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DC99, DC99M

PROMISE TECHNOLOGY, INC.

DC99, DC99M

Data bus: 16-bit, ISA

Size: Half-length, full-height card

Hard drives supported: Two AT Interface (IDE) drives

Floppy drives supported: Two 360KB, 720KB, 1.2MB, or 1.44MB

CONNECTIONS

Function

Location

40-pin AT Interface (IDE) connector

J1

34-pin control cable connector-floppy drive

J2

4-pin connector-drive active LED

JP1

USER CONFIGURABLE SETTINGS

Function

Location

Setting

Floppy drive enabled

JP2

pins 1 & 2 closed

 

Floppy drive disabled

JP2

pins 1 & 2 open

Factory configured - do not alter

JP2

pins 3 & 4 open

CACHE CONFIGURATION

Size

Cache

512KB

(2) 256K x 9

2MB

(2) 1M x 9

8MB

(2) 4M x 9

Note:When configuring the cache, both SIMM sockets must be occupied with identical SIMM's; i.e.: two 256KB, 1MB, or 4MB SIMM's. The modules may be 8 or 9-bits wide and must be 80nsec or faster.

MISCELLANEOUS TECHNICAL NOTES

Warning: Do not reset or power-down the system while the drive active LED is lit! Data in cache RAM will be lost!