ACER, INC.
V433S
Processor |
CX486S/80486SX/80486DX/80486DX2 |
Processor Speed |
25/33/40/50(internal)/50/66(internal)MHz |
Chip Set |
SIS |
Max. Onboard DRAM |
32MB |
Cache |
128/256KB |
BIOS |
AMI |
Dimensions |
254mm x 220mm |
I/O Options |
32-bit VESA local bus slots (2) |
NPU Options |
None |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
Power LED & keylock |
JP2 (pins 1 - 5) |
Turbo switch |
JP2 (pins 15 - 17) |
Speaker |
JP2 (pins 6 - 10) |
Reset switch |
JP2 (pins 19 - 20) |
Turbo LED |
JP2 (pins 12 - 13) |
32-bit VESA local bus slots |
SL1 & SL2 |
USER CONFIGURABLE SETTINGS | |||
Function |
Jumper |
Position | |
|
CMOS memory normal operation |
J1 |
Open |
CMOS memory clear |
J1 |
pins 2 & 3 closed | |
|
Fast A20 select CMOS configuration |
JP20 |
pins 2 & 3 closed |
Fast A20 select keyboard |
JP20 |
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 |
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
8MB |
(4) 2M x 9 |
NONE |
16MB |
(4) 4M x 9 |
NONE |
20MB |
(4) 1M x 9 |
(4) 4M x 9 |
32MB |
(4) 4M x 9 |
(4) 4M x 9 |
CACHE CONFIGURATION | |||
Size |
Bank 0 |
Bank 1 |
TAG |
128KB |
(4) 32K x 8 |
NONE |
(1) 8K x 8 |
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 32K x 8 |
CACHE JUMPER CONFIGURATION | ||
Size |
JP9 |
JP10 |
128KB |
pins 1 & 2 closed |
pins 1 & 2 closed |
256KB |
pins 2 & 3 closed |
pins 2 & 3 closed |
CPU SPEED CONFIGURATION | |
Speed |
JP7 |
25MHz |
pins 5 & 6 closed |
33MHz |
pins 1 & 2 closed |
40MHz |
pins 1 & 2, 3 & 4 closed |
50iMHz |
pins 5 & 6 closed |
50MHz |
pins 3 & 4 closed |
66iMHz |
pins 1 & 2 closed |