Softpaq recommended 
by the AeroFAQ:


SP1645.EXE
SP1645.EXE
1011 K
30 May 96
Compaq PCMCIA Support for MS DOS/Windows
Version 3.14 Rev E The files included on this diskette enable the PCMCIA functionality for the LTE 5000 family within a Microsoft DOS/Windows 3.1x environment. SUPERSEDES: SP1473

Notes: Not available from the compaq ftp-server anymore for unknown reasons.

I installed the softpaq and I am very content with that tricky PC-Card Wizard. It detected my Anycom V34+ Modem Card correctly and configured it, although I never had installed a driver for it. Interesting also the option to start a special software when a special card is inserted. For details of the softpaq see picture above.

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Softpaq recommended 
by Compaq:


SP1045.EXE
ftp://ftp.compaq.com/pub/softpaq/sp1001-1500/SP1045.EXE
ftp://ftp.compaq.com/pub/softpaq/sp1001-1500/SP1045.txt
492KB
Filename: 144974-008
Title: Compaq PCMCIA software.
Version: 1.25
CATEGORY:  Programs and Drivers to support PCMCIA
EFFECTIVITY DATE: 11-18-94
PRODUCTS AFFECTED: Compaq Concerto, Contura and Elite (all are Portables).
OPERATING SYSTEM:  MS-DOS 5.0 or greater, Microsoft Windows 3.1
SYSTEM CONFIGURATION: As per OPERATING SYSTEMS, above.
SUPERCEDES:  SP0890.EXE


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Other Softpaqs:
Although perhaps newer, older or originally not intended for the Aero, you might want to try these softpaqs because of localizations, extra features or other purposes. 

I never tried out the following softpaqs.

SP1473.EXE
ftp://ftp.compaq.com/pub/softpaq/sp1001-1500/SP1473.EXE
ftp://ftp.compaq.com/pub/softpaq/sp1001-1500/SP1473.txt
0,99MB
Softpaq Solution:  SP1473
File Name:  P/N 213793-001
Title:  Compaq PCMCIA Support for LTE 5000 Family
Version:  3.14
CATEGORY:  Software Solutions / Laptop
EFFECTIVE DATE:  24 January 1996
PRODUCTS AFFECTED:  LTE 5000, LTE 5100, LTE 5200
OPERATING SYSTEM:  MS-DOS 5.0 or greater, Microsoft Windows 3.1


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SP1034.EXE
ftp://ftp.compaq.com/pub/softpaq/sp1001-1500/SP1034.EXE
ftp://ftp.compaq.com/pub/softpaq/sp1001-1500/SP1034.txt
220KB
File name:  MDMCFG.EXE
Part Number:  181640-001
Title:  PCMCIA Modem Enabler for DOS/Windows
Version:  1.01 Rev A
CATEGORY:  Software
EFFECTIVITY DATE:  23 November 1994
PRODUCTS AFFECTED: LTE Elite, Contura 400, Concerto
OPERATING SYSTEM:  DOS/Windows
DESCRIPTION: The program "MDMCFG.EXE" is a direct enabler for PCMCIA modems used in a DOS or Windows environment. It handles configuration of a modem in either PCMCIA slot of a Compaq portable computer, without requiring loading of any PCMCIA software other than Socket Services. Developed for use with Compaq PCMCIA modems, this enabler is also compatible with other PCMCIA 2.01-compliant modems. (Specific popular PCMCIA 2.0 modems are also supported, such as the Megahertz 14.4 Data/Fax modem with X-Jack.)


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SP0890.zip
ftp://ftp.compaq.com/pub/softpaq/sp0501-1000/SP0890.ZIP
434KB
File name:  144974EN._01
Title:  PCMCIA Driver Software for Laptops and Notebook
Version number:  1.24
CATEGORY:  Driver
EFFECTIVITY DATE:  8/22/94
PRODUCTS AFFECTED: Concerto, Contura Aero, LTE Elite
OPERATING SYSTEM:  MS-DOS 6
SYSTEM CONFIGURATION: Windows 3.1
DESCRIPTION:  This software release contains the PCMCIA driver software for
use with Compaq Concerto, Compaq Contura Aero, and Compaq LTE Elite.  This
release replaces all previous PCMCIA versions earlier than 1.24.
1) Fixed diskette boot problem for Contura Aeros
2) Selects the proper CSALLOC.
SUPERCEDES: SP0783, SP0800, SP0840


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SP0840.zip
ftp://ftp.compaq.com/pub/softpaq/sp0501-1000/SP0840.ZIP
434KB
PCMCIA
Version 1.24
English
for use with Compaq Concerto, Compaq Contura Aero, Compaq Elite
PROBLEMS ADDRESSED
This software release replaces all previous version earlier than 1.24
(Softpaq SP0783 - PCMCIA Ver 1.22, SP0800 - PCMCIA Ver 1.23)
1) Fixed floppy boot problem for Contura Aeros
2) Selects the proper CSALLOC.


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SP0800.zip
ftp://ftp.compaq.com/pub/softpaq/sp0501-1000/SP0800.ZIP
399KB
PCMCIA V1.23
PN: 144974-006
DRIVERS AND SUPPORT FOR PCMCIA PRODUCTS