PACKARD BELL PB 386-25 (REVISION D) Processor 80386DX Processor Speed 25MHz Chip Set Intel Max. onboard DRAM 8MB Cache None BIOS Phoenix Dimensions 330mm x 240mm I/O Options 32-bit expansion slots (2), parallel port, serial ports (2) NPU Options 80387/3167 [Image] CONNECTIONS Purpose Location Purpose Location Parallel port J10A Reset switch J18 Serial port 1 (9 J10B/pins 1-10 Speaker J19 pin) Serial port 2 (9 J10B/pins Keylock J20 pin) 11-20 Serial port 2 J10C 32-bit expansion S1 & S2 (25 pin) slots Note: J10C is a 25-pin version of serial port 2 (J10B pins 11-20). Either connector may be used, but not both. USER CONFIGURABLE SETTINGS Function Jumper Position » Printer acknowledge trailing edge JP1 pins 2 & 3 closed Printer acknowledge leading edge JP1 pins 1 & 2 closed » NPU disabled JP6 pins 2 & 3 closed NPU enabled JP6 pins 1 & 2 closed » Keyboard reset disabled JP7 pins 2 & 3 closed Keyboard reset enabled JP7 pins 1 & 2 closed » System type select DOS JP8 pins 2 & 3 closed System type select UNIX JP8 pins 1 & 2 closed » Monitor type select color JP9 pins 2 & 3 closed Monitor type select monochrome JP9 pins 1 & 2 closed » BIOS type select 2764 JP10 pins 1 & 2 closed BIOS type select 27128 JP10 pins 2 & 3 closed SERIAL PORT CONFIGURATION Port 1 (J10B/1-10) Port 2 (J10B/11-20 or JP4 JP5 J10C) » COM1/IRQ4 COM2/IRQ3 pins 1 & pins 1 & 2 2 COM1/IRQ4 Disabled pins 1 & pins 2 & 2 3 Disabled COM2/IRQ3 pins 2 & pins 1 & 3 2 Disabled Disabled pins 2 & pins 2 & 3 3 Note: Pins designated should be in the closed position. PARALLEL PORT (J10A) CONFIGURATION LPT JP2 JP3 » LPT1 pins 1 & 2 closed pins 2 & 3 closed LPT2 pins 2 & 3 closed pins 1 & 2 closed Disabled pins 2 & 3 closed pins 2 & 3 closed DRAM CONFIGURATION Size Bank 0 Bank 1 JP17 JP18 JP13A JP13B 1MB (4) NONE pins 1 pins 1 Open Open 256K x & 2 & 2 9 2MB (4) (4) pins 1 pins 1 Open Closed 256K x 256K x & 2 & 2 9 9 4MB (4) 1M NONE pins 2 pins 2 Closed Open x 9 & 3 & 3 8MB (4) 1M (4) 1M pins 2 pins 2 Closed Closed x 9 x 9 & 3 & 3 Note: Pins designated should be in the closed position. RAM TYPE CONFIGURATION Type JP11 JP12 RAS/CAS Open Open » Fast Paged Closed Closed Static Column Open Closed RAM SPEED CONFIGURATION Speed JP15 JP16 100ns or faster pins 1 & 2 closed pins 1 & 2 closed Slower than 100ns pins 2 & 3 closed pins 2 & 3 closed