VISIONEX
GREEN-A [4GPV4] 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 |
256/512/1024KB |
|
BIOS |
AMI/Award/MR |
|
Dimensions |
254mm x 218mm |
|
I/O Options |
32-bit VESA local bus slots (3), green PC connector |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
External battery |
JP2 |
Turbo switch |
JP19 |
|
Green PC connector |
JP3 |
Green PC connector |
JP20 |
|
Power LED & keylock |
JP16 |
Turbo LED |
JP21 |
|
Speaker |
JP17 |
Reset switch |
JP26 |
|
Green PC LED |
JP18 |
32-bit VESA local bus slots |
SL1 - SL3 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Label |
Position | |
|
|
CMOS memory normal operation |
JP1 |
Pins 1 & 2 closed |
|
CMOS memory clear |
JP1 |
Pins 2 & 3 closed | |
|
Jumper information unavailable |
JP4 |
Unidentified | |
|
Flash BIOS voltage select 12v |
JP5 |
Pins 2 & 3 closed | |
|
Flash BIOS voltage select 5v |
JP5 |
Pins 1 & 2 closed | |
|
Turbo enabled |
JP19 |
Open | |
|
Turbo disabled |
JP19 |
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 |
|
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 32K x 8 |
|
512KB |
(4) 128K x 8 |
None |
(1) 32K x 8 |
|
1MB |
(4) 128K x 8 |
(4) 128K x 8 |
(1) 128K x 8 |
|
Note: The location of banks 0 & 1 are unidentified. | |||
|
CACHE JUMPER CONFIGURATION | ||
|
Size |
JP11 |
JP12 |
|
256KB |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
512KB |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
|
1MB |
Pins 2 & 4 closed |
Pins 2 & 3 closed |
|
CPU SPEED SELECTION | |||||||
|
Speed |
JP13 |
JP22 |
JP27 |
JP28 |
JP60 |
JP61 |
JP62 |
|
25MHz |
Closed |
Open |
2 & 4 |
2 & 3 |
Closed |
1 & 2 |
2 & 3 |
|
33MHz |
Open |
Open |
2 & 4 |
2 & 3 |
Closed |
2 & 3 |
1 & 2 |
|
40MHz |
Open |
Closed |
2 & 3 |
1 & 2 |
Open |
1 & 2 |
2 & 3 |
|
50iMHz |
Closed |
Open |
2 & 4 |
2 & 3 |
Closed |
1 & 2 |
2 & 3 |
|
50MHz |
Open |
Closed |
1 & 2 |
1 & 2 |
Open |
2 & 3 |
1 & 2 |
|
66iMHz |
Open |
Open |
2 & 4 |
2 & 3 |
Closed |
2 & 3 |
1 & 2 |
|
Note: Pins designated should be in the closed position. | |||||||
|
CPU TYPE SELECTION | |||
|
Type |
JP8 |
JP9 |
JP10 |
|
80486SX |
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 |
|
CPU TYPE SELECTION | |
|
Type |
JP15 |
|
Cyrix |
Pins 2 & 3 closed |
|
AMD |
Pins 1 & 2 closed |
|
Intel |
Pins 1 & 2 closed |
|
VL BUS WAIT STATE SELECTION | |
|
Setting |
JP23 |
|
0 |
Open |
|
1 |
Closed |