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P486-ICA (REV. A)

DIAMOND FLOWER, INC.

P486-ICA (REV. A)

Processor

80486SX/80486DX/80486DX2/Pentium Overdrive

Processor Speed

25/33/50(internal)/66(internal)MHz

Chip Set

Intel

Max. Onboard DRAM

128MB

Cache

128/256KB

BIOS

Phoenix

Dimensions

330mm x 218mm

I/O Options

32-bit PCI bus slots (3), floppy drive interface, IDE interface, parallel port, PS/2 mouse interface, serial ports (2)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

PCI 3.3 volt power connector

J3

IDE interface LED

J31

External battery

J4

Reset switch

J32

PS/2 mouse port

J5

Speaker

J33

Serial port 1

J14

Power LED & keylock

J34

Serial port 2

J15

Chassis fan power

J36

Parallel port

J20

Turbo LED

J40

Floppy drive interface

J21

32-bit PCI bus slots

S1, S2 & S3

IDE interface

J22

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Battery type select 3.6 volt

J7

pins 1 & 2 closed

 

Battery type select 4.5 volt

J7

pins 2 & 3 closed

On board I/O controller enabled

J23

pins 2 & 3 closed

 

On board I/O controller disabled

J23

pins 1 & 2 closed

Memory parity enabled

J24

pins 1 & 2 closed

 

Memory parity disabled

J24

pins 2 & 3 closed

Boot block disabled

J25

pins 1 & 2 closed

 

Boot block enabled

J25

pins 2 & 3 closed

IDE DMA disabled

J26

pins 1 & 2 closed

 

IDE DMA enabled (WD Caviar/Conner CP30254 drives only)

J26

pins 2 & 3 closed

CMOS memory normal operation

J27

Open

 

CMOS memory clear

J27

Closed

Factory configured - do not alter

J28

Open

DMA Channel 1 enabled

J29 & J30

pins 2 & 3 closed

 

DMA Channel 1 disabled

J29 & J30

pins 1 & 2 closed

L1 write through & L2 write back cache enabled

J37 & J38

pins 1 & 2 closed

 

L1 write back & L1 write through cache enabled

J37 & J38

pins 2 & 3 closed

CPU speed select 33MHz

J39

pins 2 & 3 closed

 

CPU speed select 25MHz

J39

pins 1 & 2 closed

IRQ14 enabled (on board IDE controller installed)

J42

pins 1 & 2 closed

 

IRQ15 enabled ( 2 IDE controllers installed)

J42

pins 2 & 3 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

2MB

(1) 256K x 36

(1) 256K x 36

NONE

NONE

4MB

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

4MB

(1) 512K x 36

(1) 512K x 36

NONE

NONE

6MB

(1) 256K x 36

(1) 256K x 36

(1) 512K x 36

(1) 512K x 36

6MB

(1) 512K x 36

(1) 512K x 36

(1) 256K x 36

(1) 256K x 36

8MB

(1) 512K x 36

(1) 512K x 36

(1) 512K x 36

(1) 512K x 36

8MB

(1) 1M x 36

(1) 1M x 36

NONE

NONE

10MB

(1) 256K x 36

(1) 256K x 36

(1) 1M x 36

(1) 1M x 36

10MB

(1) 1M x 36

(1) 1M x 36

(1) 256K x 36

(1) 256K x 36

12MB

(1) 512K x 36

(1) 512K x 36

(1) 1M x 36

(1) 1M x 36

12MB

(1) 1M x 36

(1) 1M x 36

(1) 512K x 36

(1) 512K x 36

16MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

16MB

(1) 2M x 36

(1) 2M x 36

NONE

NONE

18MB

(1) 256K x 36

(1) 256K x 36

(1) 2M x 36

(1) 2M x 36

18MB

(1) 2M x 36

(1) 2M x 36

(1) 256K x 36

(1) 256K x 36

20MB

(1) 512K x 36

(1) 512K x 36

(1) 2M x 36

(1) 2M x 36

20MB

(1) 2M x 36

(1) 2M x 36

(1) 512K x 36

(1) 512K x 36

24MB

(1) 1M x 36

(1) 1M x 36

(1) 2M x 36

(1) 2M x 36

24MB

(1) 2M x 36

(1) 2M x 36

(1) 1M x 36

(1) 1M x 36

DRAM CONFIGURATION (CONT)

Size

Bank 0

Bank 1

Bank 2

Bank 3

32MB

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

32MB

(1) 4M x 36

(1) 4M x 36

NONE

NONE

34MB

(1) 256K x 36

(1) 256K x 36

(1) 4M x 36

(1) 4M x 36

34MB

(1) 4M x 36

(1) 4M x 36

(1) 256K x 36

(1) 256K x 36

36MB

(1) 512K x 36

(1) 512K x 36

(1) 4M x 36

(1) 4M x 36

36MB

(1) 4M x 36

(1) 4M x 36

(1) 512K x 36

(1) 512K x 36

40MB

(1) 1M x 36

(1) 1M x 36

(1) 4M x 36

(1) 4M x 36

40MB

(1) 4M x 36

(1) 4M x 36

(1) 1M x 36

(1) 1M x 36

48MB

(1) 4M x 36

(1) 4M x 36

(1) 2M x 36

(1) 2M x 36

48MB

(1) 2M x 36

(1) 2M x 36

(1) 4M x 36

(1) 4M x 36

64MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

64MB

(1) 8M x 36

(1) 8M x 36

NONE

NONE

66MB

(1) 256K x 36

(1) 256K x 36

(1) 8M x 36

(1) 8M x 36

66MB

(1) 8M x 36

(1) 8M x 36

(1) 256K x 36

(1) 256K x 36

68MB

(1) 512K x 36

(1) 512K x 36

(1) 8M x 36

(1) 8M x 36

68MB

(1) 8M x 36

(1) 8M x 36

(1) 512K x 36

(1) 512K x 36

72MB

(1) 1M x 36

(1) 1M x 36

(1) 8M x 36

(1) 8M x 36

72MB

(1) 8M x 36

(1) 8M x 36

(1) 1M x 36

(1) 1M x 36

80MB

(1) 2M x 36

(1) 2M x 36

(1) 8M x 36

(1) 8M x 36

80MB

(1) 8M x 36

(1) 8M x 36

(1) 2M x 36

(1) 2M x 36

96MB

(1) 4M x 36

(1) 4M x 36

(1) 8M x 36

(1) 8M x 36

96MB

(1) 8M x 36

(1) 8M x 36

(1) 4M x 36

(1) 4M x 36

128MB

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

128KB

(4) 32K x 8

NONE

(2) 32K x 8

256KB

(4) 32K x 8

(4) 32K x 8

(2) 32K x 8

Note: Bank 0 is factory installed and is not configurable.

CACHE JUMPER CONFIGURATION

Size

J41/ 1 & 2

J41/ 3 & 4

128KB

Open

pins 3 & 4 closed

256KB

pins 1 & 2 closed

Open

CPU VOLTAGE SELECT

Voltage

J35

3.3

pins 1 & 3, 2 & 4 closed

5

pins 3 & 5, 4 & 6 closed

PCI IRQ CONFIGURATION

IRQ

J6

9

pins 1 & 2 closed

10

pins 3 & 4 closed

11

pins 5 & 6 closed

14

pins 7 & 8 closed