ÓÆÄ-1001 ÂÁÓÉÃ ÄÁÔÁ
-------------------

 ÔHE FOLLOWING INFORMATION COMES FROM
THE ÃÂÍ PUBLICATION "ÄISK ÓYSTEM ÕSER
ÒEFERENCE ÇUIDE", ÃÂÍ PART NUMBER
320972-01.

 ×HAT THE ÓÆÄ APPEARS TO BE IS HALF OF
A ÃÂÍ 8250 DUAL DRIVE.  ÔHE 8250 IS
SOMEWHAT OF A "ÍONSTER ÍÓÄ-2". ÔHE 8250
STORES OVER 2 MEGABYTES ON TWO FIVE AND
A QUARTER INCH DISKETTES.


ÔÒÁÃËÓ - ÓÅÃÔÏÒÓ:

    ÔRACK #         ÎUMBER OF ÂLOCKS
    --------------------------------
               ÓIDE Á
    --------------------------------
     1-39                  29
     40-53                 27
     54-64                 25
     65-77                 23
    --------------------------------
               ÓIDE Â
    --------------------------------
    78-116                 29
    117-130                27
    131-141                25
    142-154                23

ÂÁÍ ÆÏÒÍÁÔ: (ÂLOCK ÁLLOCATION ÍAP)

  ÂYTE   ÄATA    ÄESCRIPTION
  --------------------------------------
  0-1    38-03   ÔRACK,ÓECTOR OF SECOND
                 ÂÁÍ BLOCK

  2         67   ÄOS 2.7 IDENTIFIER

  3         00   RESERVED FOR FUTURE
                 USE

  4         01   ÌOWEST TRACK# MAPPED
                 IN THIS ÂÁÍ BLOCK

  5         51   ÈIGHEST TRACK#(+1)
                 MAPPED IN THIS ÂAM
                 ÂLOCK

  6-255          ÂIT MAP OF A FOR
                 BLOCKS ON TRACKS 1-50

ÂÁÍ ÆÏÒÍÁÔ: (ÂLOCK ÁLLOCATION ÍAP)

  ÂYTE   ÄATA    ÄESCRIPTION
  --------------------------------------
  0-1    38-06   ÔRACK,ÓECTOR OF THIRD
                 ÂÁÍ BLOCK

  2         67   ÄOS 2.7 IDENTIFIER

  3         00   RESERVED FOR FUTURE
                 USE

  4         51   ÌOWEST TRACK# MAPPED
                 IN THIS ÂÁÍ BLOCK

  5        101   ÈIGHEST TRACK#(+1)
                 MAPPED IN THIS ÂAM
                 ÂLOCK

  6-255          ÂIT MAP OF A FOR BLOCKS
                 ON TRACKS 51-100

ÂÁÍ ÆÏÒÍÁÔ: (ÂLOCK ÁLLOCATION ÍAP)

  ÂYTE   ÄATA    ÄESCRIPTION
  --------------------------------------
  0-1    38-09   ÔRACK,ÓECTOR OF FOURTH
                 ÂÁÍ BLOCK

  2         67   ÄOS 2.7 IDENTIFIER

  3         00   RESERVED FOR FUTURE
                 USE

  4        101   ÌOWEST TRACK# MAPPED
                 IN THIS ÂÁÍ BLOCK

  5        151   ÈIGHEST TRACK#(+1)
                 MAPPED IN THIS ÂAM
                 ÂLOCK

  6-255          ÂIT MAP OF A FOR BLOCKS
                 ON TRACKS 101-150

ÂÁÍ ÆÏÒÍÁÔ: (ÂLOCK ÁLLOCATION ÍAP)

  ÂYTE   ÄATA    ÄESCRIPTION
  --------------------------------------
  0-1    38-01   ÔRACK,ÓECTOR OF FIRST
                 ÂÁÍ BLOCK

  2         67   ÄOS 2.7 IDENTIFIER

  3         00   RESERVED FOR FUTURE
                 USE

  4        151   ÌOWEST TRACK# MAPPED
                 IN THIS ÂÁÍ BLOCK

  5        155   ÈIGHEST TRACK#(+1)
                 MAPPED IN THIS ÂAM
                 ÂLOCK

  6-25           ÂIT MAP OF A FOR BLOCKS
                 ON TRACKS 151-154

  26-255    00   ÎOT USED

ÄÉÒÅÃÔÏÒÙ ÈÅÁÄÅÒ ÆÏÒÍÁÔ:

  ÔRACK 39 ÓECTOR 00
  --------------------------------------
  ÂYTE   ÄATA    ÄESCRIPTION
  --------------------------------------
  0-1    38-00   ÔRACK-ÓECTOR POINTER TO
                 FIRST ÂÁÍ BLOCK

  2      67      ÄOS 2.7 IDENTIFIER

  3      00      RESERVED FOR FUTURE

  4-5            NOT USED

  6-21           ÄISKETTE NAME PADDED
                 WITH SHIFTED SPACES

  22-23  160     ÓHIFTED SPACES

  24-25          ÄISKETTE ÉÄ

  26     160     ÓHIFTED SPACE

  27-28  50,67   ÁÓÃÉÉ "2C" IDENTIFIES
                 ÄÏÓ VERSION AND FORMAT

  29-32          ÓHIFTED SPACES

  33-255         NOT USED


ÄÉÒÅÃÔÏÒÙ ÂÌÏÃË ÆÏÒÍÁÔ

  ÔRACK 39 ÓECTORS 01-29
  --------------------------------------
  ÂYTE   ÄATA    ÄESCRIPTION
  --------------------------------------
  0-1            ÔRACK-ÓECTOR POINTER TO
                 NEXT DIRECTORY BLOCK

  2              ÆILE ÔYPE

  3-4            ÔRACK-ÓECTOR POINTER TO
                 FIRST FILE BLOCK

  5-20           ÆILE NAME, PADDED WITH
                 SHIFTED SPACES

  21-22          ÔRACK-ÓECTOR POINTER OF
                 FIRST SIDE SECTOR IF A
                 ÒELATIVE ÆILE

  23             ÒECORD LENGTH IF FILE
                 IS A ÒELATIVE ÆILE

  24-27          RESERVED FOR FUTURE USE

  28-29          ÎUMBER OF BLOCKS USED
                 BY FILE

  30-31          ?

  32-255         ÓEVEN MORE 32 BYTE FILE
                 ENTERIES, SAME AS 0-31,
                 EXCEPT THE FIRST TWO BY
                 BYTES  OF EACH ENTRY
                 ARE UNUSED
                 NOT USED


 ÔHE ÓÆÄ-1001 AND THE ÃÂÍ 8250 BOTH
OPERATE UNDER ÄOS 2.7

 ÐLEASE NOTE THAT THE ÓÆÄ'S ÂÁÍ BEGINS
ON TRACK 38 AND IT'S ÄÉÒÅÃÔÏÒÙ ON TRACK
39 SECTOR 1. ×HERE AS THE 1541 STORES
BOTH THE ÂÁÍ AND ÄÉÒÅÃÔÏÒÙ ON TRACK 18.

 É HOPE THIS IS OF USE TO SOME OWNERS
OF THE ÓÆÄ-1001 DRIVE..ÊAMES ÍCÅLHINEY
              ((ÊÉÍ.ÍÁÃ))