LEGACY STORAGE SYSTEMS CORPORATION

UDSS DISKARRAY

Card Type

Hard drive controller card

Processor

80486 DX2

Processor Speed

66MHz

Maximum Onboard Memory

64MB DRAM

Hard Drives supported

Up to 35 SCSI devices

Floppy drives supported

None

Form factor

5.25"

Bus type

External

CONNECTIONS

Function

Location

Function

Location

Daughter board connector

CN1

SCSI channel 2 connector

JP7

Daughter board connector

CN2

Battery board connector

JP16

SCSI channel 0 connector

JP1

Battery board connector

JP18

Fault bus connector

JP4

Serial port

P1

Fault bus connector

JP5

Fail over port

P2

SCSI channel 1 connector

JP6

   

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Factory configured - do not alter

JP8

Unidentified

»

Factory configured - do not alter

JP9

Unidentified

»

Factory configured - do not alter

JP10

Unidentified

DRAM CONFIGURATION

Size

BANK 0

BANK 1

4MB

(1) 1MB X 36

None

8MB

(1) 1MB X 36

(1) 1MB X 36

8MB

(1) 2MB X 36

None

16MB

(1) 2MB X 36

(1) 2MB X 36

16MB

(1) 4MB X 36

None

32MB

(1) 4MB X 36

(1) 4MB X 36

32MB

(1) 8MB X 36

None

64MB

(1) 8MB X 36

(1) 8MB X 36

64MB

(1) 16MB X 36

None

DIAGNOSTIC LED(S)

Note: The function of LED4 is unidentified.

SWITCH FUNCTIONS

Function

Switch

Scroll through available functions

SW1

Scroll through available functions

SW2

Chooses or executes an option

SW3

Returns to preceding menu or cancel selection

SW4

DIAGNOSTIC LED(S)

LED

Color

Status

Condition

LED1

Unidentified

On

Power is on

LED1

Unidentified

Off

Power is off

LED2

Unidentified

On

Unprocessed cached data still in memory

LED2

Unidentified

Blinking

Data is being accessed

LED2

Unidentified

Off

No drive activity

LED3

Unidentified

On

Lights when service is required

LED3

Unidentified

Off

No service required

CONNECTIONS

Function

Location

Function

Location

Mother board connector

CN1

SCSI channel 4 connector

J2

Mother board connector

CN2

SCSI channel 5 connector

J5

SCSI channel 3 connector

J1

   

CONNECTIONS

Function

Location

Function

Location

Mother board connector

JP16

Mother board connector

JP18