DIAMOND MULTIMEDIA SYSTEMS, INC.

MICRONICS C400

Device Type Mainboard
Processor Celeron/Pentium II
Processor Speed 233/266/300/333/350/400/450MHz
Chip Set Intel 440BX
Maximum Onboard Memory 768MB (EDO & SDRAM supported)
Cache 0/128/256/512KB (located on the CPU)
BIOS Award
Dimensions 305mm x 190mm
I/O Options 32-bit PCI slots (5), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), IR connector, USB ports (2), ATX power connector, AGP slot, Wake on LAN connector, SB-Link connector



CONNECTIONS

Purpose

Location

Purpose

Location

AGP slot

AGP

IDE interface 2 J18
ATX power connector

ATX

Floppy drive interface J19
PS/2 mouse port J1 Speaker J20
Serial port 1 J2 Reset switch J21
Serial port 2 J3 Power LED J22
USB port 1 J4 IDE interface LED J23
Parallel port J5 IR connector J24
USB port 2 J6 Green PC connector J25
Wake on LAN connector J11 Power switch J26
CPU fan power J13 SB-Link connector J27
IDE interface 1 J14 Modem ring connector J28
Chassis fan power J16 32-bit PCI slots

PC1 - PC5

Power LED & keylock J17    


USER CONFIGURABLE SETTINGS

Function

Label

Position

 

Password normal operation JP1 Open
  Password clear JP1 Closed


DIMM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

8MB

(1) 1M x 64

None

None

16MB

(1) 1M x 64

(1) 1M x 64

None

16MB

(1) 2M x 64

None

None

24MB

(1) 1M x 64

(1) 1M x 64

(1) 1M x 64

32MB

(1) 2M x 64

(1) 2M x 64

None

32MB

(1) 4M x 64

None

None

32MB

(1) 2M x 64

(1) 1M x 64

(1) 1M x 64

48MB

(1) 2M x 64

(1) 2M x 64

(1) 2M x 64

48MB

(1) 4M x 64

(1) 1M x 64

(1) 1M x 64

64MB

(1) 4M x 64

(1) 4M x 64

None

64MB

(1) 8M x 64

None

None

64MB

(1) 4M x 64

(1) 2M x 64

(1) 2M x 64

80MB

(1) 8M x 64

(1) 1M x 64

(1) 1M x 64

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) 16M x 64

None

None

128MB

(1) 8M x 64

(1) 4M x 64

(1) 4M x 64

144MB

(1) 16M x 64

(1) 1M x 64

(1) 1M x 64

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) 32M x 64

None

None

256MB

(1) 16M x 64

(1) 8M x 64

(1) 8M x 64

272MB

(1) 32M x 64

(1) 1M x 64

(1) 1M x 64

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) 16M x 64

(1) 16M x 64

(1) 16M 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

Note:  Board supports EDO & SDRAM memory.


CACHE CONFIGURATION

Note:  256KB/512KB cache is located on the Pentium II CPU.  128KB cache is located on the Celeron 300A and greater Celerons.


CPU SPEED SELECTION (INTEL)

CPU speed

Clock speed

Multiplier JP2/Pins 1 & 2 JP2/Pins 3 & 4

JP2/Pins 5 & 6

JP2/Pins 7 & 8

233MHz

66MHz

3.5x Open Closed Open Closed

266MHz

66MHz

4x Closed Open Closed Closed

300MHz

66MHz

4.5x Closed Open Open Closed

333MHz

66MHz

5x Open Open Closed Closed

300MHz

100MHz

3x Open Closed Closed Closed
350MHz 100MHz 3.5x Open Closed Open Closed
400MHz 100MHz 4x Closed Open Closed Closed
450MHz 100MHz 4.5x Closed Open Open Closed