Dell OptiPlex 486 Specifications

Contents

specifications

Dell OptiPlex 486 Specifications Manual pdf 1 page image

DellDellOptiPlex 486/SL ,LE , L, M, ME,MXEOptiPlex 486/SL ,LE , L, M, ME,MXEIBM Document: Dell 02/97 Doc # MT00-020Page 1 of 2  Copyright International Business Machines, 1997All rights reservedDell OptiPlex 486/SL, LE, L, M, ME, MXESpecificationsProcessor•• Intel 486SX/25, 486DX/33, 486DX2/50, 486DX2/66MHzMemory•• 4MB standard, expands to 64MBI/O Expansion Slots• 4xx/L(v), 4xxsL(v): 3- full length 16-bit ISA, 1- VESA,• 4xx/MXE: 5-full length 16-bit ISA slotsDiskette Drive•• 1.44MB diskette driveIntegrated Features•• Parallel, 2-serial, keyboard, VGAInternal Expansion Bays• 4xx/L(v), 4xxsL(v): 2-user accessible, 1-internal bays•• 4xx/MXE: 3- user accessible bays, 2 internalI/O Architecture•• ISAPower Supply•• 150 WattsDiagnostics• Normal Post Diags performed on Power UP of system.• Dell system support diskette•• Troubleshoot according to errors found during testCMOS Access• QAPlus/FETools and Software Requirements• Flat bladed screwdriver• Needle nose pliers• Anti-static wrist strap•• Diagnostics and formatted blank diskettesSystem Board -- Jumper SettingsJumper Setting Function25MHz External prcrssr is 25MHz30MHz Reserved33MHz Ext. microprcssr is 33MHz40MHz ReservedSPARE ReservedVGA jumpered * Turns on built-in VGAunjumped Turns off built-in VGAFEATR ReservedIOADDR jumpered* I/O address is 26Eh-26Fhunjumped I/O address is 398h-399hPSWD jumpered* Password onunjumped Password offUPGR jumpered Microprcssr installedunjumped Microprcssr in PQFP sckt.BIOS jumpered * Flash BIOS updated by diskunjumped Flash BIOS can’t updateBOOT ReservedCRDBIOS ReservedPS/2_MSE jumpered * PS/2 mouse port IRQ12 onunjumped PS/2 mouse port is offIDE_IO ReservedVL1 jumpered VESA riser card not installedunjumped VESA riser card installedVL2 jumpered VESA riser card not installedunjumped VESA riser card installedVL_0WS unjumped Reserved(on riser card)* DefaultRemoval ProceduresBefore beginning removal complete the following steps.1. Turn off the computer and any peripheral devices.2. Disconnect AC power cord from the outlet andsystem3. Disconnect all peripheral devices from thecomputerSystem CoverHow to remove the cover:1. Unscrew 2 thumbscrews on back panel of CPU2. Unscrew 3 thumbscrews on back w/ 486MXE model3. Slide cover forward and lift up off of chassisField Replaceable UnitsMemory OEM Part IBM Part4MB SIMM 38393 22H29328MB SIMM 31520 22H29331MB X 32 35234 22H29348MB SIMM 38394 22H29354MB X 32 35236 22H293616MB SIMM 31522 22H293932MB SIMM 41227 22H3195

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