GENOA SYSTEMS CORPORATION
TURBOEXPRESS 486PCI
Processor |
80486SX/80487SX/80486DX/ODP486SX/80486DX2/Pentium Overdrive |
Processor Speed |
25/33/50(internal)/66(internal)MHz |
Chip Set |
Intel Saturn |
Max. Onboard DRAM |
128MB |
Cache |
128/256/512KB |
BIOS |
AMI |
Dimensions |
330mm x 218mm |
I/O Options |
32-bit PCI local bus slots (4) |
NPU Options |
None |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
Power LED & keylock |
JP17 |
32-bit PCI Local bus slot |
S1 |
Speaker |
JP18 |
32-bit PCI Local bus slot |
S2 |
Reset switch |
JP19 |
32-bit PCI Local bus slot |
S3 |
Turbo LED |
JP20 |
32-bit PCI Local bus slot |
S4 |
Turbo switch |
JP21 |
USER CONFIGURABLE SETTINGS | |||
Function |
Jumper |
Position | |
» |
Cache enabled |
JP4 |
pins 2 & 3 closed |
Cache disabled |
JP4 |
pins 1 & 2 closed |
DRAM CONFIGURATION | ||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
2MB |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
NONE |
4MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
4MB |
(1) 2M x 36 |
(1) 2M x 36 |
NONE |
NONE |
6MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
6MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
8MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
8MB |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
NONE |
10MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
10MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
12MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
12MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
16MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
16MB |
(1) 8M x 36 |
(1) 8M x 36 |
NONE |
NONE |
18MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
18MB |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
20MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
20MB |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
24MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
24MB |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
32MB |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
32MB |
(1) 16M x 36 |
(1) 16M x 36 |
NONE |
NONE |
34MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 16M x 36 |
(1) 16M x 36 |
34MB |
(1) 16M x 36 |
(1) 16M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
36MB |
(1) 16M x 36 |
(1) 16M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
36MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 16M x 36 |
(1) 16M x 36 |
40MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 16M x 36 |
(1) 16M x 36 |
40MB |
(1) 16M x 36 |
(1) 16M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
48MB |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 16M x 36 |
(1) 16M x 36 |
48MB |
(1) 16M x 36 |
(1) 16M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
64MB |
(1) 16M x 36 |
(1) 16M x 36 |
(1) 16M x 36 |
(1) 16M x 36 |
64MB |
(1) 32M x 36 |
(1) 32M x 36 |
NONE |
NONE |
66MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 32M x 36 |
(1) 32M x 36 |
66MB |
(1) 32M x 36 |
(1) 32M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
68MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 32M x 36 |
(1) 32M x 36 |
68MB |
(1) 32M x 36 |
(1) 32M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
72MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 32M x 36 |
(1) 32M x 36 |
72MB |
(1) 32M x 36 |
(1) 32M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
DRAM CONFIGURATION (CONT.) | ||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
80MB |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 32M x 36 |
(1) 32M x 36 |
80MB |
(1) 32M x 36 |
(1) 32M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
96MB |
(1) 16M x 36 |
(1) 16M x 36 |
(1) 32M x 36 |
(1) 32M x 36 |
96MB |
(1) 32M x 36 |
(1) 32M x 36 |
(1) 16M x 36 |
(1) 16M x 36 |
128MB |
(1) 32M x 36 |
(1) 32M x 36 |
(1) 32M x 36 |
(1) 32M x 36 |
CACHE CONFIGURATION | |||
Size |
Bank 0 |
Bank 1 |
TAG |
128KB |
(4) 32K x 8 |
NONE |
(1) 8K x 8 |
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 32K x 8 |
512KB |
(4) 128K x 8 |
NONE |
(1) 32K x 8 |
CACHE JUMPER CONFIGURATION | ||||
Size |
JP2 |
JP3 |
JP12 |
JP13 |
128KB |
pins 1 & 2 closed |
pins 2 & 3 closed |
Open |
Open |
256KB |
pins 2 & 3 closed |
pins 1 & 2 closed |
Closed |
Open |
512KB |
pins 2 & 3 closed |
pins 2 & 3 closed |
Closed |
Closed |
CPU TYPE CONFIGURATION | |||
Type |
JP14 |
JP15 |
JP16 |
80486SX |
pins 1 & 2 closed |
Open |
pins 2 & 3 closed |
80487SX |
pins 1 & 2 closed |
pins 2 & 3 closed |
Closed |
80486DX |
pins 1 & 2 closed |
pins 1 & 2 closed |
Closed |
ODP486SX |
pins 1 & 2 closed |
pins 2 & 3 closed |
Closed |
80486DX2 |
pins 1 & 2 closed |
pins 1 & 2 closed |
Closed |
Pentium Overdrive |
pins 2 & 3 closed |
pins 2 & 3 closed |
Closed |
CPU SPEED CONFIGURATION | |||
Speed |
JP5 |
JP10 |
JP11 |
25MHz |
pins 1 & 2 closed |
Open |
Closed |
33MHz |
pins 2 & 3 closed |
Closed |
Open |
50i MHz |
pins 1 & 2 closed |
Open |
Closed |
66i MHz |
pins 2 & 3 closed |
Closed |
Open |
PCI INTERRUPT SELECT | ||||
Setting |
JP22 |
JP23 |
JP24 | |
» |
IRQ15 |
pins 2 & 3 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
IRQ11 |
pins 1 & 2 closed |
pins 2 & 3 closed |
pins 1 & 2 closed | |
IRQ5 |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 2 & 3 closed | |
None |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed | |
Note:There are three jumpers to be set for the PCI interrupt connection. When you connect an ISA IRQ to the PCI bus, that IRQ is unavailable to the ISA bus. |
PCI IDE IRQ14 CONNECTION | ||
Type |
JP27 |
JP28 |
ISA IDE controller |
pins 3 & 4 closed |
Closed |
PCI IDE controller (edge trigger) |
pins 4 & 5 closed |
Open |
PCI IDE controller (level trigger) |
pins 1 & 2 closed |
Open |