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 supported:  | 
 Two 360KB, 720KB, 1.2MB, or 1.44MB  | 
| 
 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.  |