PACKARD BELL PB300/PB320 (REV. B) Processor 80386SX Processor Speed 25MHz Chip Set ACC Max. onboard DRAM 5MB Cache None BIOS Phoenix Dimensions 230mm x 220mm I/O Options Fax/modem daughterboard, floppy drive interface, game port, IDE interface, parallel port, PS/2 keyboard port, PS/2 mouse port, serial port, VGA port NPU Options 80387SX [Image] CONNECTIONS Purpose Location Purpose Location External battery JBT Parallel port JLPT Serial port JCOM2 Proprietary modem JMOD daughterboard Floppy drive JFDD PS/2 keyboard JPKB interface Game port JGAM PS/2 mouse JPMS IDE interface JHDD VGA port JVGA IDE interface LED JHDI Riser card S1 Front panel JIND connector USER CONFIGURABLE SETTINGS Function Jumper/Switch Position » Onboard floppy drive JFDC pins 1 & 2 interface enabled closed Onboard floppy drive JFDC pins 2 & 3 interface disabled closed » Onboard Game port disabled JGAMS pins 1 & 2 closed Onboard Game port enabled JGAMS pins 2 & 3 closed » Onboard IDE interface JHDC pins 1 & 2 enabled closed Onboard IDE interface JHDC pins 2 & 3 disabled closed » PS/2 mouse port enabled JMRQ Closed (IRQ12) PS/2 mouse port disabled JMRQ Open » Pipeline mode disabled JPIP Open Pipeline mode enabled JPIP Closed » Monitor type select color JVD pins 2 & 3 closed Monitor type select JVD pins 1 & 2 monochrome closed ONBOARD VIDEO CONFIGURATION Onboard Video IRQ JVGAS JVRQ » Enabled IRQ9 pins 1 & 2 Closed closed Enabled None pins 1 & 2 Open closed Disabled N/A pins 2 & 3 N/A closed SERIAL PORT CONFIGURATION Modem Port B ISA JC13 JC24 JMOD (JMOD) (JCOM2) Modem Disabled COM2 None N/A pins 1 Closed & 2 Disabled COM2 COM1 pins 2 pins 1 Closed & 3 & 2 Disabled COM2 COM3 pins 1 pins 1 Closed & 2 & 2 COM1 COM2 None pins 1 pins 1 Daughterboard & 2 & 2 COM3 COM2 None pins 2 pins 1 Daughterboard & 3 & 2 Disabled COM4 None N/A pins 2 Closed & 3 Disabled COM4 COM1 pins 2 pins 2 Closed & 3 & 3 Disabled COM4 COM3 pins 1 pins 2 Closed & 2 & 3 COM1 COM4 None pins 1 pins 2 Daughterboard & 2 & 3 COM3 COM4 None pins 2 pins 2 Daughterboard & 3 & 3 Note: JMOD is closed using a special jumper, JMODJ, that connects pins 10 and 11. Permanent damage to the board will occur if the JMODJ jumper is installed improperly. Pins designated should be in the closed position. PARALLEL PORT CONFIGURATION LPT IRQ JLPS JLRQ » LPT1 IRQ7 pins 1 & 2 pins 2 & 3 closed closed LPT1 IRQ5 pins 1 & 2 pins 1 & 2 closed closed LPT2 IRQ7 pins 2 & 3 pins 2 & 3 closed closed LPT2 IRQ5 pins 2 & 3 pins 1 & 2 closed closed DRAM CONFIGURATION Size Bank 0 Bank 1 512KB (2) 256K x 9 NONE 1MB (2) 256K x 9 (2) 256K x 9 2MB (2) 1M x 9 NONE 2.5MB (2) 1M x 9 (2) 256K x 9 4MB (2) 1M x 9 (2) 1M x 9 8MB (2) 4M x 9 NONE 12MB (2) 4M x 9 (2) 1M x 9 16MB (2) 4M x 9 (2) 4M x 9 Note:256K x 9 SIMMs may not be supported on certain boards. Board contains traces for additional SIMM banks. Additional SIMM sockets will not function if installed. A few boards had all 8 SIMM sockets factory installed, in which case BANKS 2 & 3 are non-functional.