ACER AMERICA CORPORATION 1100 16/20 Processor 80386SX Processor Speed 16/20MHz Chip Set Unidentified Video Chip Set None Maximum Onboard Memory 2MB Maximum Video Memory None Cache None BIOS Unidentified Dimensions 330mm x 218mm I/O Options None NPU Options 80387SX [Image] CONNECTIONS Purpose Location External battery CN1 USER CONFIGURABLE SETTINGS Function Label Position Monitor type select MDA/MGA/EGA SW1/5 Off Monitor type select CGA SW1/5 On DRAM CONFIGURATION Note: Board is shipped with 2MB. The orientation and bank location is unidentified. DRAM SWITCH CONFIGURATION Setting SW1/7 SW1/8 Mode 3 Off On Mode 4 Off Off Note: BIOS resides in ROM in mode 3. In mode 4, it is transferred to RAM. CPU SPEED SELECTION Speed SW1/6 Smart mode On 16MHz Off 20MHz Off Note: If smart mode is used, system will automatically switch from 16MHz/20MHz to 8MHz. NPU TYPE SELECTION Type JP6 JP7 JP8 80387SX installed Pins 1 & 2 Pins 1 & 2 Pins 2 & 3 closed closed closed 80387SX not Pins 2 & 3 Pins 2 & 3 Pins 1 & 2 installed closed closed closed BIOS SELECTION Type JP5 SW1/1 SW1/2 SW1/3 SW1/4 27128 2 & 3 On On Off Off 27256 2 & 3 Off Off On On 27512 1 & 2 Off Off On On Note: Pins designated should be in the closed position. MISCELLANEOUS TECHNICAL NOTE Note: The location of pin 1 on the jumpers and switch are unidentified.