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rc-520 BBS-2520 small box bare bone system ? small box ? ? 5.25? mainboard ? ? slim cd-rom ? ? 180w atx power supply ?
c c c o o o p p p y y y r r r i i i g g g h h h t t t d d d i i i s s s c c c l l l a a a i i i m m m e e e r r r s s s the accuracy of contents in this manual has passed thorough checking and review before publishing. boser technology co., ltd., the manufacturer and publisher, is not liable for any infringements of patents or other rights resulting from its use. the manufacturer will not be responsible for any direct, indirect, special, incidental or consequential damages arising from the use of this product or documentation, even if advised of the possibility of such damage(s). this manual is copyrighted and boser technology co., ltd. reserves all documentation rights. unauthorized reproduction, transmission, translation, and storage of any form and means (i.e., electronic, mechanical, photocopying, recording) of this document, in whole or partly, is prohibited, unless granted permission by boser technology co., ltd. boser technology co., ltd. reserves the right to change or improve the contents of this document without due notice. boser technology co., ltd. assumes no responsibility for any errors or omissions that may appear in this manual, nor does it make any commitment to update the information contained herein. t t t r r r a a a d d d e e e m m m a a a r r r k k k s s s boser is a registered trademar k of boser technology co., ltd. isb is a registered trademark of boser technology co., ltd. intel is a registered trademark of intel corporation. award is a registered tradem ark of award software, inc. ami is a registered trademark of american megatrends, inc. all other trademarks, products and or product names mentioned herein are mentioned for identification purposes only, and may be trademarks and/or registered trademarks of their respective companies or owners. ? copyright 2006 boser technology co., ltd. all rights reserved. edition 1.1, september 27, 2006
table of contents chapter 1 general descriptio n............... ...............1 1.1 general description ......................................................... 1 1.2 features............................................................................. 2 1.3 specifications ................................................................... 2 1.4 i/o outlets ......................................................................... 3 1.5 dimensions ....................................................................... 4 chapter 2 unpacking ............ .................. ...............5 2.1 opening the delivery package........................................ 5 2.2 inspection.......................................................................... 5 chapter 3 hardware installa tion .............. ............7 3.1 procedures........................................................................ 7 3.1.1 remove cover............................................................................................7 3.1.2 install hdd .................................................................................................. 9 3.1.3 install mainboard ..................................................................................11 3.1.4 install power supply ........................................................................... 12 3.1.5 wallmount ................................................................................................ 13 3.1.6 install cd-rom........................................................................................ 14 chapter 4 power supply ......................................17 4.1 safety approvals ............................................................ 17 4.1.1 emi regulatory ............................................................................................17 4.1.2 safety...............................................................................................................17 4.2 physical requirements.................................................. 17 4.2.1 mechanical specifications .................................................................17 4.2.2 connector specifications................................................................... 18 4.2.3 connector pin designations ............................................................. 18 4.3 electrical requirements................................................... 19 4.4 environmental requirements.......................................... 22 4.5 safety ................................................................................. 23 4.6 electormagnetic compatibility........................................ 23 4.7 labeling ............................................................................. 23 4.8 reliability........................................................................... 23 4.9 safety requirements........................................................ 24 4.10 dimensions ..................................................................... 24
s s s a a a f f f e e e t t t y y y i i i n n n s s s t t t r r r u u u c c c t t t i i i o o o n n n s s s before getting started, read the following important cautions. 1. the rc-520/ BBS-2520 does not come equipped with an operating system. an operating system must be loaded first before installing any software into the computer. 2. be sure to ground yourself to prevent static charge when installing the internal components. use a grounding wrist strap and place all electronic components in any static-shielded devices. most electronic components are sensitive to static electrical charge. 3. disconnect the power cord from the rc-520/BBS-2520 before making any installation. be sure both the system and the external devices are turned off. sudden surge of power could ruin sensitive components. make sure the rc-520/BBS-2520 is properly grounded. 4. do not open the system?s back cover. if opening the cover for maintenance is a must, only a trained technician is allowed to do so. integrated circuits on computer boards are sensitive to static electricity. to avoid damaging chips from electrostatic discharge, observe the following precautions: before handling a board or integrated circuit, touch an unpainted portion of the system unit chassis for a few seconds. this will help to discharge any static electricity on your body. when handling boards and components, wear a wrist-grounding strap, available from most electronic component stores.
s s s a a a f f f e e e t t t y y y a a a p p p p p p r r r o o o v v v a a a l l l s s s ce marking fcc class a fcc compliance this equipment has been tested and complies with the limits for a class a digital device, pursuant to part 15 of the fcc rules. these limits are designed to provide reasonable protection against harmful interference in a residential installation. if not in stalled and used in accordance with proper instructions, this equipment might generate or radiate radio frequency energy and cause harmful interference to radio communications. however, there is no guarantee that interference will not occur in a particular installation. if this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measurers: 1. reorient or relocate the receiving antenna. 2. increase the separation between the equipment and receiver. 3. connect the equipment into an outlet on a circuit different from that to which the receiver is connected. 4. consult the dealer or an experienced radio/tv technician for help. 5. shielded interface cables must be used in order to comply with emission limits.

1 chapter 1 general description this chapter contains the general information and the detailed specifications of the rc-520/BBS-2520. 1.1 general description however this box houses the boser?s mainboard is supports intel ? pentium ? m/celeron ? m processor. the BBS-2520 small box manages to equip itself with connectors for vga, lan, com, usb, keyboard and mouse for friendly connections. the front panel features two usb ports and hdd/power led. the rc-520/BBS-2520 offers one internal drive bay for installation of 3.5? hdd drives. enclosure ventilation system features two 4cm ball bearing cooling fans that guarantee adequate airflow within the chassis.
2 1.2 features small box bare bone system design built-in mainboard, slim cd-rom, 180w atx p/s provides intel ? pentium ? m/celeron ? m processor onboard graphics controller onboard ethernet controller onboard 3d audio controller two com, four usb2.0 ports two 4cm ball bearing cooling fans 1.3 specifications cpu: ulv intel ? celeron ? m processor 600mhz/512k intel ? pentium ? m processor 760 2.0ghz intel ? pentium ? m processor 745 1.8ghz intel ? celeron ? m processor 370 1.5ghz intel ? celeron ? m processor 320 1.3ghz memory: one ddr socket supporting up to 1gb vga: onboard graphics controller ethernet: onboard 10/100 based lan audio: onboard 3d audio controller hdd/fdd/cd- rom: one 3.5? hdd space and one slim cd-rom serial port: one rs-232/422/485 and one rs-232 usb: four usb2.0 ports, two on front panel and two on back panel keyboard: ps/2 6-pin mini din mouse: ps/2 6-pin mini din bios: ami pnp flash bios watchdog timer: software programmable time-out intervals from 1~256 sec. power in: 180w atx power supply thermal solution: two 4cm ball bearing cooling fans temperature: 0~+55 c (operating); -20~+70 c (storage) dimensions: 33.45(l) x 25.5(w) x 5.0(h) cm note: for more detailed information on the mainboard used in your bare bone, refer to the mainboard user?s manual that came with the system packaging.
3 1.4 i/o outlets the following figure shows the i/o arrangement of the BBS-2520. BBS-2520 front panel no. description 1 external usb2.0 ports 2 hdd led 3 power led 4 slim cd-rom BBS-2520 back panel no. description 1 power in 2 on/off switch 3 ps/2 6-pin mini din mouse connector 4 ps/2 6-pin mini din keyboard connector 5/6 serial port connector 7 crt connector 8 audio connector 9 rj-45 connector 10 external usb2.0 ports
4 1.5 dimensions
5 chapter 2 unpacking 2.1 opening the delivery package the rc-520/BBS-2520 is packed in an anti-static bag. the bare bone system has components that are easily damaged by static electricity. do not remove the anti-static wrapping until proper precautions have been taken. safety instructions in front of this manual describe anti-static precautions and procedures. 2.2 inspection after unpacking the bare bone system, place it on a raised surface and carefully inspect the board for any damage that might have occurred during shipment. ground the board and exercise extreme care to prevent damage to the board from static electricity. integrated circuits will sometimes come out of their sockets during shipment. examine all integrated circuits, particularly the bios, processor, memory modules, rom-disk, and keyboard controller chip to ensure that they are firmly seated. the rc-520/BBS-2520 delivery package contains the following items: rc-520 chassis or BBS-2520 bare bone system x 1 180w atx power supply x 1 ac power core x 1 utility disc x 1 rc-520/BBS-2520 user?s manual x 1 mainboard user?s manual x 1 the rc-520/BBS-2520 system along with its accessories is packed in several bags and boxes, all packed in one carton. before you start, carefully read the safety instructions in front of this user?s manual.
6 it is recommended that you keep all the parts of the delivery package intact and store them in a safe/dry place for any unforeseen event requiring the return shipment of the product. in case you discover any missing and/or damaged items from the list of items, please contact your dealer immediately.
7 chapter 3 hardware installation this chapter tells how to install components into the bare bone system. external interface please refers to mainboard?s manual. 3.1 procedures 3.1.1 remove cover 1. loosen the no.1 ~ no.10 screw to open the upper cover.
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9 3.1.2 install hdd 1. fasten the no.11 ~ no.14 screw to install the hdd device into drive bay.
10 2. when install the hdd, please ca refully check the direction of the pin of cable. if wrong direction in use, system fails to function or damage to system will be possible. and it must be connection the hdd cable and hdd power cable then fasten the no.15 ~ no.17 screw to install the drive bay into the chassis.
11 3.1.3 install mainboard 1. fasten the no.18 ~ no.25 screw to install the mainboard.
12 3.1.4 install power supply 1. fasten the no.26 ~ no.32 screw to install power supply.
13 3.1.5 wallmount 1. fasten the no.33 ~ no.38 screw to wallmount.
14 3.1.6 install cd-rom 1. fasten the no.39 ~ no.45 install the cd-rom on front panel.
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17 chapter 4 power supply the specification below is intende d to describe as detailedly as possible the functions and performance of the subject power supply. any comment or additional requirements to this specification from our customers will be highly appreciated and treated as a new target for us to approach. 4.1 safety approvals the subject power supply will meet the emi requirements and obtain main safety approvals as following: 4.1.1 emi regulatory fcc part 15 subpart j, class ?b? 115 vac operation cispr 22 class ?b? 230 vac operation 4.1.2 safety nemko en 60950 tuv en60950 or vde en60950 csa 22.2 no. 234 level 3 iec 950 ul 1950 ce 4.2 physical requirements 4.2.1 mechanical specifications the mechanical drawing of the subject power supply, which indicate the form factor, location of the moun ting holes, location, the length of the connectors, and other physical specifications of the subject power supply. please refer to the attachment drawing.
18 4.2.2 connector specifications the power supply connectors are: ac inlet: standard inlet socket 10a/250v, ul/csa/ved approved p1: the equivalent of molex 39-01-2200, 20-pin connector pa, pc, pd: the equivalent of amp 1-480424-0, 4-pin connector pb: the equivalent of amp 171822-4, 4-pin connector pe: the equivalent of mole x 39-01-2040, 4-pin connector 4.2.3 connector pin designations p1 pa, pc, pd pb pe pin1 +3.3v orange +12v yellow +12v yellow com black pin2 +3.3v orange com black com black com black pin3 com black com black com black +12v yellow pin4 +5v red +5v red +5v red +12v yellow pin5 com black pin6 +5v red pin7 com black pin8 pw-ok gray pin9 +5vsb purple pin10 +12v yellow +3.3v orange pin11 +3.3vs brown pin12 -12v blue pin13 com black pin14 ps-on green pin15 com black pin16 com black pin17 com black pin18 n/c n/c pin19 +5v red pin20 +5v red
19 4.3 electrical requirements the subject power supply will meet a ll electrical specifications below, over the full operation temperature range and dynamic load regulation. output rating output nominal regulation ripple/noise min. max. 1 +3.3v +/-5% 50mv 0.3a 16.8a 2 +5v +/-5% 50mv 0.3a 12.0a 3 +12v +/-5% 120mv 1.5a 10.0a 4 -12v +/-10% 120mv 0.0a 0.8a 5 +5vsb +/-5% 50mv 0.0a 2.0a note: -12v, +3.3v, +5v, +12v will have the regula tion to +/-10% when all load take off. the +3.3v and +5v total output shall not exceed 61 watts. the +3.3v, +5v and +12v total output shall not exceed 165 watts and the total output for this subject power supply is 180 watts. ripple and noise measurements shall be made under all specified load conditions through a single pole low pass filter with 20mhz cutoff frequency. outputs shall bypassed at the connector with a 0.1uf ceramic disk capacitor and a 10uf electrolytic capacitor to simulate system loading. load capacity specifications load stm +3.3v +5v +12v -12v all max hhhh 4.5a 9.0a 9.0a 0.8a +5v max other min lhll 0.3a 12.0a 1.5a 0.0a +3.3v max other min hlll 16.8a 0.3a 1.5a 0.0a +12v max other min llhl 0.3a 0.3a 10.0a 0.0a all min llll 0.3a 0.3a 1.5a 0.0a hold up timer (@full load) 115v/60hz: 17msec. minimum. 230v/50hz: 17msec. minimum. output rise time (10% to 90% of final output value, @full load) 115v-rms or 230v-rms; +5vdc: 20mx max.
20 over voltage protection +5v dc output: +5.7v dc min.; +6.5v dc max. +12v dc output: +13.3v dc min.; +15.6v dc max. +3.3v dc output: +3.7v dc min.; +4.5v dc max. short circuit protection output short circuit is defined to be a short circuit load of less then 0.1 ohm. in the event of an output short circ uit condition on +3.3v, +5v or +12v output, the power supply will shutdown and latch off. the power supply shall return to normal operation after the short circuit has been removed and the power switch has been turned off for no more than 2 seconds. in the event of an output short circ uit condition ? 12v output, the power supply will not be latch off. the power supply shall return to normal operation as soon as the short ci rcuit has been removed and the power switch has been turned of for no more than 2 seconds. overload protection overload currents defined as a 10 amp/sec fault current ramp starting from full load, applied to the +3.3v, +5v output, shall snot cause that output to exceed 32 amps before th e output voltage drops below 0.5 volts and is latched off. the +12v output shall not exceed 20 amps under the same ramp conditions starting at full load before it is latched off. power good signal the power good signal is a ttl compatible signal for the purpose of initiating an orderly star-up procedu re under normal input operating conditions. this signal is asserted (low) until +5vdc has reached 4.75 volts during power up. characteristics: ttl signal asserted (low state): less the 0.5v while sinking 10ma. ttl signal asserted (high state): greater than 4.75v while sourcing 500ua. high state output impedance: less or equal to 1kohm from output to common. power good @ 115/230v, full load 100~500msec. power fail @ 115/230v, full load 1msec. minimum
21 output transient load response +5v and +12v must be within specification for a step change in current as specified below. the outputs will be tested one section at a time with all other sections at maximum load. the test transition will be from ia to ib and ib to ia. +5v vdc +12v vdc +3.3v vdc ia 12.0 amps 9.0 amps 16.8 amps ib 8.4 amps 7.0 amps 13.0 amps volts variation +5v +/-5% +12v +/-5% +3.3v +/-5% setting time 10ms max. 10ms max. 10ms max. transient load slew rate is 0.5a/us 0.1a/us 0.1a/us note: +5vsb: 0.5a; -12v: 0.1a ac input line requirements parameter min. nom. (1) max. unit v in (115vac) 90 115 135 vac rms v in (230vac) 180 230 265 vac rms v in frequency 47 ---- 63 hz note: nominal voltages for test purposes are considered to be within +/-1.0v of nominal. inrush current (cold start ? 25 deg. c) 115v 50amps-peak 230v 80amps-peak input line current 115v 4.0 amps ? rms max. 230v 2.0 amps ? rms max. efficiency 115vac @ full load 68% min. 230vac @ full load 68% min. ps_on min. max. v il , input low voltage 0.0v 0.8v v il , input low current (v in =0.4v) -1.6ma v ih , input high voltage (l in =-200ua) 2.0v v ih , open circuit, l in =0 5.25v
22 4.4 environmental requirements the power supply will be compliant with each item in this specification for the following environmental conditions. temperature range operating 0 to +50 deg. c storage -20 to +80 deg. c humidity operating 5~95% rh, non-condensing storage 5~95% rh, non-condensing vibration the subject power supplies will withstand the following imposed conditions without experiencing non-re coverable failure or deviation from specified output characteristics. vibration operating ? sine wave exci ted, 0.5g maximum acceleration, 10~250hz swept at one octave/min. fifteen minute dwell at all resonant points, where resonance is defined as those exciting frequencies at which the device under text experiences excursions two times large than non-resonant excursions. plane of vibration to be along three mutually perpendicular axes. shock the subject power supplies will withstand the following imposed conditions without experiencing non-re coverable failure or deviation from specified output characteristics. storage: -40g, 11msec. half-sine wave pulse in both directions on three mutually perpendicular axes. operating: -10g, 11msec. half-sine wave pulse in both directions on three mutually perpendicular axes. cooling specifications the ps is cooled by a self-contained, 40mm, 12vdc
23 4.5 safety in addition to the ul csa and nemko safety requirements, the leakage current from ac to safety ground will not exceed 1ma-rms at 240vac, 50hz 4.6 electormagnetic compatibility line conducted emi the subject power supplies will meet fcc and vfg class b requirements. radiated emi the subject power supplies will meet fcc and cispr 22 requirements. 4.7 labeling label marking will be permanent, legi ble and complied with all agency requirements. model number label labels will be affixed to the sides of the power supply showing the following: manufacturer?s name and logo model no., serial no., revision level, location of manufacturer the total power output and the maximum load for each output ac input rating dc output identification each output connector will be labeled. 4.8 reliability mtbf the power supply have a minimum predicted mtbf of 100,000 hours of continuous operation at 25 deg. c, maximum-output load, and nominal ac input voltage.
24 4.9 safety requirements safety the subject power designed to meet the following safety regulations. nemko tuv or vde ul 1950 csa 22.2 level 3 ce 4.10 dimensions

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