ADVANCED LOGIC RESEARCH, INC.
EVOLUTION IV 4/33 ISA VERSION
Processor |
80486SX/80487SX/80486DX/80486DX2 |
Processor Speed |
20/25/33/40/50(internal)/66(internal)MHz |
Chip Set |
Intel |
Max. Onboard DRAM |
52MB |
Cache |
None |
BIOS |
Phoenix |
Dimensions |
356mm x 318mm |
I/O Options |
32-Bit VESA local bus slots (2), external cache card slot, floppy drive interface, hard drive interface, parallel port, PS/2 mouse port, serial ports (2) |
NPU Options |
None |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
Parallel port |
CN1 |
Floppy drive interface |
CN5 |
Serial port 1 |
CN2 |
Hard drive interface |
CN6 |
Serial port 2 |
CN3 |
32-bit VESA local bus slots |
S1 & S2 |
PS/2 mouse port |
CN4 |
External cache card slot |
S3 |
DRAM CONFIGURATION | ||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
4MB |
(8) 1M x 4 |
NONE |
NONE |
NONE |
8MB |
(8) 1M x 4 |
(1) 1M x 36 |
NONE |
NONE |
12MB |
(8) 1M x 4 |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
16MB |
(8) 1M x 4 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
20MB |
(8) 1M x 4 |
(1) 4M x 36 |
NONE |
NONE |
24MB |
(8) 1M x 4 |
(1) 1M x 36 |
(1) 4M x 36 |
NONE |
36MB |
(8) 1M x 4 |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
40MB |
(8) 1M x 4 |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
52MB |
(8) 1M x 4 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
CPU TYPE CONFIGURATION | ||
Type |
PS0 |
PS1 |
80486SX |
pins 2 & 3 closed |
pins 1 & 2 closed |
80487SX |
pins 2 & 3 closed |
pins 2 & 3 closed |
80486DX |
pins 1 & 2 closed |
pins 2 & 3 closed |
80486DX2 |
pins 1 & 2 closed |
pins 2 & 3 closed |
No PGA installed |
pins 1 & 2 closed |
pins 1 & 2 closed |
CPU SPEED CONFIGURATION | ||
Speed |
FS0 |
FS1 |
20MHz |
pins 1 & 2 closed |
pins 1 & 2 closed |
25MHz |
pins 2 & 3 closed |
pins 1 & 2 closed |
33MHz |
pins 1 & 2 closed |
pins 2 & 3 closed |
40MHz |
pins 2 & 3 closed |
pins 2 & 3 closed |
50iMHz |
pins 2 & 3 closed |
pins 1 & 2 closed |
66iMHz |
pins 1 & 2 closed |
pins 2 & 3 closed |