COMPAQ COMPUTER CORPORATION

PROLIANT 1850R
Device Type Mainboard
Processor Pentium II/Pentium III (2)
Processor Speed 400/450/500MHz
Chip Set Intel 440BX
Video Chip Set Unidentified
Maximum Onboard Memory 1024MB (SDRAM supported)
Maximum Video Memory 1MB
Cache 256/512KB (located on the Pentium II/III CPU)
BIOS Unidentified
Dimensions Unidentidied
I/O Options (Mainboard) Ethernet 10BaseT connector, floppy drive interface, IDE interfaces (2), SCSI interfaces (2), parallel port, PS/2 mouse port, serial ports (2),  VGA port, riser slot, VRM connectors (2), USB ports (2), ATX power connector
I/O Options (Riser board) 32-bit PCI slots (4),


wpe8A.jpg (58134 bytes)

CONNECTIONS

Purpose

Location

Purpose

Location

ATX power connector

ATX

PS/2 mouse port CN7
Ethernet 10BaseT connector CN1 SCSI connector CN8
VGA port CN2 SCSI connector CN9
Fast SCSI-2 port CN3 VRM connector CN10
Parallel port CN4 VRM connector CN11
Serial port 2 CN5 Riser Slot Slot1
Serial port 1 CN6    


USER CONFIGURABLE SETTINGS

Function

Label

Position

 

 On board video disabled SW1/1 On
  On board video enabled SW1/1 Off
  System configuration locked SW1/2 On

 

 System configuration unlocked SW1/2 Off
» Rack mount configuration SW1/3 On
  Tower configuration SW1/3 Off
» Boot from diskette determined by configuration SW1/4 Off
  Boot from diskette allowed SW1/4 On
» Password enabled SW1/5 Off
  Password disabled SW1/5 On
» Normal mode SW1/6 Off
  Maintenance mode SW1/6 On


DIMM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

128MB

(1) 4M x 64

(1) 4M x 64

(1) 4M x 64

(1) 4M x 64

128MB

(1) 8M x 64

(1) 8M x 64

None

None

128MB

(1) 16M x 64

None

None

None

144MB

(1) 8M x 64

(1) 8M x 64

(1) 1M x 64

(1) 1M x 64

160MB

(1) 8M x 64

(1) 8M x 64

(1) 2M x 64

(1) 2M x 64

192MB

(1) 8M x 64

(1) 8M x 64

(1) 8M x 64

None

192MB

(1) 8M x 64

(1) 8M x 64

(1) 4M x 64

(1) 4M x 64

256MB

(1) 8M x 64

(1) 8M x 64

(1) 8M x 64

(1) 8M x 64

256MB

(1) 16M x 64

(1) 16M x 64

None

None

256MB

(1) 32M x 64

None

None

None

272MB

(1) 16M x 64

(1) 16M x 64

(1) 1M x 64

(1) 1M x 64

288MB

(1) 16M x 64

(1) 16M x 64

(1) 2M x 64

(1) 2M x 64

320MB

(1) 16M x 64

(1) 16M x 64

(1) 4M x 64

(1) 4M x 64

384MB

(1) 16M x 64

(1) 16M x 64

(1) 16M x 64

None

384MB

(1) 16M x 64

(1) 16M x 64

(1) 8M x 64

(1) 8M x 64

512MB

(1) 16M x 64

(1) 16M x 64

(1) 16M x 64

(1) 16M x 64

512MB

(1) 32M x 64

(1) 32M x 64

None

None

528MB

(1) 32M x 64

(1) 32M x 64

(1) 1M x 64

(1) 1M x 64

544MB

(1) 32M x 64

(1) 32M x 64

(1) 2M x 64

(1) 2M x 64

576MB

(1) 32M x 64

(1) 32M x 64

(1) 4M x 64

(1) 4M x 64

640MB

(1) 32M x 64

(1) 32M x 64

(1) 8M x 64

(1) 8M x 64

768MB

(1) 32M x 64

(1) 32M x 64

(1) 32M x 64

None

768MB

(1) 32M x 64

(1) 32M x 64

(1) 16M x 64

(1) 16M x 64

1024MB

(1) 32M x 64

(1) 32M x 64

(1) 32M x 64

(1) 32M x 64
Note:  Board supports SDRAM memory.


CACHE CONFIGURATION

Note:  256KB/512KB cache is located on the Pentium II/Pentium III CPU.


wpe48.jpg (15196 bytes)


CONNECTIONS

Purpose

Location

32-bit PCI slots

PC1-PC4