Corporation Personal Computer User Manual

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Pegasus Fast Start Guide 7460572 Rev A Page 10 of 12

POWERINGONPEGASUS

Follow these stepstopower onandverify the functionality of the PegasusSBC.This process assumes

youhaveaPegasusSBCandcablekit.

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1. ConnectaVGAmonitortotheSBC.AttachtheVGAcable,6981084,totheVGAconnectoronthe

SBCandconnectyourmonitorVGAcabletotheDB9socket.

2. ConnectakeyboardandmousetotheSBC.AttachthePS/2Keyboard/Mousecable,6981162,to

thePS/2connectorontheSBCandconnectyourkeyboardandmousedevicestotheconnectors

ontheotherendofthecable.

3. (OptionalforUSBKeyboard/Mouse)IfyouareusingaUSBkeyboardandmouse,attachtheUSB

cable,6981171,totheUSB0‐1connectorontheSBCandconnectyourkeyboardandmouse

devicestotheconnectorsontheotherendofthecable.

4. ConnectanexternalIDEharddriveorCDdevicetotheSBC.AttachtheIDEribboncable,

6981004,totheIDE/FlashdiskconnectorontheSBCandconnectyourIDEdevicetothe

connectorontheotherendofthecable.Note:youmustprovideanexternalsourceofpower

foryourIDEdevice.

5. (OptionalforUSBstoragedevice)IfyouareusingaUSBstoragedevice,attachtheUSBcable,

6981171,totheUSB0‐1(USB2‐3ifusingaUSBkeyboardandmouse)connectorontheSBCand

connectyourexternalstoragedevicetotheUSB0(USB2ifusingaUSBkeyboardandmouse)

connectorontheotherendofthecable.

6. ConnecttheSBCtopower.AttachthePowerIncable,6981175,tothePowerInconnectoron

theSBC.Ensureyour+5Vpowersourceisoff.Connectyour+5Vpowersourcetotheotherend

ofthecable.

7. Turnonthepowersource.

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The Pegasus BIOS screen should appear and then the SBC should begin booting from the external

storagedevice.

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BIOSCONFIGURATIONFORADD‐ONBOARDS

Whenyouplug PC/104boardsontoPegasus,theBIOSmayormay notrecognize thenewboard.Ifthe 

new board is not recognized, you may need to configure the new hardware in the BIOS before being

able to use it.You can configure the system’s IRQ/DMA resources from the BIOS’s PnP/PCI

Configurationsscreen.FollowingisatableoftheIRQsforthesystemperipheraldevices.

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IRQLevel Function

IRQ01 PC/ATEnhancedPS/2Keyboard

IRQ03 CommunicationsPort

IRQ04 CommunicationsPort

IRQ05 StandardEnhancedPCItoUSBHostController

IRQ05 StandardOpenHCDUSBHostController

IRQ06 StandardFloppyDiskController

IRQ10 AdvancedMicroDevicesWin2K/WinGraphicsDriver

IRQ10 GeodeLXAESCryptoDriver

IRQ11 RealtekRTL8139/810xFamilyFastEthernetNIC

IRQ12 MicrosoftPS/2Mouse

IRQ14 PrimaryIDEChannel

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