TURBOEXPRESS 486PCI-4G Motherboard Settings and Configuration

GENOA SYSTEMS CORPORATION

TURBOEXPRESS 486PCI-4G

Processor
80486SX/80486Overdrive/80487SX/80486DX/80486DX2
Processor Speed
25/33/50(internal)/66(internal)MHz
Chip Set
Unidentified
Video Chip Set
None
Maximum Onboard Memory
128MB
Maximum Video Memory
None
Cache
128/256/512KB
BIOS
Award
Dimensions
254mm x 218mm
I/O Options
32-bit PCI slots (4)
NPU Options
None

CONNECTIONS
Purpose
Location
Purpose
Location
Power LED & keylock
JP17
Turbo LED
JP20
Speaker
JP18
Turbo switch
JP21
Reset switch
JP19
32-bit PCI slots
PC1 – PC4

DRAM CONFIGURATION
Size
Bank 0
Bank 1
2MB
(2) 256K x 36
None
4MB
(2) 512K x 36
None
4MB
(2) 256K x 36
(2) 256K x 36
6MB
(2) 512K x 36
(2) 256K x 36
8MB
(2) 1M x 36
None
8MB
(2) 512K x 36
(2) 512K x 36
10MB
(2) 1M x 36
(2) 256K x 36
12MB
(2) 1M x 36
(2) 512K x 36
16MB
(2) 2M x 36
None
16MB
(2) 1M x 36
(2) 1M x 36
18MB
(2) 2M x 36
(2) 256K x 36
20MB
(2) 2M x 36
(2) 512K x 36
24MB
(2) 1M x 36
(2) 2M x 36
32MB
(2) 4M x 36
None
32MB
(2) 2M x 36
(2) 2M x 36
34MB
(2) 4M x 36
(2) 256K x 36
36MB
(2) 512K x 36
(2) 4M x 36
40MB
(2) 4M x 36
(2) 1M x 36
48MB
(2) 2M x 36
(2) 4M x 36
64MB
(2) 8M x 36
None
64MB
(2) 4M x 36
(2) 4M x 36
66MB
(2) 8M x 36
(2) 256K x 36
68MB
(2) 512K x 36
(2) 8M x 36
72MB
(2) 8M x 36
(2) 1M x 36
80MB
(2) 2M x 36
(2) 8M x 36
96MB
(2) 8M x 36
(2) 4M x 36
128MB
(2) 8M x 36
(2) 8M x 36
Note: Banks are interchangeable.

CACHE CONFIGURATION
Size
Bank 0
Bank 1
TAG
128KB
(4) 32K x 8
None
(1) 32K 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

CACHE CONFIGURATION
Setting
JP4
Enabled
Pins 2 & 3 closed
Disabled
Pins 1 & 2 closed

CPU SPEED SELECTION
Speed
JP5
JP10
JP11
25MHz
Pins 1 & 2 closed
Open
Closed
33MHz
Pins 2 & 3 closed
Closed
Open
50iMHz
Pins 1 & 2 closed
Open
Closed
66iMHz
Pins 2 & 3 closed
Closed
Open

CPU TYPE SELECTION
Type
JP14
JP15
JP16
80486SX
Pins 1 & 2 closed
Open
Pins 2 & 3 closed
486Overdrive (168 pin)
Pins 1 & 2 closed
Pins 1 & 2 closed
Pins 1 & 2, 3 & 4 closed
486Overdrive (169 pin)
Pins 1 & 2 closed
Pins 2 & 3 closed
Pins 1 & 2, 3 & 4 closed
80487SX
Pins 1 & 2 closed
Pins 2 & 3 closed
Pins 1 & 2, 3 & 4 closed
80486DX
Pins 1 & 2 closed
Pins 1 & 2 closed
Pins 1 & 2, 3 & 4 closed
8048DX2
Pins 1 & 2 closed
Pins 1 & 2 closed
Pins 1 & 2, 3 & 4 closed

PCI TRIGGER SELECTION
Setting
JP27
JP28
»
ISA IDE
Pins 2 & 3 closed
Closed

Level
Pins 1 & 2 closed
Open

Edge
Pins 4 & 5 closed
Open

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TURBOEXPRESS 486PCI-4G Motherboard Settings and Configuration

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Processor	80486SX/80486Overdrive/80487SX/80486DX/80486DX2
Processor Speed	25/33/50(internal)/66(internal)MHz
Chip Set	Unidentified
Video Chip Set	None
Maximum Onboard Memory	128MB
Maximum Video Memory	None
Cache	128/256/512KB
BIOS	Award
Dimensions	254mm x 218mm
I/O Options	32-bit PCI slots (4)
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
Power LED & keylock	JP17	Turbo LED	JP20
Speaker	JP18	Turbo switch	JP21
Reset switch	JP19	32-bit PCI slots	PC1 – PC4

DRAM CONFIGURATION
Size	Bank 0	Bank 1
2MB	(2) 256K x 36	None
4MB	(2) 512K x 36	None
4MB	(2) 256K x 36	(2) 256K x 36
6MB	(2) 512K x 36	(2) 256K x 36
8MB	(2) 1M x 36	None
8MB	(2) 512K x 36	(2) 512K x 36
10MB	(2) 1M x 36	(2) 256K x 36
12MB	(2) 1M x 36	(2) 512K x 36
16MB	(2) 2M x 36	None
16MB	(2) 1M x 36	(2) 1M x 36
18MB	(2) 2M x 36	(2) 256K x 36
20MB	(2) 2M x 36	(2) 512K x 36
24MB	(2) 1M x 36	(2) 2M x 36
32MB	(2) 4M x 36	None
32MB	(2) 2M x 36	(2) 2M x 36
34MB	(2) 4M x 36	(2) 256K x 36
36MB	(2) 512K x 36	(2) 4M x 36
40MB	(2) 4M x 36	(2) 1M x 36
48MB	(2) 2M x 36	(2) 4M x 36
64MB	(2) 8M x 36	None
64MB	(2) 4M x 36	(2) 4M x 36
66MB	(2) 8M x 36	(2) 256K x 36
68MB	(2) 512K x 36	(2) 8M x 36
72MB	(2) 8M x 36	(2) 1M x 36
80MB	(2) 2M x 36	(2) 8M x 36
96MB	(2) 8M x 36	(2) 4M x 36
128MB	(2) 8M x 36	(2) 8M x 36
Note: Banks are interchangeable.

CACHE CONFIGURATION
Size	Bank 0	Bank 1	TAG
128KB	(4) 32K x 8	None	(1) 32K 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

CACHE CONFIGURATION
Setting	JP4
Enabled	Pins 2 & 3 closed
Disabled	Pins 1 & 2 closed

CPU SPEED SELECTION
Speed	JP5	JP10	JP11
25MHz	Pins 1 & 2 closed	Open	Closed
33MHz	Pins 2 & 3 closed	Closed	Open
50iMHz	Pins 1 & 2 closed	Open	Closed
66iMHz	Pins 2 & 3 closed	Closed	Open

CPU TYPE SELECTION
Type	JP14	JP15	JP16
80486SX	Pins 1 & 2 closed	Open	Pins 2 & 3 closed
486Overdrive (168 pin)	Pins 1 & 2 closed	Pins 1 & 2 closed	Pins 1 & 2, 3 & 4 closed
486Overdrive (169 pin)	Pins 1 & 2 closed	Pins 2 & 3 closed	Pins 1 & 2, 3 & 4 closed
80487SX	Pins 1 & 2 closed	Pins 2 & 3 closed	Pins 1 & 2, 3 & 4 closed
80486DX	Pins 1 & 2 closed	Pins 1 & 2 closed	Pins 1 & 2, 3 & 4 closed
8048DX2	Pins 1 & 2 closed	Pins 1 & 2 closed	Pins 1 & 2, 3 & 4 closed

PCI TRIGGER SELECTION
Setting		JP27	JP28
»	ISA IDE	Pins 2 & 3 closed	Closed
	Level	Pins 1 & 2 closed	Open
	Edge	Pins 4 & 5 closed	Open