin 26 for system Overheat LED indication.

10. Speaker : Pin 28 and Pin 34 for system Speaker.

* Power fail LED: It can be connected to power supply Power LED (Green/Black). Please check the ATX

Wiring harness diagram.

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CHAPTER 2: POWER SUPPLY

1. Installation: Hot-Swap procedures

Please refer to the following procedures should either one of your power supply units is found

defective.

A) Locate the defective power supply by examining the individual LED on the module, or the LED on the

system front panel.

B) Unscrew the defective power supply unit.

C) Remove the defective power supply unit.

D) Replace a bad unit with a new GOOD power supply unit by inserting a new power supply into the power

supply system.

E.) Check the DC OK LED-- the power supply status indicator. There are two DC OK LED Indicators, one

indicator for each power supply unit. If a power supply unit functions correctly, its indicator should light

up. If the indicator does not light up, then you need to fix the power supply unit.

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2. Power Supply Features

lHot-Swappable capability

lInternal ORing diode for Redundancy Operation

lDual AC input for Redundancy safety

lPower fault alarm system

lFan rail with noise decreasing function

lStandard PC connection/wiring interface

lMeet the up-to-date ATX specification

lEasy operating and maintain

lMTBF (Demonstrated) greater than 100,000 hours

3. Power Supply Specifications

3.1 Input Voltage

Parameter Min Nor Max Units

Voltage 90 VAC 115 VAC 132 VAC Vrms

Voltage 180 VAC 230 VAC 264 VAC Vrms

Frequency 47 63 Hz

3.2 DC Output Characteristics

3.21 Output Regulation To be met under all combinations of loading.

Output

Voltage V1

+5V V2

+3.3V V3

+12V V4

-5V V5 -

12V Standby

Max. Load

Min. Load 30A

3A 15A

0A 12A

1A 0.5A

0A 0.5A

0A 1A

Max. Power Total 150W 144W 2.5W 6W 5W

Load Reg. % +/-5% +5/-3% +/-5% +/-10% +/-10% +/-5%

Line Reg. % +/-1% +/-1% +/-1% +/-1% +/-1% +/-1%

3.2.2 Ripple & Noise

Ripple & Noise +5V +3.3V +12V -5V -12V Standby

5VSB

Ripple % +/-1% +/-1% +/-1% +/-1% +/-1% +/-1%

Noise % +/-1% +/-1% +/-1% +/-2% +/-2% +/-1%

3.3 Remote Sensing

The +3.3V and +5V outputs shall have provisions for remote sensing to

compensate for 100mv of cable, connector & PCB trace drops. The default

+3.3V sensor shall be connected to pin 11 of Connector P1. The +5V sensor shall be

connected to pin 20 of Connector P1. The power supply shall draw no more

than 10mA through the remote sensor line to keep the DC offset voltage to a

minimum.

3.4 Remote ON/OFF(PS-ON)

PS-ON is an active low signal that turns on all of the main power rails,

including +3.3V,+ 5V,-5V,+12V & -12V power rails. When this signal is

held up by the PC board or is left open circuited, outputs of the power rails

should not deliver current and should be held at a zero potential with respect

to ground. Power should only be delivered to the rails if PS-ON signal is

held at ground potential. This signal should be held at +5VDC by a pull-up

resistor which is built in internally.

Page

Power On P1-PIN #14 PS-ON Power Switch P1-PIN #14 PS-ON

ON LON IN

OFF HON IN

OFF X ON OUT

OFF XOFF X

3.5 +5V SB

The +5VSB output is always on (+5V Standby) when AC power is applied

and the power switch is turned on. The +5VSB line is capable of delivering at a

maximum of 1.5A for PC board circuit to operate.

3.6 Efficiency

65% min. at full load test.

3.7 Timing/Housekeeping/Control

3.7.1 PS-OK Signal

3.7.2

Off

PS-ON On

95%

10% T5

+5V/+3.3V O/P ~

PS-OK T4

PW-OK Sense Level =95% of nominal T2

Note:

T2:The output voltage shall rise from <10% of nominal to within the regulation

specified in Section 2.2 within 0.1 to 20 ms.(0.1ms £T2 £20ms)

T3 T4 and T5 are as following Table:

Signal Type: +5VDC,TTL compatible

Logic level low <0.4V while sinking 4 mA

Logic level high Between 2.4VDC and 5VDC output while sourcing 200mA

High state output impedance 1KVfrom output to common

PS-OK delay 100ms < T3 < 500 ms

PS-OK rise time T5 £10 ms

Power down warning T4 > 1 ms

3.7.2 PWR_OK(Power Good)

PWR_OK is a “power good” signal. It should be asserted high by the power supply to indicate that the

+5VDC and +3.3VDC outputs are above the undervoltage thresholds listed in Section 3.2 . PWR_OK

should be descended to a low state when either the +5VDC or the +3.3VDC output voltages falls below the

undervoltage threshold, or when the main power has been removed for a time long enough that power

supply operation cannot be guaranteed beyond the hold-up time. The electrical and timing characteristics of

the PWR_OK signal are given in Section 4.7.1.

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