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Entry updated Mar 2006
 DF9F ::: IBM Integrated Fixed Disk and Controller

Adapter ID


Adapter ID
DF9F
Name
IBM Integrated Fixed Disk and Controller
Class
STO DASD
Origin
IBM

Synopsis

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Drivers

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Links

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ADF Adapter Description File

Three versions of the ADF are listed, exposing certain differences. The ADF versions have been obtained from the EPRM collection and Model 70/80 Reference Disk, versions 1.12 and 1.06. If you experience problems with the ADF version you have chosen to use, you may try the other two ADFs. Rename @DF9F_0.ADF or @DF9F_1.ADF to @DF9F.ADF prior to using it.

@DF9F_1.ADF, supplied with the Model 70/80 Reference Disk V1.06 (1988, German retail version) does not contain the DMA Pacing Control and Time to Release settings. The primary port address is assigned with a fixed resource setting and the bit-3 setting of pos[1] is not found in the later ADF versions:

@DF9F_1.ADF, Mod. 70/80 Reference Disk V1.06 (1988)

   FixedResources
      pos[1]=00XX1XXXb
      pos[0]=XXXXXX0Xb
      io 3510h-3517h
      int 0eh

The ADF featured in the EPRM ADF-1 Collection (EPRADF1.INF) differs from the ADF supplied with the Model 70/80 Reference Disk V1.12, and also found in the EPRM ADF-0 Collection (EPRADF0.INF), in the bit patterns of the DMA Pacing Control and Time to Release settings of pos[2]:

@DF9F.ADF, EPRM ADF-1 Collection

   Prompt  "DMA Pacing Control"
     Choice  vcheck  "Disabled"
       pos[2]=1XXXXXXXb
     Choice  vcheck  "Enabled"
       pos[2]=0XXXXXXXb

   Prompt  "Time to Release"
     Choice  vcheck  "6 Microseconds"
       pos[2]=X01XXXXXb
     Choice  vcheck  "3 Microseconds"
       pos[2]=X10XXXXXb
     Choice  vcheck  "Immediate"
       pos[2]=X00XXXXXb

@DF9F_0.ADF, Reference Disk V1.12 (1990), EPRM ADF-0 Collection

    Prompt  "DMA Pacing Control"
      Choice  vcheck  "Disabled"
        pos[2]=XXXXXXX1b
      Choice  vcheck  "Enabled"
        pos[2]=XXXXXXX0b

    Prompt  "Time to Release"
      Choice  vcheck  "6 Microseconds"
        pos[2]=XXXXX1XXb
      Choice  vcheck  "3 Microseconds"
        pos[2]=XXXXX01Xb
      Choice  vcheck  "Immediate"
        pos[2]=XXXXX00Xb

ADF Listings

@DF9F.ADF EPRM ADF-1 Collection.


@DF9F_0.ADF Reference Disk V1.12 (1990), EPRM ADF-0 Collection.


@DF9F_1.ADF Reference Disk V1.06 (1988), retail version.


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