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DC-300B, DC-800B

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

Ľ

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

Ľ

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. SIMMís 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.