WD1003A-RA2 Hard Disk/Floppy Controller Settings and Configuration
WESTERN DIGITAL CORPORATION
WD1003A-RA2
Data bus: | 16-bit, ISA |
Size: | Full-length, full-height card |
Hard drive supported: | Two MFM ST506/412 drives |
Floppy drives supported: | Two 360KB, 720KB, 1.2MB, or 1.44MB drives |
Maximum heads/cyl.: | 16 heads and 2048 cylinders |
CONNECTIONS | |
Function | Location |
4-pin connector-drive active LED | CN1 |
20-pin data cable connector-drive 1 | CN2 |
20-pin data cable connector-drive 0 | CN3 |
34-pin control cable connector-hard drive | CN4 |
34-pin data cable connector-floppy drive | CN5 |
USER CONFIGURABLE SETTINGS | |||
Function | Location | Setting | |
| » | WD11C00C-22 in socket U16 | JP1 | pins 1 & 2 closed |
WD11C00-22 in socket U8 & JP5 pins 1 & 2 closed | JP1 | pins 2 & 3 closed | |
| » | Logical translation for drive 0 disabled | JP2 | open |
Logical translation for drive 0 enabled | JP2 | closed | |
| » | Logical translation for drive 1 disabled | JP2A | open |
Logical translation for drive 1 enabled | JP2A | closed | |
| » | Not used | JP2B | open |
| » | Factory configured - do not alter | JP3 & JP3A | closed |
| » | Hard drive port address is 1F0-1F7h | JP4 | pins 2 & 3 closed |
| Hard drive port address is 170-177h | JP4 | pins 1 & 2 closed | |
| » | Floppy drive port address is 3F0-3F7h | JP4A | pins 2 & 3 closed |
Floppy drive port address is 370-377 | JP4A | pins 1 & 2 closed | |
| » | 8 head hard drive or RWC (hard-wired) | JP5 | pins 1 & 2 closed |
16 head hard drive supported | JP5 | pins 2 & 3 open | |
| » | Supports 300 or 360 RPM floppy disk drives | JP7 | pins 2 & 3 closed |
Supports dual speed spindle floppy drives | JP7 | pins 1 & 2 closed | |
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