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 |