VISIONEX
GREEN-B [4GPV3] MOTHERBOARD
Processor |
CX486M6/80486SX/80487SX/CX486M7/AM486DX/80486DX/ AM486DX2/80486DX2/P24C/P24T |
Processor Speed |
25/33/40/50(internal)/50/66(internal)MHz |
Chip Set |
Unidentified |
Video Chip Set |
None |
Maximum Onboard Memory |
128MB |
Maximum Video Memory |
None |
Cache |
64/128/256KB |
BIOS |
AMI/Award/MR |
Dimensions |
254mm x 218mm |
I/O Options |
32-bit VESA local bus slots (2), green PC connector |
NPU Options |
None |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
Turbo LED |
JP10 |
Green PC LED |
JP39 |
Speaker |
JP11 |
Green PC connector |
JP40 |
Power LED & keylock |
JP13 |
Green PC connector |
JP41 |
Reset switch |
JP15 |
Turbo switch |
JP95 |
External battery |
JP17 |
32-bit VESA local bus slots |
SL1 & SL2 |
USER CONFIGURABLE SETTINGS | |||
Function |
Label |
Position | |
PQFP CPU disabled |
JP1 |
Closed | |
PQFP CPU enabled |
JP1 |
Open | |
|
CMOS memory normal operation |
JP16 |
Pins 1 & 2 closed |
CMOS memory clear |
JP16 |
Pins 2 & 3 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 |
5MB |
(4) 1M x 9 |
(4) 256K x 9 |
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
16MB |
(4) 4M x 9 |
None |
17MB |
(4) 256K x 9 |
(4) 4M x 9 |
17MB |
(4) 4M x 9 |
(4) 256K x 9 |
20MB |
(4) 1M x 9 |
(4) 4M x 9 |
20MB |
(4) 4M x 9 |
(4) 1M x 9 |
32MB |
(4) 4M x 9 |
(4) 4M x 9 |
64MB |
(4) 16M x 9 |
None |
65MB |
(4) 256K x 9 |
(4) 16M x 9 |
65MB |
(4) 16M x 9 |
(4) 256K x 9 |
68MB |
(4) 1M x 9 |
(4) 16M x 9 |
68MB |
(4) 16M x 9 |
(4) 1M x 9 |
80MB |
(4) 4M x 9 |
(4) 16M x 9 |
80MB |
(4) 16M x 9 |
(4) 4M x 9 |
128MB |
(4) 16M x 9 |
(4) 16M x 9 |
CACHE CONFIGURATION | |||
Size |
Bank 0 |
Bank 1 |
TAG |
64KB |
(4) 8K x 8 |
(4) 8K x 8 |
(1) 8K x 8 |
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 |
JP7 |
JP8 |
64KB |
Pins 2 & 3 closed |
Pins 2 & 4 closed |
128KB |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
256KB |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
CPU SPEED SELECTION | ||||||||
Speed |
ID3 |
JP5 |
JP5A |
JP33 |
JP36 |
JP37 |
JP38 |
JP72 |
25MHz |
Open |
2 & 3 |
4 & 5 |
2 & 4 |
Closed |
1 & 2 |
2 & 3 |
Closed |
33MHz |
Open |
2 & 3 |
4 & 5 |
2 & 4 |
Closed |
2 & 3 |
1 & 2 |
Open |
40MHz |
Closed |
1 & 2 |
3 & 5 |
2 & 3 |
Open |
1 & 2 |
2 & 3 |
Open |
50iMHz |
Open |
2 & 3 |
4 & 5 |
2 & 4 |
Closed |
1 & 2 |
2 & 3 |
Closed |
50MHz |
Closed |
1 & 2 |
N/A |
1 & 2 |
Open |
2 & 3 |
1 & 2 |
Open |
66iMHz |
Open |
2 & 3 |
4 & 5 |
2 & 4 |
Closed |
2 & 3 |
1 & 2 |
Open |
Note: Pins designated should be in the closed position. If using a PGA CPU, use JP5 settings. If a PQFP CPU is installed, use JP5A settings. |
CPU TYPE SELECTION | |||
Type |
JP2 |
JP3 |
JP4 |
80486SX (PQFP) |
Open |
Open |
Open |
80486SX (PGA) |
Pins 2 & 3 closed |
Open |
Open |
80487SX |
Pins 1 & 2, 3 & 4 closed |
Pins 1 & 2 closed |
Closed |
80486DX |
Pins 1 & 2, 3 & 4 closed |
Pins 2 & 3 closed |
Open |
80486DX2 |
Pins 1 & 2, 3 & 4 closed |
Pins 2 & 3 closed |
Open |
P24C |
Pins 1 & 2, 3 & 4 closed |
Pins 1 & 2 closed |
Closed |
P24T |
Pins 1 & 2, 3 & 4 closed |
Pins 1 & 2 closed |
Closed |
Note: The location of the PQFP is unidentified. |
CPU TYPE SELECTION | |
Type |
JP2A |
Cyrix |
Pins 2 & 3 closed |
AMD |
Pins 1 & 2 closed |
Intel |
Pins 1 & 2 closed |
VL BUS WAIT STATE SELECTION | |
Setting |
ID2 |
0 |
Open |
1 |
Closed |