background image

25   

VGA header

26 

  LAN1

27  

 LAN2

28

   Onbard VGA (Disable/Enable) JP60,61

29

   Ultra160 LVD SCSI Ch B

30

   PCI Riser Card

31

   SW1

32 

  Floppy connector

33

   JP1, JP3 header

34 

  CPU#2 Socket

35

   CPU#1 Socket

1

     System Board

2   

  COM2 Header

3

     SCSI Termination 

 

   BIOS Chip

 

   JP57

    JP56 on Board Speaker Disable/Enable

7

     JBT1

8  

   Overheat Fan Header

9

     Ultra160 LVD SCSI Ch A

10

   IDE #1 connector

11

   IDE #2 connector 

12 

  Chassis Fan

13   

Chassis Fan

14   

OH

 

Fan

15

   JF1 Control Panel Header 

16   

Power LED Header

17,18  * 

Bank 0 Memory Modules

19,20  *

 Bank 1 Memory Modules

21

   Primary Power Connector

22

   Mouse and Keyboard connectors

23  

 2 USB ports

24  

 COM1 header

Motherboard Components

33

31

29

34

11

12

30

5

4

2

3

28

27

26

25

23

1

17

15

14

13

35

19

18

10

32

 7

 6

 8

 9

24

22

21

20

16

 Quick Reference

Jumpers

           

Description 

   

     

Default Setting  

JA2    

   LVD SCSI Ch A Term.          Open (Enabled) 

JA4    

   LVD SCSI Ch B Term.          Open (Enabled) 

JBT1    

   CMOS Clear       

      Pin 1-2 (Normal) 

JP1    

   FSB Speed Setting              Open (133 MHz) 

JP56

   Speaker Enble/Disble          On (Enabled)

JP57 

   BIOS Select                          Pin 1-2 (BIOS1)

JP58 

   LAN1 Enable/Disable           Off (Enabled)

JP60 

   VGA Enable/Disable            Pin 2-3 (Enabled)

JP61

   VGA Interrupt Enable          Pin 2-3 (Enabled)

JP62 

   LAN2 Enable/Disable          Off (Enabled)

JP63 

   Chipset Speed Setting        Off (133 MHz)

JP64 

   SCSI Enable/Disable          Pin 1-2 (Enabled)

CPU Core/

Bus Ratio

4.0

4.5

5.0

5.5

6.0

6.5

7.0

7.5

8.0

8.5

9.0

SW1

#4

ON

ON

ON

ON

OFF

OFF

OFF

OFF

OFF

OFF

OFF

SW1

#3

OFF

OFF

OFF

OFF

ON

ON

ON

ON

OFF

OFF

OFF

SW1

#2

ON

ON

OFF

OFF

ON

ON

OFF

OFF

ON

ON

OFF

SW1

#1

ON

OFF

ON

OFF

ON

OFF

ON

OFF

ON

OFF

ON

Note: Interleaved ECC registered memory type must be installed in pairs: 17,18 and 19 , 20 especially. 

*

CPU Core/Bus Ratio Selection 

               (DIP Switch 1)

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