MYLEX CORPORATION

DAC960PL

Processor

RISC

Maximum Onboard Memory

4/8/16/32MB DRAM (n x 36)

Data Bus

32-bit PCI

Card Size

Full-length, full-height card

Hard Drives supported

Up to 45 Fast/Wide SCSI-2 devices

Floppy Drives supported

None

RAID Levels supported

0,1,5, and 0+1

CONNECTIONS

Function

Location

Function

Location

68-pin SCSI connector - channel 0 internal

J1

10-pin connector - battery backup (optional)

J5

68-pin SCSI connector - channel 1 internal

J2

68-pin SCSI connector - channel 0 external

J6

68-pin SCSI connector - channel 2 internal

J3

68-pin SCSI connector - channel 1 external

J7

26-pin connector - AEMI port

J4

6-pin connector - bus/drive active LED

JP5

Note: AEMI is the acronym for Array Enclosure Management Interface.

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Factory configured - do not alter

JP4

Unidentified

»

SCSI channel 0 termination enabled

J1

Closed

 

SCSI channel 0 termination disabled

J1

Open

»

SCSI channel 1 termination enabled

J2

Closed

 

SCSI channel 1 termination disabled

J2

Open

»

SCSI channel 2 termination enabled

J3

Closed

 

SCSI channel 2 termination disabled

J3

Open

 

Enable termination on a SCSI channel if the controller is installed at one end of that channel. This setting terminates the channel and power s its SCSI TERMPWR signal.

Disable termination on a SCSI channel if the controller is not at the end of that channel (both external and internal devices exist on the same channel).

DIAGNOSTIC LED(S)

LED

Status

Condition

JP5/pins 1 & 2

On

SCSI is active

(Data is being transmitted/received across SCSI channels)

JP5/pins 1 & 2

Off

No SCSI activity

JP5/pins 3 & 4

On

PCI is active

(Data is being transmitted/received to/from host)

JP5/pins 3 & 4

Off

No PCI activity

JP5/pins 5 & 6

On

Write is pending

(Cache holds data that needs to be written to disk)

JP5/pins 5 & 6

Off

No write is pending

Note: If the system loses power or is reset while JP6/pins 5 & 6 are on, the data in cache memory will be lost. Install the optional cache batter backup module J2 to avoid data loss.