IBM Document: Dell 02/97 Doc # MT00-014
Page 2 of 3
Copyright International Business Machines, 1997
Configuration Switches
Name Bit Function
A20GATE 0 controls protected mode
FLUSH_CACHE 1 directs the 82385 cache cntrlr
SLOWMODE 2 switches speed from 4.77-8MHz
COLORCRT 3 turns on primary display adap.
ENCOM1 4 turns on COM1
ENCOM2 5 turns on COM2
ENLPT1 6 turns on LPT1
Reserved 7 Reserved
I/O Address Map System Board
HEX Function
000-01F DMA controller 1, 82C206
020-03F Interrupt controller 1, 82C206
040-05F Programmable interval timer, 82C206
060-06F keyboard controller, 8742
070-07F RTC,NMI
080-09F DMA page register, 82C206
0A0-0BF Interrupt controller 2, 82C206
0A4, 0A5 Configuration register
0C0-0DF DMA controller 2, 82C206
0F0 80387 busy
0F1 80387 reset
0F8-0FF 80387 ports
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. Unlock the security key lock
2. Remove 3 screws on each side of the cover
3. Pull the cover towards the front of the system
Field Replaceable Units
Memory OEM Part IBM Part
1MB SIMM (4-256K) 20908 22H3466
4MB SIMM (4-1MB) 20510 22H2668
Memory Exp. Bd. 60549 68H3962
Diskette Drives OEM Part IBM Part
3.5 (5.25) w/o cable 42756 22H2673
5.25MB 26590 22H3146
5.25 360KB 40154 22H3452
Controller OEM Part IBM Part
IDE Dual Cntrlr 60548 49H3809
Dual HD/FD ESDI 16194 22H2857
SCSI Cntrlr 35837 22H2816
Dual 1003V-MM2 42059 48H2558
Dual HD/FD ESDI 1007 41531 48H2568
Dual WD 1003-WA2 ST506 40145 11F9145
ESDI 120MHz 15bps 42761 22H2865
FD ext 5.25 w/ cbl 41776 22H3697
MD ESDI Single 40427 22H3463
SCSI 63612 22H3579
Tape Drives OEM Part IBM Part
150/250MB int. cntrlr 42062 22H2737
TBU 40/120MB CMS cntrlr 19496 22H2555
150/250MB tape drive 14861 22H2735
150/250MB external 17392 22H2518
Adapter f/ 40MB int/ext 41650 22H2519
150/250 Wangtek 42757 22H2736
320/525MB int 14259 22H2738
4GB DAT int w/o cntrlr 19994 22H2739
2/4GB DAT int w/o cntrlr 16741 22H2808
4GB DAT ext w/o cntrlr 19992 22H3606
2/4GB DAT ext w/o cntrlr 16742 22H2809
Internal Hard Drive Size OEM Part IBM Part
Dell drive rails 62320 49H3925
90MB ESDI half height 41626 48H1905
150MB ESDI 40426 48H1934
330MB ESDI 5.25 42449 47H8330
650MB ESDI 5.25 42448 22H3012
20MB ST506 5.25 40194 11F9101
40MB CDC MFM 40300 48H1915
40MB IDE 3.5 18816 22H2677
40MB IDE 5.25 42069 47H3875
40MB 5.25 IDE 1:1 42425 48H1903
80MB IDE Conner 43200 68H2692
80MB IDE 5.25 19880 49H4942
100MB IDE 5.25 Quantum 19882 22H2685
100MB 5.25 IDE 42070 47H3863
120MB IDE 5.25 27547 22H2687
170MB IDE 5.25 27542 22H2689
190MB IDE Maxtor 43450 22H2692
230MB IDE 32814 22H2698
320MB IDE 30803 22H2700
320MB IDE 30666 48H7156
330MB IDE 29067 22H2710
500MB IDE 5.25 19539 22H2706
200MB SCSI 5.25 43122 22H2712
700MB SCSI 35512 22H2714
System Bds. OEM Part IBM Part
310 60512 22H3561
310 BIOS 1MB 60360 22H3562
310 BIOS 1MB 60366 49H3801
310R W/O BIOS/MEM 60626 22H3559
310R W/BIOS/1MB 62963 22H3563
310R W/BIOS/4MB 62964 68H4185
Video Boards OEM Part IBM Part
1024/256 color 43072 22H2726
1024/256 opt. card 43071 22H2726
1024/16 color card 43073 22H2552
ATI Ultra video board 17696 22H2798
Vantage Video Board 18692 22H3457
Number 9 GXI 30472 22H2729
VGA 16-bit sigma 63589 22H2730
Monographics CD 40385 68H2344
EGA w/ chip Video 7 40395 68H2356
VGA 8-bit Paradise 41638 22H2730
VGA 16-bit Paradise 41764 49H1416
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