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ALPHA XL

DIGITAL EQUIPMENT CORPORATION

ALPHA XL

Processor

Alpha

Processor Speed

300/366/433MHz

Chip Set

Unidentified

Video Chip Set

None

Maximum Onboard Memory

512MB

Maximum Video Memory

None

Cache

Unidentified

BIOS

Unidentified

Dimensions

330mm x 218mm

I/O Options

32-bit PCI slots (3), CPU slot

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Unidentified

CN1

Unidentified

CN4

Unidentified

CN2

32-bit PCI slots

PC1 PC3

Unidentified

CN3

CPU slot

SL1

USER CONFIGURABLE SETTINGS

Function

Label

Position

SCSI autosense enabled

J21

Pins 1 & 2 closed

 

SCSI autosense & termination disabled

J21

Pins 2 & 3 closed

CMOS memory normal operation

J22

Pins 1 & 2 closed

 

CMOS memory clear

J22

Pins 2 & 3 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

32MB

(4) 2M x 36

None

64MB

(4) 2M x 36

(4) 2M x 36

64MB

(4) 4M x 36

None

96MB

(4) 4M x 36

(4) 2M x 36

128MB

(4) 4M x 36

(4) 4M x 36

128MB

(4) 8M x 36

None

160MB

(4) 8M x 36

(4) 2M x 36

192MB

(4) 8M x 36

(4) 4M x 36

256MB

(4) 8M x 36

(4) 8M x 36

256MB

(4) 16M x 36

None

288MB

(4) 16M x 36

(4) 2M x 36

320MB

(4) 16M x 36

(4) 4M x 36

384MB

(4) 16M x 36

(4) 8M x 36

512MB

(4) 16M x 36

(4) 16M x 36

USER CONFIGURABLE SETTINGS

Function

Label

Position

Factory configured do not alter

J5

Open

Factory configured do not alter

J6

Open

Flash BIOS write enabled

J15

Pins 2 & 3 closed

 

Flash BIOS write disabled

J15

Pins 1 & 2 closed

Console select primary

J17

Pins 2 & 3 closed

 

Console select alternate

J17

Pins 1 & 2 closed

Console secure disabled

J18

Pins 2 & 3 closed

 

Console secure enabled

J18

Pins 1 & 2 closed

SROM PROGRAM SELECTION

Speed

J2

J3

J7

J9

J10

J11

Power up enabled

Open

Open

Open

Open

Open

Closed

 

MCHK mini console

Open

Closed

Open

Open

Open

Open

 

MFG mem test

Open

Open

Closed

Open

Open

Open

 

Failsafe floppy

Open

Open

Open

Closed

Open

Open

 

No init mini-console

Closed

Open

Open

Open

Open

Open

 

Mini console

Open

Open

Open

Open

Closed

Open

USER CONFIGURABLE SETTINGS

Function

Label

Position

Console secure disabled

J9

Pins 2 & 3 closed

 

Console secure enabled

J9

Pins 1 & 2 closed

Console select primary

J10

Pins 2 & 3 closed

 

Console select alternate

J10

Pins 1 & 2 closed

Factory configured do not alter

J15

Open

Factory configured do not alter

J16

Open

Flash BIOS write enabled

J18

Pins 2 & 3 closed

 

Flash BIOS write disabled

J18

Pins 1 & 2 closed

SROM PROGRAM SELECTION

Speed

J11

J12

J13

J14

J17

J19

Power up enabled

Closed

Open

Open

Open

Open

Open

 

Mini console

Open

Closed

Open

Open

Open

Open

 

Failsafe floppy

Open

Open

Closed

Open

Open

Open

 

MFG mem test

Open

Open

Open

Closed

Open

Open

 

MCHK mini console

Open

Open

Open

Open

Closed

Open

 

No init mini-console

Open

Open

Open

Open

Open

Closed

CPU SPEED SELECTION

Speed

SW1/1

SW1/2

SW1/3

SW1/4

SW2/1

SW2/2

SW2/3

SW2/4

366MHz

Off

On

Off

Off

Off

Off

On

Off

433MHz

Off

Off

On

Off

On

Off

Off

On