ACER AMERICA CORPORATION
VI7
Processor | 80486SX/AM486DX/CX486DX/80486DX/AM486DX2/CX486DX2/80486DX2/ Pentium Overdrive/Pentium |
Processor Speed | 25/33/40/50(internal)/50/60/66(internal)/66MHz |
Chip Set | OPTI |
Max. Onboard DRAM | 128MB |
Cache | 256/512KB |
BIOS | AMI |
Dimensions | 330mm x 218mm |
I/O Options | 32-bit VESA local bus slots (2) |
NPU Options | None |

CONNECTIONS | |||
Purpose | Location | Purpose | Location |
External battery | BA2 | Turbo switch | J2 (pins 15 - 17) |
Power LED & keylock | J2 (pins 1 - 5) | Reset switch | J2 (pins 19 - 20) |
Speaker | J2 (pins 6 - 10) | 32-bit VESA local bus slots | SL1 & SL2 |
Turbo LED | J2 (pins 12 - 13) | ||
USER CONFIGURABLE SETTINGS | |||
Function | Jumper | Position | |
» | Factory configured - do not alter | JP3 | Open |
» | Factory configured - do not alter | JP7 | Open |
» | Factory configured - do not alter | JP14 | pins 1 & 2 closed |
» | CMOS memory normal operation | JP27 | pins 2 & 3 closed |
CMOS memory clear | JP27 | pins 1 & 2 closed | |
DRAM CONFIGURATION | ||||
Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
2MB | (1) 512K x 36 | NONE | NONE | NONE |
4MB | (1) 512K x 36 | (1) 512K x 36 | NONE | NONE |
4MB | (1) 1M x 36 | NONE | NONE | NONE |
4MB | NONE | NONE | NONE | (4) 1M x 9 |
6MB | (1) 512K x 36 | (1) 512K x 36 | (1) 512K x 36 | NONE |
6MB | (1) 512K x 36 | (1) 1M x 36 | NONE | NONE |
8MB | (1) 1M x 36 | (1) 1M x 36 | NONE | NONE |
8MB | (1) 2M x 36 | NONE | NONE | NONE |
8MB | NONE | (1) 1M x 36 | NONE | (4) 1M x 9 |
10MB | (1) 512K x 36 | (1) 2M x 36 | NONE | NONE |
12MB | (1) 512K x 36 | (1) 512K x 36 | (1) 2M x 36 | NONE |
12MB | (1) 1M x 36 | (1) 2M x 36 | NONE | NONE |
12MB | NONE | (1) 2M x 36 | NONE | (4) 1M x 9 |
14MB | (1) 512K x 36 | (1) 1M x 36 | (1) 2M x 36 | NONE |
16MB | (1) 1M x 36 | (1) 1M x 36 | (1) 2M x 36 | NONE |
16MB | (1) 2M x 36 | (1) 2M x 36 | NONE | NONE |
16MB | (1) 4M x 36 | NONE | NONE | NONE |
16MB | NONE | (1) 1M x 36 | (1) 2M x 36 | (4) 1M x 9 |
16MB | NONE | NONE | NONE | (4) 4M x 9 |
18MB | (1) 512K x 36 | (1) 2M x 36 | (1) 2M x 36 | NONE |
18MB | (1) 512K x 36 | (1) 2M x 36 | (1) 2M x 36 | NONE |
20MB | (1) 1M x 36 | (1) 2M x 36 | (1) 2M x 36 | NONE |
20MB | (1) 1M x 36 | (1) 4M x 36 | NONE | NONE |
20MB | NONE | (1) 2M x 36 | (1) 2M x 36 | (4) 1M x 9 |
20MB | NONE | (1) 4M x 36 | NONE | (4) 1M x 9 |
24MB | (1) 2M x 36 | (1) 2M x 36 | (1) 2M x 36 | NONE |
24MB | (1) 2M x 36 | (1) 4M x 36 | NONE | NONE |
24MB | (1) 1M x 36 | (1) 2M x 36 | (1) 2M x 36 | (4) 1M x 9 |
24MB | (1) 1M x 36 | (1) 4M x 36 | NONE | (4) 1M x 9 |
32MB | (1) 4M x 36 | (1) 4M x 36 | NONE | NONE |
32MB | (1) 8M x 36 | NONE | NONE | NONE |
32MB | NONE | (1) 4M x 36 | NONE | (4) 4M x 9 |
DRAM CONFIGURATION (CON’T) | ||||
Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
34MB | (1) 512K x 36 | (1) 8M x 36 | NONE | NONE |
36MB | (1) 512K x 36 | (1) 2M x 36 | (1) 8M x 36 | NONE |
36MB | (1) 1M x 36 | (1) 8M x 36 | NONE | NONE |
36MB | NONE | (1) 8M x 36 | NONE | (4) 1M x 9 |
38MB | (1) 512K x 36 | (1) 1M x 36 | (1) 8M x 36 | NONE |
40MB | (1) 1M x 36 | (1) 1M x 36 | (1) 8M x 36 | NONE |
40MB | (1) 2M x 36 | (1) 8M x 36 | NONE | NONE |
40MB | NONE | (1) 1M x 36 | (1) 8M x 36 | (4) 1M x 9 |
42MB | (1) 512K x 36 | (1) 2M x 36 | (1) 8M x 36 | NONE |
44MB | (1) 1M x 36 | (1) 2M x 36 | (1) 8M x 36 | NONE |
44MB | NONE | (1) 2M x 36 | (1) 8M x 36 | (4) 1M x 9 |
48MB | (1) 2M x 36 | (1) 2M x 36 | (1) 8M x 36 | NONE |
48MB | (1) 4M x 36 | (1) 8M x 36 | NONE | NONE |
48MB | NONE | (1) 8M x 36 | NONE | (4) 1M x 9 |
48MB | (1) 1M x 36 | (1) 2M x 36 | (1) 8M x 36 | (4) 1M x 9 |
50MB | (1) 512K x 36 | (1) 4M x 36 | (1) 8M x 36 | NONE |
52MB | (1) 1M x 36 | (1) 4M x 36 | (1) 8M x 36 | NONE |
52MB | NONE | (1) 4M x 36 | (1) 8M x 36 | (4) 1M x 9 |
56MB | (1) 2M x 36 | (1) 4M x 36 | (1) 8M x 36 | NONE |
56MB | (1) 1M x 36 | (1) 4M x 36 | (1) 8M x 36 | (4) 1M x 9 |
64MB | (1) 4M x 36 | (1) 4M x 36 | (1) 8M x 36 | NONE |
64MB | (1) 8M x 36 | (1) 8M x 36 | NONE | NONE |
64MB | NONE | (1) 4M x 36 | (1) 8M x 36 | (4) 4M x 9 |
64MB | NONE | NONE | NONE | (4) 16M x 9 |
66MB | (1) 512K x 36 | (1) 8M x 36 | (1) 8M x 36 | NONE |
68MB | (1) 1M x 36 | (1) 8M x 36 | (1) 8M x 36 | NONE |
68MB | NONE | (1) 8M x 36 | (1) 8M x 36 | (4) 1M x 9 |
72MB | (1) 1M x 36 | (1) 8M x 36 | (1) 8M x 36 | (4) 1M x 9 |
80MB | (1) 4M x 36 | (1) 8M x 36 | (1) 8M x 36 | NONE |
80MB | NONE | (1) 8M x 36 | (1) 8M x 36 | (4) 4M x 9 |
96MB | (1) 8M x 36 | (1) 8M x 36 | (1) 8M x 36 | NONE |
96MB | NONE | (1) 8M x 36 | NONE | (4) 16M x 9 |
96MB | (1) 4M x 36 | (1) 8M x 36 | (1) 8M x 36 | (4) 4M x 9 |
128MB | NONE | (1) 8M x 36 | (1) 8M x 36 | (4) 16M x 9 |
DRAM JUMPER CONFIGURATION | ||||
Size | JP13 | JP15 | JP16 | JP17 |
2MB | pins 2 & 3, 4 & 5 closed | pins 1 & 2 closed | pins 1 & 2 closed | pins 1 & 2 closed |
4MB | pins 2 & 3, 4 & 5 closed | pins 1 & 2 closed | pins 1 & 2 closed | pins 1 & 2 closed |
4MB | pins 2 & 3, 4 & 5 closed | pins 1 & 2 closed | pins 1 & 2 closed | pins 1 & 2 closed |
4MB | pins 2 & 3, 4 & 5 closed | NONE | NONE | pins 1 & 2 closed |
6MB | pins 2 & 3, 4 & 5 closed | pins 1 & 2 closed | pins 1 & 2 closed | pins 1 & 2 closed |
6MB | pins 2 & 3, 4 & 5 closed | pins 1 & 2 closed | pins 1 & 2 closed | pins 1 & 2 closed |
8MB | pins 2 & 3, 4 & 5 closed | pins 1 & 2 closed | pins 1 & 2 closed | pins 1 & 2 closed |
8MB | pins 2 & 3, 4 & 5 closed | pins 1 & 2 closed | pins 1 & 2 closed | pins 1 & 2 closed |
8MB | pins 2 & 3, 4 & 5 closed | NONE | NONE | pins 1 & 2 closed |
10MB | pins 2 & 3, 4 & 5 closed | pins 1 & 2 closed | pins 1 & 2 closed | pins 1 & 2 closed |
12MB | pins 2 & 3, 4 & 5 closed | pins 1 & 2 closed | pins 1 & 2 closed | pins 1 & 2 closed |
12MB | pins 2 & 3, 4 & 5 closed | pins 1 & 2 closed | pins 1 & 2 closed | pins 1 & 2 closed |
12MB | pins 2 & 3, 4 & 5 closed | NONE | NONE | pins 1 & 2 closed |
14MB | pins 2 & 3, 4 & 5 closed | pins 1 & 2 closed | pins 1 & 2 closed | pins 1 & 2 closed |
16MB | pins 2 & 3, 4 & 5 closed | pins 1 & 2 closed | pins 1 & 2 closed | pins 1 & 2 closed |
16MB | pins 2 & 3, 4 & 5 closed | pins 1 & 2 closed | pins 1 & 2 closed | pins 1 & 2 closed |
16MB | pins 2 & 3, 4 & 5 closed | pins 1 & 2 closed | pins 1 & 2 closed | pins 1 & 2 closed |
16MB | pins 2 & 3, 4 & 5 closed | NONE | NONE | pins 1 & 2 closed |
16MB | pins 2 & 3, 4 & 5 closed | NONE | NONE | pins 1 & 2 closed |
18MB | pins 2 & 3, 4 & 5 closed | pins 1 & 2 closed | pins 1 & 2 closed | pins 1 & 2 closed |
18MB | pins 2 & 3, 4 & 5 closed | pins 1 & 2 closed | pins 1 & 2 closed | pins 1 & 2 closed |
20MB | pins 2 & 3, 4 & 5 closed | pins 1 & 2 closed | pins 1 & 2 closed | pins 1 & 2 closed |
20MB | pins 2 & 3, 4 & 5 closed | pins 1 & 2 closed | pins 1 & 2 closed | pins 1 & 2 closed |
20MB | pins 2 & 3, 4 & 5 closed | NONE | NONE | pins 1 & 2 closed |
20MB | pins 2 & 3, 4 & 5 closed | NONE | NONE | pins 1 & 2 closed |
24MB | pins 2 & 3, 4 & 5 closed | pins 1 & 2 closed | pins 1 & 2 closed | pins 1 & 2 closed |
24MB | pins 2 & 3, 4 & 5 closed | pins 1 & 2 closed | pins 1 & 2 closed | pins 1 & 2 closed |
24MB | pins 2 & 3, 4 & 5 closed | NONE | pins 2 & 3 closed | pins 1 & 2 closed |
24MB | pins 2 & 3, 4 & 5 closed | NONE | pins 2 & 3 closed | pins 1 & 2 closed |
32MB | pins 2 & 3, 4 & 5 closed | pins 1 & 2 closed | pins 1 & 2 closed | pins 1 & 2 closed |
32MB | pins 2 & 3, 4 & 5 closed | pins 1 & 2 closed | pins 1 & 2 closed | pins 1 & 2 closed |
32MB | pins 2 & 3, 4 & 5 closed | NONE | NONE | pins 1 & 2 closed |
34MB | pins 2 & 3, 4 & 5 closed | pins 1 & 2 closed | pins 1 & 2 closed | pins 1 & 2 closed |
36MB | pins 2 & 3, 4 & 5 closed | pins 1 & 2 closed | pins 1 & 2 closed | pins 1 & 2 closed |
36MB | pins 2 & 3, 4 & 5 closed | pins 1 & 2 closed | pins 1 & 2 closed | pins 1 & 2 closed |
36MB | pins 2 & 3, 4 & 5 closed | NONE | NONE | pins 1 & 2 closed |
38MB | pins 2 & 3, 4 & 5 closed | pins 1 & 2 closed | pins 1 & 2 closed | pins 1 & 2 closed |
40MB | pins 2 & 3, 4 & 5 closed | pins 1 & 2 closed | pins 1 & 2 closed | pins 1 & 2 closed |
40MB | pins 2 & 3, 4 & 5 closed | pins 1 & 2 closed | pins 1 & 2 closed | pins 1 & 2 closed |
40MB | pins 2 & 3, 4 & 5 closed | NONE | NONE | pins 1 & 2 closed |
DRAM JUMPER CONFIGURATION (CON’T) | ||||
Size | JP13 | JP15 | JP16 | JP17 |
42MB | pins 2 & 3, 4 & 5 closed | pins 1 & 2 closed | pins 1 & 2 closed | pins 1 & 2 closed |
44MB | pins 2 & 3, 4 & 5 closed | pins 1 & 2 closed | pins 1 & 2 closed | pins 1 & 2 closed |
44MB | pins 2 & 3, 4 & 5 closed | Open | Open | pins 1 & 2 closed |
48MB | pins 2 & 3, 4 & 5 closed | pins 1 & 2 closed | pins 1 & 2 closed | pins 1 & 2 closed |
48MB | pins 2 & 3, 4 & 5 closed | pins 1 & 2 closed | pins 1 & 2 closed | pins 1 & 2 closed |
48MB | pins 2 & 3, 4 & 5 closed | Open | Open | pins 1 & 2 closed |
48MB | pins 2 & 3, 4 & 5 closed | Open | pins 2 & 3 closed | pins 1 & 2 closed |
50MB | pins 2 & 3, 4 & 5 closed | pins 1 & 2 closed | pins 1 & 2 closed | pins 1 & 2 closed |
52MB | pins 2 & 3, 4 & 5 closed | pins 1 & 2 closed | pins 1 & 2 closed | pins 1 & 2 closed |
52MB | pins 2 & 3, 4 & 5 closed | Open | Open | pins 1 & 2 closed |
56MB | pins 2 & 3, 4 & 5 closed | pins 1 & 2 closed | pins 1 & 2 closed | pins 1 & 2 closed |
56MB | pins 2 & 3, 4 & 5 closed | Open | pins 2 & 3 closed | pins 1 & 2 closed |
64MB | pins 2 & 3, 4 & 5 closed | pins 1 & 2 closed | pins 1 & 2 closed | pins 1 & 2 closed |
64MB | pins 2 & 3, 4 & 5 closed | pins 1 & 2 closed | pins 1 & 2 closed | pins 1 & 2 closed |
64MB | pins 2 & 3, 4 & 5 closed | Open | Open | pins 1 & 2 closed |
64MB | pins 1 & 2, 3 & 4 closed | Open | Open | pins 2 & 3 closed |
66MB | pins 2 & 3, 4 & 5 closed | pins 1 & 2 closed | pins 1 & 2 closed | pins 1 & 2 closed |
68MB | pins 2 & 3, 4 & 5 closed | pins 1 & 2 closed | pins 1 & 2 closed | pins 1 & 2 closed |
68MB | pins 2 & 3, 4 & 5 closed | Open | Open | pins 1 & 2 closed |
72MB | pins 2 & 3, 4 & 5 closed | Open | pins 2 & 3 closed | pins 1 & 2 closed |
80MB | pins 2 & 3, 4 & 5 closed | pins 1 & 2 closed | pins 1 & 2 closed | pins 1 & 2 closed |
80MB | pins 2 & 3, 4 & 5 closed | Open | Open | pins 1 & 2 closed |
96MB | pins 2 & 3, 4 & 5 closed | pins 1 & 2 closed | pins 1 & 2 closed | pins 1 & 2 closed |
96MB | pins 1 & 2, 3 & 4 closed | Open | Open | pins 2 & 3 closed |
96MB | pins 2 & 3, 4 & 5 closed | Open | pins 2 & 3 closed | pins 1 & 2 closed |
128MB | pins 1 & 2, 3 & 4 closed | Open | Open | pins 2 & 3 closed |
CACHE CONFIGURATION | |||||
Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 | TAG |
256KB (80486) | (4) 32K x 8 | (4) 32K x 8 | NONE | NONE | (1) 32K x 8 |
256KB (Pentium) | NONE | (4) 32K x 8 | NONE | (4) 32K x 8 | (1) 32K x 8 |
512KB (Pentium) | (4) 32K x 8 | (4) 32K x 8 | (4) 32K x 8 | (4) 32K x 8 | (1) 32K x 8 |
CACHE JUMPER CONFIGURATION | |||||
Size | JP28 | JP29 | JP30 | JP31 | JP32 |
256KB (80486) | 1 & 2 | 1 & 2 | 2 & 3 | 1 & 2 | 2 & 3 |
256KB (Pentium) | 2 & 3 | Open | 2 & 3 | 2 & 3 | 1 & 2 |
512KB (Pentium) | 2 & 3 | 2 & 3 | 1 & 2 | 2 & 3 | 2 & 3 |
Note: Pins designated should be in the closed position. | |||||
CPU TYPE CONFIGURATION | ||||||||
Type | JP18 | JP19 | JP20 | JP21 | JP22 | JP23 | JP24 | JP25 |
80486SX | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | Open | Open |
80486DX | 1 & 2 | 2 & 3 | 1 & 2 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 |
80486DX2 | 1 & 2 | 2 & 3 | 1 & 2 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 |
P24T | 1 & 2 | 2 & 3 | 1 & 2 | 2 & 3 | 1 & 2 | 2 & 3 | Open | Open |
Pentium | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 |
Note: Pins designated should be in the closed position. | ||||||||
CPU SPEED CONFIGURATION | ||||||||
Speed | JP1 | JP2 | JP4 | JP8 | JP9 | JP10 | JP11 | JP12 |
25MHz | 1 & 2 | 2 & 3 | 2 & 3 | Open | Closed | Closed | Closed | 1 & 2 |
33MHz | 2 & 3 | 1 & 2 | 2 & 3 | Open | Closed | Closed | Open | 1 & 2 |
40MHz | 1 & 2 | 1 & 2 | 2 & 3 | Closed | Open | Closed | Closed | 1 & 2 |
50iMHz | 1 & 2 | 2 & 3 | 1 & 2 | Open | Open | Closed | Open | 1 & 2 |
50MHz | 2 & 3 | 2 & 3 | 1 & 2 | Closed | Open | Closed | Open | 2 & 3 |
60MHz | 2 & 3 | 1 & 2 | 2 & 3 | Open | Closed | Open | Open | 2 & 3 |
66iMHz | 2 & 3 | 1 & 2 | 2 & 3 | Open | Closed | Closed | Open | 1 & 2 |
66MHz | 2 & 3 | 1 & 2 | 2 & 3 | Open | Closed | Open | Closed | 2 & 3 |
Note: Pins designated should be in the closed position. | ||||||||
VESA WAIT STATE CONFIGURATION | |
Wait states | JP5 |
0 wait states | Open |
1 wait state | Closed |
BUS SPEED CONFIGURATION | |
CPU speed | JP6 |
<= 33MHz | Open |
> 33MHz | Closed |