DIAMOND FLOWER, INC.

CB50-BX (REV. AA+)

Device Type Mainboard
Processor Celeron
Processor Speed 300/333/366/400/433/466
Chip Set Intel 440BX
Maximum Onboard Memory 768MB (SDRAM supported)
Cache 256/512KB (located on the Pentium II CPU)
BIOS Award
Dimensions 265mm x 220mm
I/O Options (backplane) 32-bit PCI slots (4), floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2), USB connector, ATX power connector, AGP slot, SB-LINK connector, Wake-on-LAN connector


CONNECTIONS

Purpose

Location

Purpose

Location

AGP slot

AGP

Reset switch J9/Pins 16 & 17
ATX power connector

ATX

Speaker J9/Pins 19 - 22
CPU fan power J1 Power LED & Keylock J9/Pins 24 - 28
PS/2 mouse interface J2 Floppy drive interface J10
IR connector J5 USB connector J11
AGP fan power J6 Chassis fan power J12
IDE interface 2 J7 SB-LINK connector J13
IDE interface 1 J8 Wake-on-LAN connector J14
ATX-LED J9/Pins 1 & 2 Serial port 2 JP3
Hard drives LED J9/Pins 4 & 5 Serial port 1 JP4
Green LED J9/Pins 7 & 8 Parallel port JP5
ATX power switch enable J9/Pins 10 & 11 32-bit PCI slots

PC1 - PC4

Green PC switch power J9/Pins 13 & 14    


USER CONFIGURABLE SETTINGS

Function

Label

Position

» Wake-on keyboard/mouse disabled JP1 Pins 1 & 2 closed

 

Wake-on keyboard/mouse enabled JP1

Pins 2 & 3 closed

»

CMOS memory normal operation JP6 Pins 1 & 2 closed
  CMOS memory clear JP6 Pins 2 & 3 closed


DIMM CONFIGURATION

Size Bank 0 Bank 1 Bank 2

16MB

(1) 2M x 64

None

None

32MB

(1) 2M x 64

(1) 2M x 64

None

32MB

(1) 4M x 64

None

None

48MB

(1) 2M x 64

(1) 2M x 64

(1) 2M x 64

64MB

(1) 4M x 64

(1) 4M x 64

None

64MB

(1) 4M x 64

(1) 2M x 64

(1) 2M x 64

64MB

(1) 8M x 64

None

None

96MB

(1) 4M x 64

(1) 4M x 64

(1) 4M x 64

96MB

(1) 8M x 64

(1) 2M x 64

(1) 2M x 64

128MB

(1) 8M x 64

(1) 8M x 64

None

128MB

(1) 8M x 64

(1) 4M x 64

(1) 4M x 64

128MB

(1) 16M x 64

None

None

160MB

(1) 16M x 64

(1) 2M x 64

(1) 2M x 64

192MB

(1) 8M x 64

(1) 8M x 64

(1) 8M x 64

192MB

(1) 16M x 64

(1) 4M x 64

(1) 4M x 64

256MB

(1) 16M x 64

(1) 16M x 64

None

256MB

(1) 16M x 64

(1) 8M x 64

(1) 8M x 64

384MB

(1) 16M x 64

(1) 16M x 64

(1) 16M x 64

256MB

(1) 32M x 64

None

None

288MB

(1) 32M x 64

(1) 2M x 64

(1) 2M x 64

320MB

(1) 32M x 64

(1) 4M x 64

(1) 4M x 64

384MB

(1) 32M x 64

(1) 8M x 64

(1) 8M x 64

512MB

(1) 32M x 64

(1) 32M x 64

None

512MB

(1) 32M x 64

(1) 16M x 64

(1) 16M x 64

768MB

(1) 32M x 64

(1) 32M x 64

(1) 32M x 64


CPU SPEED SELECTION (CELERON)

Speed

Label Position

»

Auto JP2 Pins 1 & 2 closed
  66 MHz JP2 Pins 2 & 3 closed
  100 MHz JP2 Open


CPU SPEED/MULTIPLIER SELECTION

CPU Speed Clock Speed

Multiplier

SW1/1 SW1/2 SW1/3 SW1/4
300MHz 66MHz

4.5x

Off On Off On
333MHz 66MHz

5x

On Off Off On
366MHz 66MHz

5.5x

Off Off Off   On
400MHz 66MHz

6x

On On On Off
433MHz 66MHz 6.5x Off On On Off
466MHz 66MHz 7x On Off On Off

Note: This table is for informational purposes only.  SW1 is factory configured - do not alter.