LTE 386s/20

Document Number: 107315-025, Volume 1
Publication Date: January 1996

System Board AssemblySpare Part
386SX-20 System001651
001653 		121161-001

Memory Cards Spare Part
1 MB Memory Card 121251-001
2 MB Memory Card 129937-001
4 MB Memory Card 121252-001
4 MB Memory Card 129947-001
8 MB Memory Card * 129938-001
* Installing two 8 MB Memory Cards requires a minimum ROM of 110691.

Video Boards * AssemblySpare Part
Video Graphs Controller Board ** *** 000806
001241
109360 		109253-001
Advanced Graphics 1024 *** 109958114201-001
Advanced Graphics Memory Board 109959114202-001
QVision 1024/I Controller *** 002163126655-001
* Used in Desktop Expansion Base only.
** Required for the Advanced Graphics Color Monitor to display both normal VGA and high resolution video (single-monitor configuration).
*** See Volume 2 Appendix, Multiproduct Boards, for settings.

Compaq SpeedPaq 144 Modem (Spare Part 199906-001)* **
CountryInternal DAA Spare Part External DAA Spare Part Telephone Cable Spare Part
U.S. and Canada199906-001 * 127844-002137256-001
* Includes both the engine and the DAA.
** Requires Enhanced Assembly Slot Adapter, spare part number 139625-001.

Compaq SpeedPaq 144 Modem
Modem Engine Assembly 002449-001 (Spare Part 199906-001)*
CountryInternal DAA Assembly Internal DAA Spare Part External DAA Spare Part Telephone Cable Spare Part
Germany135698-041 141961-001127844-042 127944-001
United Kingdom135698-031 141960-001127844-032 135715-001
Netherlands135725-331 135748-001127844-332 127941-001
Australia135725-011 135749-001127844-012 126750-001
Finland135725-351 199907-001127844-352 127943-001
* Except U.S. and Canada.

Hard Drives
SizeType Interleave IntegratedMinimum ROM Spare Part
30 MB59 1:1 Y073090 Not Available1

121245-0012

60 MB60 1:1 Y073090 121244-001 1

129984-001 2

84 MB27 1:1 Y020891 139390-001
1 Except Europe.
2Europe only.

Hard Drives for Expansion Base (Option Number 133600-001)
Drive Size Drive Type Interleave Integrated Minimum ROM Spare Part
84 MB27 1:1 Y020891 Not Available1

112438-001 2

120 MB50 1:1 Y020891 136918-001 1

116806-001 2

210 MB51 1:1 Y020891 124013-001 1
161956-0012,3
162096-0012,4
1Except Europe.
2 Europe only.
3 IDA, IDA2.
4 IDE.

Tape Drives Spare PartTape Cartridge Spare Part
40/60 MB * (1/2 Height) 112524-00140 MB (DC2000)
60 MB (DC2060) 		108142-001
122086-001
60 MB * (1/3Height) 131338-00160 MB (DC2060) 122086-001
80/120 MB * (1/3Height) 131337-00180 MB (DC2080)
120 MB (DC2120) 		116966-001
116967-001
80/120 MB * (1/2 Height) 122087-00180 MB (DC2080)
120 MB (DC2120) 		116966-001
116967-001
120/250 MB * ** (1/2 Height) 197490-001120 MB (DC2120) 116967-001
* Used in Desktop Expansion Base or External Storage Module.
** Used in Desktop Expansion Base.

Diskette Drives Spare Part
360 KB *112567-001
1.2 MB *112566-001
1.44 MB117120-001
1.44 MB *112565-001
* Used in Desktop Expansion Base or External Storage Module.

Miscellaneous Internal AssemblySpare Part
Power Controller Module 001586 121246-001
Backlight Inverter 121148121237-001
Enhanced 2400 Baud Internal Modem * 001732-002121250-001 *
Enhanced 9600 bps Internal Modem ** 002160-002129939-001
Second Serial Board 121119-002121240-001
Display Panel 121418-001
* Refer to Appendix E for country-specific Modem Assembly/Spare Part number information.
** Available only in North America.

Miscellaneous External Option Part Spare Part
External Numeric Keypad 117092-001 (English) 117092-003 (French) 117263-001
117259-001
AC Adapter121288-001 121236-001
Automobile Adapter 121120-001121422-001
External Battery Charger 121126-001121421-001
Battery Pack121121-001 121248-001
Desktop Expansion Base 124200-001N/A
Desktop Expansion Base 133600-001N/A
CD-ROM Adapter124350-001 121467-001
External Options Adapter 124900-001126752-001
External Options Adapter 124910-001--

CablesUsed With Spare Part
Diskette CableDiskette Drive 121238-001
Hard Drive LED Cable Hard Drive121420-001
Video CableInternal Display 121242-001
VGA Pass-Through Cable Advanced Graphics 114229-001
Adapter CableExternal Storage Module
110281-001 and 110281-002 		125606-001

JUMPER SETTINGS

External Storage Module
J1 Settings Function
F (Disk)Enables diskette drive
T (Tape)Enables tape drive

Desktop Expansion Base (Bus Interface Board, Assembly 001759)
J7/J8 Settings Function
J7 1 - 2 J8 2 - 3 No drives installed *
J7 2 - 3 J8 1 - 2 Diskette drive only
J7 1 - 2 J8 1 - 2 Tape drive only
J7 2 - 3 J8 2 - 3 Diskette and tape drives
*Default.

Desktop Expansion Base
Backplane Board (002196)
SwitchSetting Function
SW1-1ON Enable Hard Drive
SW1-1OFF Disable Hard Drive
SW1-2ON Select Hard Drive IRQ11
SW1-2OFF Select Hard Drive IRQ15
SW1-3ON External device installed on diskette-type interface
SW1-3OFF No external diskette/tape drive installed
SW1-4ON Enable A/B switch
SW1-4OFF Disable A/B switch

Processor/Coprocessor Location
Processor (386SX-20) U17
Coprocessor (387SX-20) * U14
Coprocessor (387SL-20) U14
* Replaced by 387-SL (Spare Part Number 139344-001).

System ROM Location
U19

System ROM Revision (Spare Part 121253-001)
RevisionNumber on ROM
073090123854-002
082790 123854-003
020891123854-004
110691123854-005

Power Supply/Battery Spare Part
Power Supply121246-001
Clock/Battery117099-001

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Revised: 06 September 1996