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Entry updated Mar 2006
 DDFF ::: IBM ESDI Fixed Disk Controller

Adapter ID


Adapter ID
DDFF
Name
IBM ESDI Fixed Disk Controller
Class
STO ESDI
Origin
IBM

Synopsis

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Drivers

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Links

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ADF Adapter Description File

This ADF circulates under the copyright of IBM, NCR, Phoenix and Apricot. The NCR version @DDFF_N.ADF, see the last ADF below, illustrates that there are practically no any configuration differences.

Different versions of the IBM ADF are found on the IBM reference disks, the problematic item is the Adapter Memory Location. Whereas Models 50/60, 55/65 and 80-A16 Reference Disks enable at least the ROM, Model 70/80 Reference Disk v1.12 comments out the entire section contrasting Model 70/80 Reference Disk v1.06 (1988) which uses it without any limitations.

@DDFF.ADF, EPRM ADF-1, Models 50/60, 55/65, 80-A16

   Prompt "Adapter Memory Location"
      Choice "ROM Enabled"
        pos[1]=xxxxxxxxb exec

@DDFF_0.ADF, Model 70/80 Reference Disk v1.12

; commented out

;  Prompt "Adapter Memory Location"
;     Choice "ROM Enabled"
;       pos[1]=xxxxxxxxb exec

@DDFF_1.ADF, Model 70/80 Reference Disk v1.06 (1988, German retail)

   Prompt  "Adreábereich des Adapters"
     Choice "Segment C800"
       pos[1]=XXXX0010b
       mem 0c8000h-0cbfffh
     Choice "Segment CC00"
       pos[1]=XXXX0011b
       mem 0cc000h-0cffffh
     Choice "Segment D000"
       pos[1]=XXXX0100b
       mem 0d0000h-0d3fffh
     Choice "Segment D400"
       pos[1]=XXXX0101b
       mem 0d4000h-0d7fffh
     Choice "Segment D800"
       pos[1]=XXXX0110b
       mem 0d8000h-0dbfffh
     Choice "Segment DC00"
       pos[1]=XXXX0111b
       mem 0dc000h-0dffffh
     Choice  "ROM deaktiviert"
       pos[1]=XXXX1XXXb

If you experience problems with the version of the ADF you have chosen to use, you may try the other versions. Rename @DDFF_0.ADF or @DDFF_1.ADF or @DDFF_N.ADF to @DDFF.ADF prior to using it.

ADF Listings

@DDFF.ADF EPRM ADF-1 and Models 50/60, 55/65, 80-A16 Reference Disk


@DDFF_0.ADF Model 70/80 Reference Disk v1.12


@DDFF_1.ADF Model 70/80 Reference Disk v1.06 (1988, German retail)


@DDFF_N.ADF NCR Archives


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