TEXT View Source
# TEKRAM TECHNOLOGY COMPANY, LTD.
DC-300B, DC-800B
+------------------------------------------------------------+
|------------------------------------------------------------|
| Data bus: | 16-bit ISA |
|-----------------------+------------------------------------|
| Size: | Half-length, full-height card |
|-----------------------+------------------------------------|
| Hard drive supported: | Up to seven SCSI devices |
|-----------------------+------------------------------------|
| Floppy drives | Two 360KB, 720KB, 1.2MB, or 1.44MB |
| supported: | |
+------------------------------------------------------------+
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Location |
|------------------------------------------+-----------------|
| 50-pin SCSI-2 connector - external | CN1 |
|------------------------------------------+-----------------|
| 50-pin SCSI connector - internal | CN2 |
|------------------------------------------+-----------------|
| 34-pin cable connector - floppy drive | CN3 |
|------------------------------------------+-----------------|
| 4-pin connector - drive active LED | JP1 |
|------------------------------------------+-----------------|
| 4-pin connector - speaker | JP2 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Location | Setting |
|-------------------------------+---------------+------------|
| » | Floppy drive enabled | JP3/jumper 1 | closed |
|---+---------------------------+---------------+------------|
| | Floppy drive disabled | JP3/jumper 1 | open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BASE I/O ADDRESS |
|------------------------------------------------------------|
| Address | JP3/jumper 2 | JP3/jumper 3 | JP3/jumper 4 |
|------------+---------------+---------------+---------------|
| » | 330h | closed | closed | closed |
|---+--------+---------------+---------------+---------------|
| | 130h | open | open | closed |
|---+--------+---------------+---------------+---------------|
| | 134h | open | open | open |
|---+--------+---------------+---------------+---------------|
| | 230h | open | closed | closed |
|---+--------+---------------+---------------+---------------|
| | 234h | open | closed | open |
|---+--------+---------------+---------------+---------------|
| | 334h | closed | open | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE DRAM CONFIGURATION (FOR DC-800B ONLY) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|---------------+----------------------+---------------------|
| 512KB | (2) 256K x 9 | NONE |
|---------------+----------------------+---------------------|
| 1MB | (2) 256K x 9 | (2) 256K x 9 |
|---------------+----------------------+---------------------|
| 2MB | (2) 1M x 9 | NONE |
|---------------+----------------------+---------------------|
| 2.5MB | (2) 1MB x 9 | (2) 256K x 9 |
|---------------+----------------------+---------------------|
| 4MB | (2) 1MB x 9 | (2) 1MB x 9 |
|---------------+----------------------+---------------------|
| 8MB | (2) 4MB x 9 | NONE |
|---------------+----------------------+---------------------|
| 8.5MB | (2) 4MB x 9 | (2) 256K x 9 |
|---------------+----------------------+---------------------|
| 10MB | (2) 4MB x 9 | (2) 1MB x 9 |
|---------------+----------------------+---------------------|
| 16MB | (2) 4MB x 9 | (2) 4MB x 9 |
|------------------------------------------------------------|
| Note: Bank 0 must be installed. SIMM’s must be the same |
| size in the same bank and can be mixed in any |
| combination not exceeding 16MB. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MISCELLANEOUS TECHNICAL NOTES |
|------------------------------------------------------------|
| The only difference between DC-300B & DC-800B is the Cache |
| DRAM capability in DC-800B. |
| |
| Remove terminators only when both internal & external |
| devices are connected to this adapter. |
+------------------------------------------------------------+