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    ?????????????????????????????????????????????????????????????????????????
    ?  Western Digital Corp.                             WD1006V-SR1,SR2    ?
    ?????????????????????????????????????????????????????????????????????????
    ?                                                                       ?
    ?                   J6      J3     J4      J5       J1(SR2)             ?
    ?  J1: Floppy     ???????????????????????????????????????????????       ?
    ?  J5: HD Control ?....    1::::  1::::  1::::::  1::::::   ??          ?
    ?  J4: HD0 Data   ?                                         ??          ?
    ?  J3: HD1 Data   ?                :::W1         ..W2       ??          ?
    ?  J6: HD LED     ?                              ..W3       ??          ?
    ?                 ?                              ..W4       ??          ?
    ?                 ?                                         ??          ?
    ?                 ?                              ..W5  :W6  ??          ?
    ?                 ??????????????????       ??            ?????          ?
    ?                                  ???????????????????????   ?          ?
    ?  INTERFACE:  ISA(AT)->ST412(RLL)                                      ?
    ?  CONTROLS:   2 Floppy Drives (SR2 only) (360KB, 720KB, 1.2MB, 1.44MB) ?
    ?              2 Hard Drives                                            ?
    ?                                                                       ?
    ?                                                                       ?
    ?  W1: 1-2: Hard Disk Mode:  Latched Mode: OFF                          ?
    ?                            Non-Latched Mode: ON                       ?
    ?                                                                       ?
    ?      3-4: Error Correction Code: *4-Byte ECC  OFF                     ?
    ?                                   7-Byte ECC: ON                      ?
    ?                                                                       ?
    ?      5-6: Onboard Cache:  Cache Enabled: OFF                          ?
    ?                           Cache Disabled: ON                          ?
    ?                                                                       ?
    ?  W2: Onboard BIOS:  BIOS Enabled: OFF                                 ?
    ?                     BIOS Disabled: ON                                 ?
    ?                                                                       ?
    ?  W3: Hard Drive I/O Address: *Primary Address: OFF                    ?
    ?                               Secondary Address: ON                   ?
    ?                                                                       ?
    ?  W4: Floppy Drive I/O Address: *Primary Address: OFF                  ?
    ?                                 Secondary Address: ON                 ?
    ?                                                                       ?
    ?  W5: Dual Speed Floppy Support:  Single Speed Drives: OFF             ?
    ?                                  Dual Speed Drives: ON    (note 1)    ?
    ?                                                                       ?
    ?  W6: Ground Connection:  Bracket not connected to Board Ground: OFF   ?
    ?                          Bracket connected to Board Ground: ON        ?
    ?                                                                       ?
    ?  (note 1) DO NOT mix single & dual speed drives in the same system.   ?
    ?                                                                       ?
    ?  (* defaults)                                                         ?
    ?????????????????????????? ADDITIONAL INFO ??????????????????????????????
    ?                                                                       ?
    ?  Low Level Format can be done on boards that have their BIOS enabled  ?
    ?  by utilizing the DOS DEBUG command g=cc00:5.                         ?
    ?                                                                       ?
    ?  It is recommended that a Format be accomplished when changing from a ?
    ?  WD1003-XXX controller to the WD1006V type controller.                ?
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