IBM CORPORATION PC SERVER 325 (TYPE 8639) MODEL PBO, PTO, PTW, RBO Processor Pentium II/Pentium Pro Processor Speed 233/266MHz Chip Set Unidentified Video Chip Set Unidentified Maximum Onboard Memory 512MB (EDO supported) Maximum Video Memory 1MB Cache 256KB BIOS Unidentified Dimensions 305mm x 244mm I/O Options 32-bit PCI slots (6), Ethernet 10BaseT connector, floppy drive interface, Wide SCSI interfaces (2), parallel port, PS/2 mouse port, serial port, USB connectors (2) NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location Chassis fan power C1 Ethernet 10Base T CN4 connector Auxiliary power C2 Parallel port CN5 Hard drive fan C3 Wide SCSI interface CN6 power (external) System fan power C4 Serial port CN7 Operator panel C5 Wide SCSI interface CN8 connector (internal) Chassis fan power C6 Floppy drive CN9 interface Speaker C7 32-bit PCI slots PC1 - PC6 Keylock C8 CPU slot SL1 PS/2 mouse port CN1 System Management SL2 slot USB connector CN2 RAID slot SL3 USB connector CN3 USER CONFIGURABLE SETTINGS Function Label Position » Factory configured - do not J25 Unidentified alter (video enable/disable) Flash write disabled J23C Pins 1 & 2 closed Flash write enabled J23C Pins 2 & 3 closed BIOS normal operation J23D Pins 1 & 2 closed BIOS recovery mode J23D Pins 2 & 3 closed Boot block disabled J23E Pins 1 & 2 closed Boot block enabled J23E Pins 2 & 3 closed VPD write disabled J23F Pins 1 & 2 closed VPD write enabled J23F Pins 2 & 3 closed » CMOS memory normal operation J23G Pins 1 & 2 closed CMOS memory clear J23G Pins 2 & 3 closed » Factory configured - do not J23H Open alter VIDEO MEMORY CONFIGURATION Size Bank 0 1MB (2) 256K x 16 CPU TYPE SELECTION Type J28A J28B Pentium II Pins 2 & 3 closed Pins 2 & 3 closed Pentium Pro Pins 1 & 2 closed Pins 1 & 2 closed [Image] CONNECTIONS Purpose Location Purpose Location VRM connector VRM1 VRM connector VRM2 USER CONFIGURABLE SETTINGS Function Label Position » Factory configured - do not J8 Unidentified alter DIMM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 8MB (1) 1M x 64 None None None 16MB (1) 2M x 64 None None None 16MB (1) 1M x 64 (1) 1M x 64 None None 24MB (1) 2M x 64 (1) 1M x 64 None None 24MB (1) 1M x 64 (1) 1M x 64 (1) 1M x 64 None 32MB (1) 4M x 64 None None None 32MB (1) 2M x 64 (1) 2M x 64 None None 32MB (1) 1M x 64 (1) 1M x 64 (1) 1M x 64 (1) 1M x 64 40MB (1) 4M x 64 (1) 1M x 64 None None 48MB (1) 4M x 64 (1) 2M x 64 None None 48MB (1) 2M x 64 (1) 2M x 64 (1) 2M x 64 None 64MB (1) 8M x 64 None None None 64MB (1) 4M x 64 (1) 4M x 64 None None 64MB (1) 2M x 64 (1) 2M x 64 (1) 2M x 64 (1) 2M x 64 72MB (1) 8M x 64 (1) 1M x 64 None None 80MB (1) 8M x 64 (1) 2M x 64 None None 96MB (1) 8M x 64 (1) 4M x 64 None None 96MB (1) 4M x 64 (1) 4M x 64 (1) 4M x 64 None 128MB (1) 16M x 64 None None None 128MB (1) 8M x 64 (1) 8M x 64 None None 128MB (1) 4M x 64 (1) 4M x 64 (1) 4M x 64 (1) 4M x 64 136MB (1) 16M x 64 (1) 1M x 64 None None 144MB (1) 16M x 64 (1) 2M x 64 None None 160MB (1) 16M x 64 (1) 4M x 64 None None 192MB (1) 16M x 64 (1) 8M x 64 None None 192MB (1) 8M x 64 (1) 8M x 64 (1) 8M x 64 None 256MB (1) 16M x 64 (1) 16M x 64 None None 256MB (1) 8M x 64 (1) 8M x 64 (1) 8M x 64 (1) 8M x 64 384MB (1) 16M x 64 (1) 16M x 64 (1) 16M x 64 None 512MB (1) 16M x 64 (1) 16M x 64 (1) 16M x 64 (1) 16M x 64 Note: Board accepts EDO memory. CACHE CONFIGURATION Note: 256KB cache is located on the Pentium II CPU. CPU SPEED SELECTION Speed J9 J10 J12 J17 J18 J20 233MHz 2 & 3 Open 2 & 3 Open Closed Closed 266MHz 2 & 3 Open 2 & 3 Open Closed Closed Note: Pins designated should be in the closed position. CPU SPEED SELECTION (CON’T) Speed J27 J28 J29 J30 J38 233MHz Closed Open Open Closed Open 266MHz Closed Closed Closed Open Open Note: Pins designated should be in the closed position. MISCELLANEOUS TECHINCAL NOTE A diagram & jumper settings for the Pentium Pro CPU card is unidentified.