TEXT View Source
# WESTERN DIGITAL CORPORATION
WD1006-WAH, WD1006S-WAH
Replaced by the WD1006V-MM1
+------------------------------------------------------------+
+------------------------------------------------------------+
Data bus: 16-bit, ISA
Size: WD1006S-WAH: Full-length, half-height card
WD1006-WAH: Half-length, full-height card
Hard drives supported: Two MFM ST506/412 drives
Floppy drives supported: None
Sector interleave: 1:1
Maximum heads/cyl.: 16 heads and 2048 cylinders
IMG IMG 1
The WD1006-WAH
IMG IMG 2
The WD1006S WAH
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Location |
|-------------------------------------------+----------------|
| 4-pin connector-drive active LED | J1 |
|-------------------------------------------+----------------|
| 20-pin data cable connector-drive 0 | J2 |
|-------------------------------------------+----------------|
| 20-pin data cable connector-drive 1 | J3 |
|-------------------------------------------+----------------|
| 34-pin control cable connector-hard drive | J4 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS-WD1006-WAH |
|------------------------------------------------------------|
| Function | Location | Setting |
|------------------------------------+----------+------------|
| | 16 head hard drive supported | W1 | pins 1 & 2 |
| | | | closed |
|---+--------------------------------+----------+------------|
| » | 8 head hard drive and RWC | W1 | pins 2 & 3 |
| | supported | | closed |
|---+--------------------------------+----------+------------|
| » | Hard drive port address is | W3 | pins 1 & 2 |
| | 1F0-1F7h | | closed |
|---+--------------------------------+----------+------------|
| | Hard drive port address is | W3 | pins 2 & 3 |
| | 170-177h | | closed |
|---+--------------------------------+----------+------------|
| | Drive LED is not latched, W10 | W4 | closed |
| | must be open | | |
|---+--------------------------------+----------+------------|
| | Reserved for WD1006-RAH | W5 to W8 | open |
|---+--------------------------------+----------+------------|
| | Enable caching | W9 | open |
|---+--------------------------------+----------+------------|
| | Disable caching | W9 | closed |
|---+--------------------------------+----------+------------|
| » | Non-latched mode | W10 | open |
|---+--------------------------------+----------+------------|
| | Latched mode | W10 | closed |
|---+--------------------------------+----------+------------|
| | Isolates mounting bracket from | W11 | open |
| | board | | |
|---+--------------------------------+----------+------------|
| | Connects bracket to board | W11 | closed |
| | ground | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS-WD1006S WAH |
|------------------------------------------------------------|
| Function | Location | Setting |
|------------------------------------+----------+------------|
| | Etch on solder side connects | W1 | closed |
| | pins 1 & 2. LED lights for | | |
| | drive selection. Remove W6 if | | |
| | W1 is installed. | | |
|---+--------------------------------+----------+------------|
| | Drive LED is latched | W1 | open |
|---+--------------------------------+----------+------------|
| » | 16 heads. No reduced write | W2 | pins 1 & 2 |
| | current | | closed |
|---+--------------------------------+----------+------------|
| | 8 heads. Reduced write current | W2 | pins 2 & 3 |
| | | | closed |
|---+--------------------------------+----------+------------|
| » | Enable caching | W3 | open |
|---+--------------------------------+----------+------------|
| | Disable caching | W3 | closed |
|---+--------------------------------+----------+------------|
| | Isolate mounting bracket from | W4 | open |
| | board | | |
|---+--------------------------------+----------+------------|
| | Connects mounting bracket to | W4 | closed |
| | board | | |
|---+--------------------------------+----------+------------|
| » | Hard drive address is 1F0-1F7h | W5 | pins 1 & 2 |
| | (hard wired) | | closed |
|---+--------------------------------+----------+------------|
| | Hard drive port address is | W5 | pins 2 & 3 |
| | 170-177h | | closed |
|---+--------------------------------+----------+------------|
| » | Non-latched mode | W6 | open |
|---+--------------------------------+----------+------------|
| | Latched mode | W6 | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| WAIT STATE JUMPER - WD1006-WAH |
| |
| (F002 ONLY, F001 DOES NOT SUPPORT WAIT STATES) |
|------------------------------------------------------------|
| State | W2/jumper 1 | W2/jumper 2 | W2/jumper 3 |
|------------------+-------------+-------------+-------------|
| Zero Wait State | closed | open | open |
| enabled | | | |
|------------------+-------------+-------------+-------------|
| One Wait State | open | closed | open |
| enabled | | | |
|------------------+-------------+-------------+-------------|
| Two Wait States | open | open | closed |
| enabled | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MISCELLANEOUS TECHNICAL NOTES |
|------------------------------------------------------------|
| Not all jumpers are present. You must solder those that |
| are not present. |
| |
| There are two versions of the WD1006S-WAH: the F001 and |
| the F002. The F001 has caching firmware but no wait state |
| generator; F002 has caching firmware with a wait state |
| generator. |
+------------------------------------------------------------+