FIRST INTERNATIONAL COMPUTER, INC.
486-GIO-VT
|
Processor |
80486SX/CX486S/486S Series/80486DX/80486DX2/Pentium Overdrive |
|
Processor Speed |
25/33/50(internal)/66(internal)MHz |
|
Chip Set |
VIA |
|
Max. Onboard DRAM |
96MB |
|
Cache |
64/128/256KB |
|
BIOS |
AMI/AWARD |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
32-bit VESA local bus slots (2), floppy drive interface, game port, IDE interface, PS/2 mouse port |
|
NPU Options |
None |
|
CONNECTIONS |
|||
|
Purpose |
Location |
Purpose |
Location |
|
PS/2 mouse connector |
CN1 |
IDE interface LED |
J8 |
|
Floppy drive interface |
CN4 |
Turbo switch |
J12 |
|
Game port |
CN5 |
Turbo LED |
J13 |
|
IDE interface |
CN9 |
Reset switch |
J14 |
|
PS/2 mouse port |
CN11 |
Speaker |
J15 |
|
Parallel port |
CN12 |
Power LED & keylock |
J16 |
|
Serial port 1 |
CN13 |
Power supply outlet |
J17 |
|
Serial port 2 |
CN14 |
32-bit VESA Local bus slots |
SL15, SL16 |
|
External battery |
J1 |
|
|
|
USER CONFIGURABLE SETTINGS |
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|
Function |
Jumper |
Position |
|
|
|
Monitor type select mono/EGA/VGA |
J2 |
Open |
|
|
Monitor type select color |
J2 |
Closed |
|
|
Internal battery select |
J3 |
pins 2 & 3 closed |
|
|
External battery select |
J3 |
pins 1 & 2 closed |
|
|
Local IDE selection enabled |
J4 |
pins 1 & 2 closed |
|
|
Local IDE selection disabled |
J4 |
pins 2 & 3 closed |
|
|
Award BIOS select |
J7 |
pins 1 & 2 closed |
|
|
AMI BIOS select |
J7 |
pins 2 & 3 closed |
|
|
IDE BALE disabled |
J9 |
Open |
|
|
IDE BALE enabled |
J9 |
Closed |
|
|
IDE IOCHRDY disabled |
J10 |
Open |
|
|
IDE IOCHRDY enabled |
J10 |
Closed |
|
|
Adaptec ISA master installed |
J18 |
Closed |
|
|
Adaptec ISA master not installed |
J18 |
Open |
|
|
80486SX/80486SX(SL)/80486DX(SL)/Cx486S PQFP disable |
JC6 |
Closed |
|
|
80486SX/80486SX(SL)/80486DX(SL)/Cx486S PQFP enable |
JC6 |
Open |
|
|
IDE enabled |
JG |
pins 2 & 3 closed |
|
|
IDE disabled |
JG |
pins 1 & 2 closed |
|
|
Floppy drive interface enabled |
JH |
pins 2 & 3 closed |
|
|
Floppy drive interface disabled |
JH |
pins 1 & 2 closed |
|
|
Parallel port uni-directional (printer) |
JI |
Closed |
|
|
Parallel port bi-directional |
JI |
Open |
|
|
IDE select A26 |
JP1 |
pins 1 & 2 closed |
|
|
IDE select IRQ 15 |
JP1 |
pins 2 & 3 closed |
|
|
Factory configured - do not alter |
JP3 |
N/A |
|
|
CPU clock select 1X |
JX1 |
pins 1 & 2 closed |
|
|
CPU clock select 2X |
JX1 |
pins 2 & 3 closed |
|
|
ODP586SX write back select |
JT1 |
pins 1 & 2 closed |
|
|
ODP586SX write through select |
JT1 |
pins 2 & 3 closed |
|
|
IDE select IRQ 15 |
JX2, JP2 |
pins 1 & 2 closed |
|
|
IDE select SMI |
JX2, JP2 |
pins 2 & 3 closed |
|
DRAM CONFIGURATION |
|||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
|
1MB |
(4) 256K x 9 |
NONE |
NONE |
|
1MB |
NONE |
(1) 256K x 36 |
NONE |
|
1MB |
NONE |
NONE |
(1) 256K x 36 |
|
2MB |
(4) 256K x 9 |
(1) 256K x 36 |
NONE |
|
2MB |
NONE |
(1) 256K x 36 |
(1) 256K x 36 |
|
2MB |
(4) 256K x 9 |
NONE |
(1) 256K x 36 |
|
3MB |
(4) 256K x 9 |
(1) 256K x 36 |
(1) 256K x 36 |
|
4MB |
(4) 1M x 9 |
NONE |
NONE |
|
4MB |
NONE |
(1) 1M x 36 |
NONE |
|
4MB |
NONE |
NONE |
(1) 1M x 36 |
|
5MB |
(4) 256K x 9 |
(1) 1M x 36 |
NONE |
|
5MB |
(4) 256K x 9 |
NONE |
(1) 1M x 36 |
|
5MB |
(4) 1M x 9 |
(1) 256K x 36 |
NONE |
|
5MB |
(4) 1M x 9 |
NONE |
(1) 256K x 36 |
|
5MB |
NONE |
(1) 256K x 36 |
(1) 1M x 36 |
|
5MB |
NONE |
(1) 1M x 36 |
(1) 256K x 36 |
|
6MB |
(4) 256K x 9 |
(1) 1M x 36 |
(1) 256K x 36 |
|
6MB |
(4) 256K x 9 |
(1) 256K x 36 |
(1) 1M x 36 |
|
6MB |
(4) 1M x 9 |
(1) 256K x 36 |
(1) 256K x 36 |
|
8MB |
(4) 1M x 9 |
(1) 1M x 36 |
NONE |
|
8MB |
(4) 1M x 9 |
NONE |
(1) 1M x 36 |
|
8MB |
NONE |
(1) 1M x 36 |
(1) 1M x 36 |
|
9MB |
(4) 256K x 9 |
(1) 1M x 36 |
(1) 1M x 36 |
|
9MB |
(4) 1M x 9 |
(1) 256K x 36 |
(1) 1M x 36 |
|
9MB |
(4) 1M x 9 |
(1) 1M x 36 |
(1) 256K x 36 |
|
12MB |
(4) 1M x 9 |
(1) 1M x 36 |
(1) 1M x 36 |
|
16MB |
(4) 4M x 9 |
NONE |
NONE |
|
16MB |
NONE |
(1) 4M x 36 |
NONE |
|
16MB |
NONE |
NONE |
(1) 4M x 36 |
|
17MB |
(4) 256K x 9 |
(1) 4M x 36 |
NONE |
|
17MB |
(4) 256K x 9 |
NONE |
(1) 4M x 36 |
|
17MB |
NONE |
(1) 256K x 36 |
|
|
17MB |
NONE |
(1) 4M x 36 |
(1) 256K x 36 |
|
17MB |
(4) 4M x 9 |
(1) 256K x 36 |
NONE |
|
17MB |
(4) 4M x 9 |
NONE |
(1) 256K x 36 |
|
DRAM CONFIGURATION |
|||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
|
18MB |
(4) 256K x 9 |
(1) 256K x 36 |
(1) 4M x 36 |
|
18MB |
(4) 256K x 9 |
(1) 4M x 36 |
(1) 256K x 36 |
|
18MB |
(4) 4M x 9 |
(1) 256K x 36 |
(1) 256K x 36 |
|
20MB |
(4) 1M x 9 |
(1) 4M x 36 |
NONE |
|
20MB |
(4) 1M x 9 |
NONE |
(1) 4M x 36 |
|
20MB |
(4) 4M x 9 |
(1) 1M x 36 |
NONE |
|
20MB |
(4) 4M x 9 |
NONE |
(1) 1M x 36 |
|
20MB |
NONE |
(1) 1M x 36 |
(1) 4M x 36 |
|
20MB |
NONE |
(1) 4M x 36 |
(1) 1M x 36 |
|
21MB |
(4) 256K x 9 |
(1) 1M x 36 |
(1) 4M x 36 |
|
21MB |
(4) 256K x 9 |
(1) 4M x 36 |
(1) 1M x 36 |
|
21MB |
(4) 1M x 9 |
(1) 256K x 36 |
(1) 4M x 36 |
|
21MB |
(4) 1M x 9 |
(1) 4M x 36 |
(1) 256K x 36 |
|
21MB |
(4) 4M x 9 |
(1) 256K x 36 |
(1) 1M x 36 |
|
21MB |
(4) 4M x 9 |
(1) 1M x 36 |
(1) 256K x 36 |
|
24MB |
(4) 1M x 9 |
(1) 1M x 36 |
(1) 4M x 36 |
|
24MB |
(4) 1M x 9 |
(1) 4M x 36 |
(1) 1M x 36 |
|
24MB |
(4) 4M x 9 |
(1) 1M x 36 |
(1) 1M x 36 |
|
32MB |
(4) 4M x 9 |
(1) 4M x 36 |
NONE |
|
32MB |
(4) 4M x 9 |
NONE |
(1) 4M x 36 |
|
32MB |
NONE |
(1) 4M x 36 |
(1) 4M x 36 |
|
33MB |
(4) 256K x 9 |
(1) 4M x 36 |
(1) 4M x 36 |
|
33MB |
(4) 4M x 9 |
(1) 256K x 36 |
(1) 4M x 36 |
|
33MB |
(4) 4M x 9 |
(1) 4M x 36 |
(1) 256K x 36 |
|
36MB |
(4) 1M x 9 |
(1) 4M x 36 |
(1) 4M x 36 |
|
36MB |
(4) 4M x 9 |
(1) 1M x 36 |
(1) 4M x 36 |
|
36MB |
(4) 4M x 9 |
(1) 4M x 36 |
(1) 1M x 36 |
|
48MB |
(4) 4M x 9 |
(1) 4M x 36 |
(1) 4M x 36 |
|
64MB |
(4) 16M x 9 |
NONE |
NONE |
|
65MB |
(4) 16M x 9 |
(1) 256K x 36 |
NONE |
|
65MB |
(4) 16M x 9 |
NONE |
(1) 256K x 36 |
|
66MB |
(4) 16M x 9 |
(1) 256K x 36 |
(1) 256K x 36 |
|
68MB |
(4) 16M x 9 |
(1) 1M x 36 |
NONE |
|
68MB |
(4) 16M x 9 |
NONE |
(1) 1M x 36 |
|
69MB |
(4) 16M x 9 |
(1) 256K x 36 |
(1) 4M x 36 |
|
69MB |
(4) 16M x 9 |
(1) 1M x 36 |
(1) 256K x 36 |
|
72MB |
(4) 16M x 9 |
(1) 1M x 36 |
(1) 1M x 36 |
|
80MB |
(4) 16M x 9 |
(1) 4M x 36 |
NONE |
|
80MB |
(4) 16M x 9 |
NONE |
(1) 4M x 36 |
|
81MB |
(4) 16M x 9 |
(1) 256K x 36 |
(1) 4M x 36 |
|
81MB |
(4) 16M x 9 |
(1) 4M x 36 |
(1) 256K x 36 |
|
84MB |
(4) 16M x 9 |
(1) 1M x 36 |
(1) 4M x 36 |
|
84MB |
(4) 16M x 9 |
(1) 4M x 36 |
(1) 1M x 36 |
|
96MB |
(4) 16M x 9 |
(1) 4M x 36 |
(1) 4M x 36 |
|
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 |
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|
Size |
JS1 |
JS2 |
JS3 |
|
64KB |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
128KB |
pins 1 & 2 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
256KB |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 1 & 2 closed |
|
CPU TYPE CONFIGURATION |
||||||
|
CPU Type |
JC1 |
JC2 |
JC3 |
JC4 |
JC5 |
JC7 |
|
80486SX |
2 & 3 |
2 & 3 |
Open |
Open |
Closed |
1 & 2 |
|
80486SX (SL) |
2 & 3 |
2 & 3 |
Open |
Open |
Closed |
1 & 2 |
|
Cx486S |
2 & 3 |
2 & 3 |
Closed |
Open |
Open |
1 & 2 |
|
Cx487S |
1 & 2 |
1 & 2 |
Closed |
Open |
Open |
1 & 2 |
|
Cx486DX |
1 & 2 |
1 & 2 |
Closed |
Open |
Open |
1 & 2 |
|
80486DX |
1 & 2 |
1 & 2 |
Closed |
Open |
Closed |
1 & 2 |
|
80486DX (SL) |
1 & 2 |
1 & 2 |
Closed |
Open |
Closed |
1 & 2 |
|
80486DX2 |
1 & 2 |
1 & 2 |
Closed |
Open |
Closed |
1 & 2 |
|
80486DX2 (SL) |
1 & 2 |
1 & 2 |
Closed |
Open |
Closed |
1 & 2 |
|
Overdrive |
1 & 2 |
1 & 2 |
Open |
Closed |
Open |
2 & 3 |
|
Note:Pins designated are in the closed position. |
||||||
|
CPU TYPE CONFIGURATION (CONTINUED) |
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|
CPU Type |
RN21 |
RN22 |
RN23 |
|
80486SX |
Not installed |
Not installed |
Not installed |
|
80486SX (SL) |
Not installed |
Installed |
Not installed |
|
80486SX (SL) (PQFP) |
Installed |
Not installed |
Not installed |
|
Cx486S |
Not installed |
Not installed |
Installed |
|
Cx486S (PQFP) |
Installed |
Not installed |
Not installed |
|
Cx487S |
Not installed |
Not installed |
Installed |
|
Cx486DX |
Not installed |
Not installed |
Installed |
|
80486DX |
Not installed |
Not installed |
Not installed |
|
80486DX (SL) |
Not installed |
Installed |
Not installed |
|
80486DX (SL) (PQFP) |
Installed |
Not installed |
Not installed |
|
80486DX2 |
Not installed |
Not installed |
Not installed |
|
80486DX2 (SL) |
Not installed |
Installed |
Not installed |
|
CPU TYPE CONFIGURATION (CONTINUED) |
||
|
CPU Type |
JCX1 |
JCX2 |
|
Cx486S |
Closed |
pins 2 & 3 closed |
|
All others |
Open |
pins 1 & 2 closed |
|
VESA WAIT STATE CONFIGURATION |
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|
CPU speed |
Wait states |
JV2 |
JV3 |
|
> 33MHz |
0 wait states |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
< 33MHz |
1 wait state |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
KEYBOARD CONTROLLER CONFIGURATION |
||||
|
Type |
JX3 |
JX4 |
||
|
|
External KBC |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
|
|
Internal KBC with PS/2 mouse |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
|
|
Internal KBC w/o PS/2 mouse |
pins 2 & 3 closed |
pins 1 & 2 closed |
|
|
|
Illegal |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
|
KEYBOARD CONFIGURATION |
||||
|
Jumper |
External KBC |
Internal KBC |
||
|
|
JKB 1 |
pins 1 & 2 |
1 & 2 (default) |
2 & 3 Award Clear |
|
|
JKB 2 |
pins 1 & 2 |
1 & 2 (default) |
2 & 3 AMI Clear |
|
|
JKB 3 |
pins 1 & 2 |
1 & 2 VGA/Mono |
2 & 3 CGA |
|
Note: Pins designated are in the closed position. |
||||
|
IDE SPEED CONFIGURATION (PDC 20230 ONLY) |
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|
IDE type |
J5 |
J6 |
|
|
|
Speed 2 |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
|
Speed 1 |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
|
Speed 0 |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
SERIAL PORT 1 CONFIGURATION |
|||
|
Port 1 |
JA |
JB |
|
|
|
3F8h |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
|
2E8h |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
|
3E8h |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
|
Disable |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
SERIAL PORT 2 CONFIGURATION |
|||
|
Port 2 |
JC |
JD |
|
|
|
2F8h |
pins 2 & 3 closed |
pins 1 & 2 closed |
|
|
3E8h |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
|
2E8h |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
|
Disable |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
PARALLEL PORT CONFIGURATION |
|||
|
LPT 1 |
JE |
JF |
|
|
|
378 |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
|
278 |
pins 2 & 3 closed |
pins 1 & 2 closed |
|
|
3BC |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
|
Disable |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
CPU CLOCK CONFIGURATION (IMI425) |
||||
|
Clock |
JK1 |
JK2 |
JK3 |
JK4 |
|
40MHz |
pins 2 & 3 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
50MHz |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
80MHz |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
66MHz |
pins 1 & 2 closed |
pins 2 & 3 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
66MHz |
pins 2 & 3 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
25MHz |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
pins 1 & 2 closed |
|
40MHz |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
50MHz |
pins 1 & 2 closed |
pins 2 & 3 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
33MHz |
pins 2 & 3 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
CPU CLOCK CONFIGURATION (VT8225N) |
||||
|
Clock |
JK1 |
JK2 |
JK3 |
JK4 |
|
16MHz |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
8MHz |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
40MHz |
pins 1 & 2 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
20MHz |
pins 1 & 2 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 1 & 2 closed |
|
50MHz |
pins 2 & 3 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
25MHz |
pins 2 & 3 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
pins 1 & 2 closed |
|
80MHz |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
40MHz |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
pins 1 & 2 closed |
|
66MHz |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
33MHz |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
100MHz |
pins 1 & 2 closed |
pins 2 & 3 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
50MHz |
pins 1 & 2 closed |
pins 2 & 3 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
8MHz |
pins 2 & 3 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
4MHz |
pins 2 & 3 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
4MHz |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
2MHz |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |