MYLEX CORPORATION

DCE376

Data bus: 32 bit, EISA

Size: Full-length, full-height card

Hard drives supported: Up to seven SCSI devices

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

Maximum heads/cyl.: 16 heads and 2048 cylinders

CONNECTIONS

Function

Location

34-pin data cable connector-floppy drive

P0

50-pin SCSI connector-internal

P3

4-pin connector-drive active LED

P5

USER CONFIGURABLE SETTINGS (FOR REV 1D)

Function

Location

Setting

»

Factory configured - do not alter

J1 & J2

pins 2 & 3 closed

»

Supports 64K PROM

J5

pins 2 & 3 closed

 

Supports 128K PROM

J5

pins 1 & 2 closed

»

Hard Drive Interrupt IRQ14 enabled

J10

pins 1 & 2 closed

 

Hard Drive Interrupt IRQ14 disabled

J10

open

»

Factory configured - do not alter

J11

pins 2 & 3 closed

»

Factory configured - do not alter

J12 & J13

pins 1 & 2 closed

USER CONFIGURABLE SETTINGS (FOR REV 1E)

Function

Location

Setting

»

Supports 64K PROM

J1

pins 2 & 3 closed

 

Supports 128K PROM

J1

pins 1 & 2 closed

»

Factory configured - do not alter

J2

pins 2 & 3 closed

»

Factory configured - do not alter

J9

pins 2 & 3 closed

»

Hard Drive Interrupt IRQ14 enabled

J10

pins 1 & 2 closed

 

Hard Drive Interrupt IRQ14 disabled

J10

open

»

Floppy drive enabled

J11

pins 2 & 3 closed

 

Floppy drive disabled

(Revisions prior to "1E" require special PROM's)

J11

pins 1 & 2 closed

»

Factory configured - do not alter

J12

pins 1 & 2 closed

»

DCE376 emulates primary controller position

J13

pins 1 & 2 closed

 

DCE376 emulates secondary controller position

J13

pins 2 & 3 closed

 

Factory setting for 3Px firmware

J14

pins 1 & 2 closed

 

Factory setting for 2Px firmware

J14

pins 2 & 3 closed

»

Factory configured - do not alter

J16

open

CACHE CONFIGURATION (FOR REV 1D)

Size

J3

J4

J6

J7

J8

J9

256KB

pins 1 & 2

pins 1 & 2

open

pins 1 & 2

pins 1 & 2

pins 1 & 2

1024KB

pins 2 & 3

pins 2 & 3

open

pins 1 & 2

pins 2 & 3

pins 1 & 2

4096KB

pins 2 & 3

open

pins 2 & 3

pins 2 & 3

pins 2 & 3

pins 2 & 3

Note:Pins designated should be in the closed position.

CACHE CONFIGURATION (FOR REV 1E)

Size

J3

J4

J5

J6

J7

J8

256KB

pins 1 & 2

pins 1 & 2

pins 1 & 2

open

pins 1 & 2

pins 1 & 2

1024KB

pins 2 & 3

pins 2 & 3

pins 1 & 2

open

pins 2 & 3

pins 1 & 2

4096KB

pins 2 & 3

open

2-3 closed

pins 2 & 3

pins 2 & 3

pins 2 & 3

Note:Pins designated should be in the closed position.

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