ACER, INC.
EISA 486LXE (MODEL L433S)
| 
 Processor  | 
 80486SX/80487SX/80486DX/ODP486SX/80486DX2  | 
| 
 Processor Speed  | 
 25/33/50(internal)/50/66(internal)MHz  | 
| 
 Chip Set  | 
 SIS  | 
| 
 Max. Onboard DRAM  | 
 128MB  | 
| 
 SRAM Cache  | 
 128/256KB  | 
| 
 BIOS  | 
 Acer  | 
| 
 Dimensions  | 
 220mm x 260mm  | 
| 
 I/O Options  | 
 32-bit VESA card slot  | 
| 
 NPU Options  | 
 4167  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 Power LED & keylock  | 
 CN4/1 - 5  | 
 Turbo switch  | 
 CN4/15 - 17  | 
| 
 Speaker  | 
 CN4/7 - 10  | 
 Reset switch  | 
 CN4/19 & 20  | 
| 
 Turbo LED  | 
 CN4/12 & 13  | 
 32-bit VESA card  | 
 S1  | 
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Jumper  | 
 Position  | |
| » | 
 VESA bus wait states select 0  | 
 JP8  | 
 pins 2 & 3 closed  | 
| 
 VESA bus wait states select 1  | 
 JP8  | 
 pins 1 & 2 closed  | |
| 
 DRAM CONFIGURATION  | ||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
| 
 1MB  | 
 (4) 256K x 9  | 
 NONE  | 
| 
 2MB  | 
 (4) 256K x 9  | 
 (4) 256K x 9  | 
| 
 4MB  | 
 (4) 1M x 9  | 
 NONE  | 
| 
 5MB  | 
 (4) 256K x 9  | 
 (4) 1M x 9  | 
| 
 8MB  | 
 (4) 1M x 9  | 
 (4) 1M x 9  | 
| 
 16MB  | 
 (4) 4M x 9  | 
 NONE  | 
| 
 20MB  | 
 (4) 1M x 9  | 
 (4) 4M x 9  | 
| 
 32MB  | 
 (4) 4M x 9  | 
 (4) 4M x 9  | 
| 
 64MB  | 
 (4) 16M x 9  | 
 NONE  | 
| 
 128MB  | 
 (4) 16M x 9  | 
 (4) 16M x 9  | 
| 
 CPU SPEED CONFIGURATION FOR CH9001 SYSTEM CLOCK CHIP  | |
| 
 CPU Speed  | 
 JP9  | 
| 
 33/66(internal)MHz  | 
 pins 1 & 4 closed  | 
| 
 25/50(internal)MHz  | 
 pins 3 & 6 closed  | 
| 
 40MHz  | 
 pins 1 & 2 and 4 & 5 closed  | 
| 
 50MHz  | 
 pins 2 & 5 closed  | 
| 
 SRAM CONFIGURATION  | |||
| 
 Size  | 
 Cache SRAM  | 
 Location  | 
 Jumpers JP6 & JP7  | 
| 
 128KB  | 
 (4) 32K x 8  | 
 Bank 0  | 
 pins 2 & 3 closed  | 
| 
 256KB  | 
 (8) 32K x 8  | 
 Banks 0 & 1  | 
 pins 1 & 2 closed  |