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WD 10002S-WX2 8 TABLE CUSTOM BIOS
FOR THE TANDY 1000 (T1K)
The custom BIOS ROM in the WX2 HD controller board for the
TANDY 1000. This ROM now contains support for eight (8) drive
tables. At the (COMPANYS ? ) request parameters for only six (6)
drives were included in the BIOS. The last two (2) tables are
left blank. This is a guide to installing the board in the TANDY
1000 and set the jumpers for the desired drive type.
TBL CYL HDS RWC PRECOMP
0) 512 08 256 256
1) 306 04 128 128
2) 306 06 128 128
3) 612 02 612 612
4) 614 04 615 615
5) 971 05 971 971
6) --- -- --- ---
7) --- -- --- ---
SWITCH SETTING
DRIVE 0 DRIVE 1
TBL 7 1 2 | 8 3 4
0) OFF ON ON OFF ON ON
1) OFF ON OFF OFF ON OFF
2) OFF OFF ON OFF OFF ON
3) OFF OFF OFF OFF OFF OFF
4) ON ON ON ON ON ON
5) ON ON OFF ON ON OFF
6) ON OFF ON ON OFF ON
7) ON OFF OFF ON OFF OFF
OFF = UNJUMPERED
ON = JUMPERED
The etch at W7 position 1 to 2 on the solder side of the board
must be cut and a jumper installed on W7 2 to 3. This is to
connect IRQ-2. A jumper must also be installed on SW1 position 5
to enable IRQ-2.
To hard sector format a drive with this controller gointo
Debug and at the prompt type G=C800:5 and when asked inter the
peramoters for CYL - HDS - RWC - PRECOMP. When finished you
will see FORMAT SUCCESSFUL. Press CTRL, ALT, DEL to preform a
" warm boot ". Run fdisk to partiton your hard disk, then at
the A> type FORMAT C:/S/V this command formats your hard disk
and copies the DOS internal files & COMMAND.COM file onto it.
When format is complet type copy A:*.* to copy all the other
files from your DOS disk to the hard disk. GOOD LUCK !!!