BCM ADVANCED RESEARCH, INC.

IN620
Device Type Mainboard
Processor Celeron
Processor Speed 300/333/366/400/433/466/500MHz
Chip Set SiS
Video Chip Set SiS
Audio Chip Set ESS
Maximum Onboard Memory 1GB (SDRAM supported)
Maximum Video Memory Unidentified
Maximum Audio Memory Unidentified
Cache 0/128KB
BIOS Award
Dimensions 244mm x 211mm
I/O Options 16-bit ISA slot, 32-bit PCI slots (4), ATX power connector, audio in - CD-ROM, auxiliary-in, floppy drive interface, front side USB interface, game/MIDI port, green PC connector, IDE interfaces (2), line in, line out, microphone in, modem connector, parallel port, PS/2 keyboard port, PS/2 mouse port, serial interface, serial port, USB ports (2), VGA port, Wake-on-LAN connector, Wake-on-modem connector


CONNECTIONS

Purpose

Location

Purpose

Location
VGA port J1 Wake-on-modem connector J17
PS/2 keyboard port J2/A CPU fan power J18
PS/2 mouse port J2/B ATX power connector J19
Serial port 1 J3 IDE interface LED J20/Pins 1 & 2
USB port 1 J4/A Reset switch J20/Pins 3 & 4
USB port 2 J4/B Power LED J20/Pins 9 & 10
Audio in - CD-ROM J5 Power switch J20/Pins 11 & 12
Line out J6/A Green PC switch J20/Pins 13 & 14
Line in J6/B IDE interface 2 J21
Microphone in J6/C IDE interface 1 J22
Game/MIDI port J7 Speaker J23
Parallel port J8 Floppy drive interface J24
Auxiliary-in J9 Front side USB interface J25
Serial interface 2 J10 16-bit ISA slot IS1
Modem connector J11 32-bit PCI slots PC1 - PC4
Wake-on-LAN connector J12    


USER CONFIGURABLE SETTINGS

Function

Label

Position
  Onboard video enabled JP3 Open
  Onboard video disabled JP3 Closed

»

 CMOS memory normal operation JP6 Open
  CMOS memory clear JP6 Closed
» Factory configured - do not alter JP7 Unidentified
  Front USB selected JP8 Pins 1 & 2, 4 & 5 closed
  Back panel USB selected JP8 Pins 2 & 3, 5 & 6 closed


DIMM CONFIGURATION

Size

Bank 0

Bank 1

8MB

(1) 1M x 64

None

16MB

(1) 1M x 64

(1) 1M x 64

24MB

(1) 2M x 64

(1) 1M x 64

32MB

(1) 2M x 64

(1) 2M x 64

40MB

(1) 4M x 64

(1) 1M x 64

48MB

(1) 4M x 64

(1) 2M x 64

64MB

(1) 4M x 64

(1) 4M x 64

72MB

(1) 8M x 64

(1) 1M x 64

80MB

(1) 8M x 64

(1) 2M x 64

96MB

(1) 8M x 64

(1) 4M x 64

128MB

(1) 8M x 64

(1) 8M x 64

136MB

(1) 16M x 64

(1) 1M x 64

144MB

(1) 16M x 64

(1) 2M x 64

160MB

(1) 16M x 64

(1) 4M x 64

192MB

(1) 16M x 64

(1) 8M x 64

256MB

(1) 16M x 64

(1) 16M x 64

264MB

(1) 32M x 64

(1) 1M x 64

272MB

(1) 32M x 64

(1) 2M x 64

288MB

(1) 32M x 64

(1) 4M x 64

320MB

(1) 32M x 64

(1) 8M x 64

384MB

(1) 32M x 64

(1) 16M x 64

512MB

(1) 32M x 64

(1) 32M x 64

520MB

(1) 64M x 64

(1) 1M x 64

528MB

(1) 64M x 64

(1) 2M x 64

544MB

(1) 64M x 64

(1) 4M x 64

576MB

(1) 64M x 64

(1) 8M x 64

640MB

(1) 64M x 64

(1) 16M x 64

768MB

(1) 64M x 64

(1) 32M x 64

1024MB

(1) 64M x 64

(1) 64M x 64
Note: Board supports SDRAM memory.
Note: If only 1 DIMM module is used, it must be installed in Bank 0.


CACHE CONFIGURATION

Note: 128KB cache is located on Celeron 300A and greater CPUs.


CPU HOST FREQUENCY SELECTION

Host Speed

SDRAM Speed

JP1

JP2

 JP4 JP5
66MHz 66MHz Closed Closed Closed Open
66MHz 100MHz Open Closed Closed Closed
100MHz 100MHz Closed Closed Open Open
100MHz 66MHz Open Open Closed Closed


CPU MULTIPLIER SELECTION

Multiplier

JP9/Pins 1 & 2

JP9/Pins 3 & 4

 JP9/Pins 5 & 6 JP9/Pins 7 & 8
3.0x Closed Closed Closed Open
3.5x Closed Closed Open Open
4.0x Closed Open Closed Closed
4.5x Closed Open Open Closed
5.0x Closed Open Closed Open
5.5x Closed Open Open Open
6.0x Open Closed Closed Closed
6.5x Open Closed Open Closed
7.0x Open Closed Closed Open
7.5x Open Closed Open Open
8.0x Open Open Closed Closed