Dell OptiPlex 486, OptiPlex 486/SL, OptiPlex 486/LE, OptiPlex 486/L, OptiPlex 486/M Specifications

Dell OptiPlex 486/SL, LE, L, M, ME, MXE

Specifications

Processor

• • Intel 486SX/25, 486DX/33, 486DX2/50, 486DX2/66MHz

Memory

• • 4MB standard, expands to 64MB

I/O Expansion Slots

• 4xx/L(v), 4xxsL(v): 3- full length 16-bit ISA, 1- VESA,

• 4xx/MXE: 5-full length 16-bit ISA slots

Diskette Drive

• • 1.44MB diskette drive

Integrated Features

• • Parallel, 2-serial, keyboard, VGA

Internal Expansion Bays

• 4xx/L(v), 4xxsL(v): 2-user accessible, 1-internal bays

• • 4xx/MXE: 3- user accessible bays, 2 internal

I/O Architecture

• • ISA

Power Supply

• • 150 Watts

Diagnostics

• Normal Post Diags performed on Power UP of system.

• Dell system support diskette

• • Troubleshoot according to errors found during test

CMOS Access

• QAPlus/FE

Tools and Software Requirements

• Flat bladed screwdriver

• Needle nose pliers

• Anti-static wrist strap

• • Diagnostics and formatted blank diskettes

DellDell

OptiPlex 486/SL ,LE , L, M, ME,MXEOptiPlex 486/SL ,LE , L, M, ME,MXE

System Board -- Jumper Settings

Jumper Setting Function

25MHz External prcrssr is 25MHz
30MHz Reserved
33MHz Ext. microprcssr is 33MHz
40MHz Reserved
SPARE Reserved
VGA jumpered * Turns on built-in VGA

unjumped Turns off built-in VGA
FEATR Reserved
IOADDR jumpered* I/O address is 26Eh-26Fh

unjumped I/O address is 398h-399h
PSWD jumpered* Password on

unjumped Password off
UPGR jumpered Microprcssr installed

unjumped Microprcssr in PQFP sckt.
BIOS jumpered * Flash BIOS updated by disk

unjumped Flash BIOS can’t update
BOOT Reserved
CRDBIOS Reserved
PS/2_MSE jumpered * PS/2 mouse port IRQ12 on

unjumped PS/2 mouse port is off
IDE_IO Reserved
VL1 jumpered VESA riser card not installed

unjumped VESA riser card installed
VL2 jumpered VESA riser card not installed

unjumped VESA riser card installed
VL_0WS unjumped Reserved(on riser card)
* Default

Removal Procedures

Before beginning removal complete the following steps.

1. Turn off the computer and any peripheral devices.

2. Disconnect AC power cord from the outlet and

system

3. Disconnect all peripheral devices from the

computer

System Cover

How to remove the cover:

1. Unscrew 2 thumbscrews on back panel of CPU

2. Unscrew 3 thumbscrews on back w/ 486MXE model

3. Slide cover forward and lift up off of chassis

Field Replaceable Units

Memory OEM Part IBM Part

4MB SIMM 38393 22H2932
8MB SIMM 31520 22H2933
1MB X 32 35234 22H2934
8MB SIMM 38394 22H2935
4MB X 32 35236 22H2936
16MB SIMM 31522 22H2939
32MB SIMM 41227 22H3195

IBM Document: Dell 02/97 Doc # MT00-020
Page 1 of 2  Copyright International Business Machines, 1997

All rights reserved

Field Replaceable Units (Continued)

Controller OEM Part IBM Part

SCSI PIO 26708 22H2916
CTL,D,S,16B,CC,486/L 31556 22H2912
CTL,TB,150M,WANGTEK 42062 22H2520
SCSI CTLR,SM,CHASS 14028 22H2917

Internal Hard Drive Size OEM Part IBM Part

500MB 19539 22H2706
500MB 22489 22H2707
230MB 25483 22H2880
230MB SCSI 26990 22H2771
170MB 28312 22H2921
80MB 28880 22H2922
120MB 28881 22H2923
1GB 29074 22H2775
80MB IDE 29308 22H2776
320MB 30665 22H2778
80MB IDE,486/L 31470 22H2924
120MB IDE 31472 22H2925
230MB IDE 31476 22H2926
230MB SCSI 31478 22H2927
320MB IDE 31480 22H2928
700MB 35511 22H2929
700MB SCSI 35783 22H2889
340MB 68026 22H3176
540MB 78285 22H3178
1GB IDE 65265 22H3316
200MB 17497 22H2762
50MB 17694 22H2763
170MB 27543 22H2772
330MB 28882 22H3148
120MB 36392 22H3149
230MB 37442 22H2695
700MB 38690 22H3120
340MB IDE 43138 22H3150

1.6GB 43537 22H3151
2GB 46588 22H3152

Miscellaneous OEM Part IBM Part

150W PWR SUPPLY (433SL/L) 35220 22H3154
PWR SUPPLY (433L) 41359 22H3154
PWR SUPPLY (433L) 48097 22H3155
150W PWR SUPPLY 31739 22H2945
145W PWR SUPPLY (433LE) 74510 22H3192
224W PWR SUPPLY(433LE) 74511 22H3193

Diskette Drives OEM Part IBM Part

2.88MB 32714 22H2918

2.88MB 32717 22H2919

1.44MB 42756 22H2673

1.44MB 61663 22H2674

1.2MB 38074 22H2920

1.44/1.2MB COMBO 69593 22H2754

Processors Upg. OEM Part IBM Part

486DX4/100 06306 37H8590

System Bds. OEM Part IBM Part

425/SL 41352 22H3158
433/SL 41353 22H3159
433/L/MX 41354 22H3160
450/L/MX 41355 22H3161
466/L/MX 41356 22H3162
425/SL/MX 74698 22H3164
433/SL/MX 74699 22H3165
433/L/MX 74700 22H3166
450/L/MX 74701 22H3167
466/L/MX 74702 22H3168
SYSTEM BOARD 4100 (433/L) 73067 37H8589
425S/ME 73110 22H3220
433S/ME 73111 2253221
433/LE/MXE/MTE 68347 22H3441
450/LE/MXE/MTE 68343 22H3442
466/LE/MXE/MTE 68349 22H3443
4100/LE/MXE/MTE 68350 22H3444
425/SL 35259 22H2955
433/SL/PQFP 37562 22H2956
433/SL 35260 22H2957
433/SL 48944 22H2958
433/L 35940 22H2959
433/L 49039 22H2960
433/L 38599 22H2961
450/L 35262 22H2962
476/SL 35264 22H2963
450/L 35942 22H2964
466/L 35263 22H2965

CD-ROM Drive OEM Part IBM Part

CD-ROM IDE 43629 22H3117
680MB CD KIT 19875 22H2717

Tape Drives OEM Part IBM Part

4GB DAT Int. 19994 22H2739
40/120MB Ext. 27458 22H2556
40/120MB 29826 22H3038
150/250MB tape drive 14861 22H2735
40/120MB Int. 19493 22H3142
2/4GB DAT 16741 22H2808
525MB 28860 68H1326

IBM Document: Dell 02/97 Doc # MT00-020
Page 2 of 2  Copyright International Business Machines, 1997

All rights reserved