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CONFIG.SYS - BASEDEV Statements

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The Base Device Drivers are needed by OS/2 to install elementary services, like your hard disk, keyboard, etc. The Base Device Drivers are the first entries from the config.sys file that are loaded during the boot. They are not loaded in the same order as they appear in the config.sys file. They are loaded dependant on their file extension.

Here is the order of loading for the file extensions.

  1. *.SYS
  2. *.BID
  3. *.VSD
  4. *.TSD
  5. *.ADD - Adapter Device Driver
  6. *.I13
  7. *.FLT - Filter
  8. *.DMD - Device Manager

If the CONFIG.SYS contains several files with the same extension, those files will be loaded in the order they appear in the CONFIG.SYS file.

The Base Device drivers must be located in the root directory in the \OS2 directory or in the \OS2\BOOT directory. If you set up a Base Device driver in your CONFIG.SYS please use only the name of the driver without the path. The following pages describe these entries:

Device Driver

Ressource Management

Debugging

Socket Services

Host Bus Adapters

AHCI

ATA, IDE

SCSI

PC Card

ARCDRIVE.ADD

Arcdrive PCMCIA HD Driver 

BASEDEV=ARCDRIVE.ADD
Platform Support:
OS/2 2.x OS/2 3.0 OS/2 4.0 OS/2 4.5x
Yes Yes Yes Yes

AUTODRV2.SYS

Auto-Configurator supports PCMCIA modems. 

BASEDEV=AUTODRV2.SYS
Platform Support:
OS/2 2.x OS/2 3.0 OS/2 4.0 OS/2 4.5x
Yes Yes Yes Yes

BPCDOS2.ADD

Backpack CD-ROM OS/2 Driver from Micro Solutions (www.micro-solutions.com) 

BASEDEV=BPCDOS2.ADD
Platform Support:
OS/2 2.x OS/2 3.0 OS/2 4.0 OS/2 4.5x
Yes Yes Yes Yes

Applications

CAD Manager

CDS BackAgain

Back Again 2000
Back Again/2

Kaspersky Antivirus

I2O

Unsorted

IBMDSS02.SYS

IBM Thinkpad 720 Socket services 

BASEDEV=IBMDSS02.SYS

ATTENTION Must be in front of all other PCMCIA Drivers, but after PCMCIA.SYS.

Platform Support:

OS/2 2.x OS/2 3.0 OS/2 4.0 OS/2 4.5x
Yes Yes Yes Yes

KME40S2.ADD

Panasonic Quad Speed PCMCIA CD-ROM Player KXL-D740 Adapter driver for the Interface Card. 

BASEDEV=KME40S2.ADD

Platform Support:

OS/2 2.x OS/2 3.0 OS/2 4.0 OS/2 4.5x
Yes Yes Yes Yes

KME40S2.SYS

Panasonic Quad Speed PCMCIA CD-ROM Player KXL-D740. Enabler for the Interface Card. 

BASEDEV=KME40S2.SYS <parameter>

NOTE: This file is located after the PCMCIA.SYS and the IBM2SS01.SYS in the CONFIG.SYS.

Parameter:

  • /nobeep

Setting this option turn off the beep sound that is generated when inserting or removing the PC card.

  • /v

Verbose

Platform Support:

OS/2 2.x OS/2 3.0 OS/2 4.0 OS/2 4.5x
Yes Yes Yes Yes

CD-ROM Interfaces

MKECR56X.ADD

Panasonic 2x proprietary (IDE) interface CD-ROM Driver. Supports multiple CD drives. 

BASEDEV=MKECR56X.ADD <parameter>

Parameter:

  • /P:

specifies the IO address as specified by jumper on the card.

NOTE: The driver is broken by and will trap the system on bootup of Warp 4 if a fixpack higher than 9 is installed.

Platform Support:
OS/2 2.x OS/2 3.0 OS/2 4.0 OS/2 4.5x
Yes Yes Yes Yes

Network

NFDASD.FLT

Network File System base driver. Only needed if NFS or Netfinity is installed. 

BASEDEV=NFDASD.FLT
Platform Support:
OS/2 2.x OS/2 3.0 OS/2 4.0 OS/2 4.5x
Yes Yes Yes Yes

Security

NVCHOOK.SYS

Norman Antivirus Driver. 

BASEDEV=NVCHOOK.SYS
Platform Support:
OS/2 2.x OS/2 3.0 OS/2 4.0 OS/2 4.5x
Yes Yes Yes Yes

Parallel Port Devices

ONSCSI10.ADD

OnSpec/MULTIPORT SimpleSCSI CD-ROM Parallel Port Device driver http://www.multiport.de/Home_Deutsch/home_deutsch.html 

BASEDEV=ONSCSI10.ADD
Platform Support:
OS/2 2.x OS/2 3.0 OS/2 4.0 OS/2 4.5x
Yes Yes Yes Yes

PRINT02.SYS

Provides support for your parallel ports LPT1, LPT2 and LPT3 on PCs with Micro Channel buses. 

BASEDEV=PRINT02.SYS parameter

Parameter:

  • /IRQ

This parameter change the transmission method from polling to interrupt. The interrupt method is faster but won't work on every system.

note: This driver supports also the DMA method, which is used by default when your PC supports it.

Platform Support:
OS/2 2.x OS/2 3.0 OS/2 4.0 OS/2 4.5x
Yes Yes Yes Yes

SHOWIDT.SYS

Interrupt Monitor device driver. 

BASEDEV=SHOWIDT.SYS
Platform Support:
OS/2 2.x OS/2 3.0 OS/2 4.0 OS/2 4.5x
Yes Yes Yes Yes

SHOWIRQ.SYS

Driver for the program PMIRQ a interrupt Monitor included in ISDN-PM 3.0. Useful for PCMCIA-Cards 

BASEDEV=SHOWIRQ.SYS

Platform Support:

OS/2 2.x OS/2 3.0 OS/2 4.0 OS/2 4.5x
Yes Yes Yes Yes

USB

CWUSB

DSP

VHDO0437.SYS

DSP Driver for the MWAVE Modem for IBM Thinkpads 

BASEDEV=VHDO0437.SYS <parameter>

Parameter:

  • BUS=1150000

Platform Support:

OS/2 2.x OS/2 3.0 OS/2 4.0 OS/2 4.5x
Yes Yes Yes Yes


Filters

ARCIDECD.FLT

Arcdrive PCMCIA CD Driver 

BASEDEV=ARCIDECD.FLT
Platform Support:
OS/2 2.x OS/2 3.0 OS/2 4.0 OS/2 4.5x
Yes Yes Yes Yes

BTSEIDE.FLT

Back Again/2 ATAPI/IDE tape support 

BASEDEV=BTSEIDE.FLT
Platform Support:
OS/2 2.x OS/2 3.0 OS/2 4.0 OS/2 4.5x
Yes Yes Yes Yes

CD_BOOT.FLT

CD Boot Filter according to the El Torito Specification 

BASEDEV=CD_BOOT.FLT

Parameter:

  • /D:2

Read the Boot CD How To in Chapter 00. Introduction Part of Cdboot.zip available for free and also of Device Driver Pack 2

TIP See also the enhanced DANIBOOT.FLT

CDBOOT.FLT

OS/2 Filter for bootable CDs according to the El Torito Specification 

BASEDEV=CDBOOT.FLT

Parameter:

  • /D:2

Device Manager

AMD_K86.DMD

Enables write combining on AMD K6-II Stepping 8 or greater 

BASEDEV=AMD_K86.DMD
Platform Support:
OS/2 2.x OS/2 3.0 OS/2 4.0 OS/2 4.5x
Yes Yes Yes Yes
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