NEC TECHNOLOGIES, INC. PowerMate Image 486SX/25i, 486/33i Processor 80486SX/80486DX Processor Speed 25/33MHz Chip Set OPTI Max. Onboard DRAM 36MB Cache 64/128KB (on optional cache module) BIOS NEC (Flash EEPROM) Dimensions 330mm x 218mm I/O Options Bus mouse port, floppy drive interface, headphone jack, IDE interface, microphone jack, parallel port, proprietary cache module socket, proprietary VGA feature card socket, serial ports (2), VGA port NPU Options 4167 [Image] CONNECTIONS Purpose Location Purpose Location Proprietary cache CA1 External battery JP8 module Floppy drive J1 Parallel port P1 interface IDE interface J2 Serial port 1 P2 Proprietary VGA J3 VGA port P4 feature card Drive power J6 Serial port 2 P5 (optional) IDE interface LED JP2 Indicator panel P6 (not used) assembly Speaker (not used) JP6 Riser Card R1 Note: The bus mouse port, headphone jack, and microphone jack are connected to the main board via the indicator panel assembly connector (P6). USER CONFIGURABLE SETTINGS Function Jumper/Switch Position » Parallel port (P1) interrupt JP7 pins 2 & 3 select IRQ7 closed Parallel port (P1) interrupt JP7 pins 1 & 2 select IRQ5 closed » JP9 pins 1 & 2 closed CPU type select 80486DX/33MHz JP9 pins 2 & 3 closed » On board video enabled SW1/1 Off On board video disabled SW1/1 On » Floppy drive interface enabled SW1/2 Off Floppy drive interface SW1/2 On disabled » Password enabled SW1/3 Off Password disabled SW1/3 On » BIOS flash reprogramming SW1/4 Off enabled BIOS flash reprogramming SW1/4 On disabled » Factory configured - do not SW2 Open alter DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 4MB 4MB NONE NONE 8MB 4MB (4) 1M x 9 NONE 12MB 4MB (4) 1M x 9 (4) 1M x 9 20MB 4MB (4) 4M x 9 NONE 24MB 4MB (4) 1M x 9 (4) 4M x 9 36MB 4MB (4) 4M x 9 (4) 4M x 9 Note: Bank 0 is factory installed and is not configurable. The location of bank 0 is unidentified.