COBRA-XLP-PCI Motherboard Settings and Configuration

ROBOTECH, INC.

COBRA-XLP-PCI

Processor
Pentium
Processor Speed
75/90/100/120/133MHz
Chip Set
SIS
Maximum Onboard Memory
512MB
Cache
256/512/1024KB
BIOS
Award
Dimensions
330mm x 218mm
I/O Options
32-bit PCI slots (4), floppy drive interface, game port, green PC connector, IDE interfaces (2), SCSI connector, parallel port, serial ports (2)
NPU Options
None

CONNECTIONS
Function
Label
Function
Label
Game port
CN1
Turbo switch
J3
Serial port
CN2
Turbo LED
J4
Serial port
CN3
Green PC connector
J5
Floppy drive interface
CN4
Green PC LED
J6
Parallel port
CN5
Power LED & keylock
J7
IDE interface
CN6
Reset switch
J8
IDE interface
CN7
Green PC connector
JP17
SCSI interface
CN8
External battery
JP24
SCSI interface LED
J1
32-bit PCI slots
PC1 - PC4
Speaker
J2

Note: CN1 - CN3 are shown for location purposes only. The exact purpose of these connectors is unidentified.

USER CONFIGURABLE SETTINGS
Setting
Label
Position
»
IDE interface enabled
JP2
Pins 1 & 2 closed

IDE interface disabled
JP2
Pins 2 & 3 closed
»
CPU cache data select invalid in bus master read or write cycle
JP3
Pins 1 & 2 closed

CPU cache data select invalid only in bus master cycle
JP3
Pins 2 & 3 closed
»
Cache type select write back
JP4
Pins 1 & 2 closed

Cache type select write through
JP4
Pins 2 & 3 closed
»
Factory configured - do not alter
JP5
Pins 1 & 2 closed

TAG size select 8 bits (do not change setting)
JP10
Pins 1 & 2 closed

TAG size select 7 bits (do not change setting)
JP10
Pins 2 & 3 closed
»
Green PC select stop clock
JP14
Pins 1 & 2 closed

Green PC select SMI
JP14
Pins 2 & 3 closed
»
Factory configured - do not alter
JP16
Pins 2 & 3, 4 & 5 closed
»
Factory configured - do not alter
JP17
N/A
»
SCSI terminator power source select system
JP23
Closed

SCSI terminator power source select peripheral
JP23
Open
»
CMOS memory normal operation
JP24
Pins 2 & 3 closed

CMOS memory clear
JP24
Pins 3 & 4 closed

Battery type select external
JP24
Closed
»
Factory configured - do not alter
JP25
N/A
»
Game port enabled
JP30
Closed

Game port disabled
JP30
Open
»
Floppy drive interface enabled
JP31
Pins 1 & 2 closed

Floppy drive interface disabled
JP31
Pins 2 & 3 closed
»
Parallel port IRQ select IRQ5
JP34
Pins 2 & 3 closed

Parallel port IRQ select IRQ7
JP34
Pins 1 & 2 closed
»
Parallel port enabled
JP35
Pins 1 & 2 closed

Parallel port disabled
JP35
Pins 2 & 3 closed

USER CONFIGURABLE SETTINGS (CON’T)
Setting
Label
Position
»
Serial port 1 COM1 enabled
JP39
Pins 1 & 2 closed

Serial port COM1 disabled
JP39
Pins 2 & 3 closed
»
Parallel port bidirectional
JP42
Open

Parallel port unidirectional
JP42
Closed

DRAM
Size
Bank 0
Bank 1
Bank 2
Bank 3
1MB
None
None
None
(1) 256K x 32
1MB
None
None
(1) 256K x 32
None
1MB
None
(1) 256K x 32
None
None
1MB
(1) 256K x 32
None
None
None
2MB
(1) 256K x 32
(1) 256K x 32
None
None
2MB
None
None
None
(1) 512K x 32
2MB
None
None
(1) 512K x 32
None
2MB
None
(1) 512K x 32
None
None
2MB
(1) 512K x 32
None
None
None
4MB
(1) 512K x 32
(1) 512K x 32
None
None
4MB
(1) 256K x 32
(1) 256K x 32
(1) 256K x 32
(1) 256K x 32
4MB
None
None
None
(1) 1M x 32
4MB
None
None
(1) 1M x 32
None
4MB
None
(1) 1M x 32
None
None
4MB
(1) 1M x 32
None
None
None
6MB
(1) 512K x 32
(1) 512K x 32
(1) 256K x 32
(1) 256K x 32
6MB
(1) 256K x 32
(1) 256K x 32
(1) 512K x 32
(1) 512K x 32
8MB
(1) 1M x 32
(1) 1M x 32
None
None
8MB
(1) 512K x 32
(1) 512K x 32
(1) 512K x 32
(1) 512K x 32
8MB
None
None
None
(1) 2M x 32
8MB
None
None
(1) 2M x 32
None
8MB
None
(1) 2M x 32
None
None
8MB
(1) 2M x 32
None
None
None
10MB
(1) 1M x 32
(1) 1M x 32
(1) 512K x 32
(1) 512K x 32
10MB
(1) 256K x 32
(1) 256K x 32
(1) 1M x 32
(1) 1M x 32
12MB
(1) 1M x 32
(1) 1M x 32
(1) 512K x 32
(1) 512K x 32
12MB
(1) 512K x 32
(1) 512K x 32
(1) 1M x 32
(1) 1M x 32
16MB
(1) 2M x 32
(1) 2M x 32
None
None
16MB
(1) 1M x 32
(1) 1M x 32
(1) 1M x 32
(1) 1M x 32
16MB
None
None
None
(1) 4M x 32
16MB
None
None
(1) 4M x 32
None
16MB
None
(1) 4M x 32
None
None
16MB
(1) 4M x 32
None
None
None
18MB
(1) 2M x 32
(1) 2M x 32
(1) 256K x 32
(1) 256K x 32
18MB
(1) 256K x 32
(1) 256K x 32
(1) 2M x 32
(1) 2M x 32

DRAM
Size
Bank 0
Bank 1
Bank 2
Bank 3
20MB
(1) 2M x 32
(1) 2M x 32
(1) 512K x 32
(1) 512K x 32
20MB
(1) 512K x 32
(1) 512K x 32
(1) 2M x 32
(1) 2M x 32
24MB
(1) 2M x 32
(1) 2M x 32
(1) 1M x 32
(1) 1M x 32
24MB
(1) 1M x 32
(1) 1M x 32
(1) 2M x 32
(1) 2M x 32
32MB
(1) 4M x 32
(1) 4M x 32
None
None
32MB
(1) 2M x 32
(1) 2M x 32
(1) 2M x 32
(1) 2M x 32
32MB
None
None
None
(1) 8M x 32
32MB
None
None
(1) 8M x 32
None
32MB
None
(1) 8M x 32
None
None
32MB
(1) 8M x 32
None
None
None
34MB
(1) 256K x 32
(1) 256K x 32
(1) 4M x 32
(1) 4M x 32
34MB
(1) 4M x 32
(1) 4M x 32
(1) 256K x 32
(1) 256K x 32
36MB
(1) 4M x 32
(1) 4M x 32
(1) 512K x 32
(1) 512K x 32
36MB
(1) 512K x 32
(1) 512K x 32
(1) 4M x 32
(1) 4M x 32
40MB
(1) 4M x 32
(1) 4M x 32
(1) 1M x 32
(1) 1M x 32
40MB
(1) 1M x 32
(1) 1M x 32
(1) 4M x 32
(1) 4M x 32
48MB
(1) 4M x 32
(1) 4M x 32
(1) 2M x 32
(1) 2M x 32
48MB
(1) 2M x 32
(1) 2M x 32
(1) 4M x 32
(1) 4M x 32
64MB
(1) 8M x 32
(1) 8M x 32
None
None
64MB
(1) 4M x 32
(1) 4M x 32
(1) 4M x 32
(1) 4M x 32
64MB
None
None
None
(1) 16M x 32
64MB
None
None
(1) 16M x 32
None
64MB
None
(1) 16M x 32
None
None
64MB
(1) 16M x 32
None
None
None
66MB
(1) 8M x 32
(1) 8M x 32
(1) 256K x 32
(1) 256K x 32
66MB
(1) 256K x 32
(1) 256K x 32
(1) 8M x 32
(1) 8M x 32
68MB
(1) 8M x 32
(1) 8M x 32
(1) 512K x 32
(1) 512K x 32
68MB
(1) 512K x 32
(1) 512K x 32
(1) 8M x 32
(1) 8M x 32
72MB
(1) 8M x 32
(1) 8M x 32
(1) 1M x 32
(1) 1M x 32
72MB
(1) 1M x 32
(1) 1M x 32
(1) 8M x 32
(1) 8M x 32
80MB
(1) 8M x 32
(1) 8M x 32
(1) 2M x 32
(1) 2M x 32
80MB
(1) 2M x 32
(1) 2M x 32
(1) 8M x 32
(1) 8M x 32
96MB
(1) 8M x 32
(1) 8M x 32
(1) 4M x 32
(1) 4M x 32
96MB
(1) 4M x 32
(1) 4M x 32
(1) 8M x 32
(1) 8M x 32
128MB
(1) 16M x 32
(1) 16M x 32
None
None
128MB
(1) 8M x 32
(1) 8M x 32
(1) 8M x 32
(1) 8M x 32
128MB
None
None
None
(1) 32M x 32
128MB
None
None
(1) 32M x 32
None
128MB
None
(1) 32M x 32
None
None
128MB
(1) 32M x 32
None
None
None
130MB
(1) 16M x 32
(1) 16M x 32
(1) 256K x 32
(1) 256K x 32
132MB
(1) 256K x 32
(1) 256K x 32
(1) 16M x 32
(1) 16M x 32

DRAM (CON’T)
Size
Bank 0
Bank 1
Bank 2
Bank 3
136MB
(1) 16M x 32
(1) 16M x 32
(1) 1M x 32
(1) 1M x 32
144MB
(1) 1M x 32
(1) 1M x 32
(1) 16M x 32
(1) 16M x 32
160MB
(1) 16M x 32
(1) 16M x 32
(1) 4M x 32
(1) 4M x 32
192MB
(1) 16M x 32
(1) 16M x 32
(1) 8M x 32
(1) 8M x 32
256MB
(1) 16M x 32
(1) 16M x 32
(1) 16M x 32
(1) 16M x 32
256MB
(1) 32M x 32
(1) 32M x 32
None
None
258MB
(1) 32M x 32
(1) 32M x 32
(1) 256K x 32
(1) 256K x 32
260MB
(1) 32M x 32
(1) 32M x 32
(1) 512K x 32
(1) 512K x 32
264MB
(1) 32M x 32
(1) 32M x 32
(1) 1M x 32
(1) 1M x 32
272MB
(1) 32M x 32
(1) 32M x 32
(1) 2M x 32
(1) 2M x 32
288MB
(1) 32M x 32
(1) 32M x 32
(1) 4M x 32
(1) 4M x 32
320MB
(1) 32M x 32
(1) 32M x 32
(1) 8M x 32
(1) 8M x 32
384MB
(1) 16M x 32
(1) 16M x 32
(1) 32M x 32
(1) 32M x 32
384MB
(1) 32M x 32
(1) 32M x 32
(2) 32M x 32
(2) 16M x 32
512MB
(1) 32M x 32
(1) 32M x 32
(1) 32M x 32
(1) 32M x 32
Note: The orientation of the banks is unidentified.

CACHE SIZE
Size
Bank 0
TAG
256KB
(8) 32K x 8
(1) 8K x 8
512KB
(8) 64K x 8
(1) 32K x 8
1MB
(8) 128K x 8
(1) 64K x 8

CACHE JUMPER
Size
JP8
JP9
256KB
Pins 1 & 2 closed
Pins 1 & 2 closed
512KB
Pins 2 & 3 closed
Pins 1 & 2 closed
1MB
Pins 2 & 3 closed
Pins 2 & 3 closed

CPU SPEED (MX8318)
Setting
JP11
JP12
JP13
75MHz
Open
Open
Closed
90MHz
Open
Closed
Open
100MHz
Closed
Open
Closed
120MHz
Open
Closed
Open
133MHz
Closed
Open
Closed

CPU SPEED (MX8325)
Setting
JP11
JP12
JP13
75MHz
Closed
Closed
Open
90MHz
Closed
Open
Closed
100MHz
Closed
Closed
Closed
120MHz
Closed
Open
Closed
133MHz
Closed
Closed
Closed

CPU MULTIPLIER
Setting
JP6
1.5x
Open
2x
Closed

CPU VOLTAGE
Setting
JP7
»
3.3v - 3.45v
Open

3.45v - 3.6v
Closed

DMA CHANNEL
Setting
JP37
JP38
»
DMA1
Pins 1 & 2 closed
Pins 1 & 2 closed

DMA3
Pins 2 & 3 closed
Pins 2 & 3 closed

PARALLEL PORT
Setting
JP32
JP36
»
Printer
Pins 2 & 3 closed
Pins 2 & 3 closed

EPP mode
Pins 2 & 3 closed
Pins 1 & 2 closed

ECP/EPP
Pins 1 & 2 closed
Pins 2 & 3 closed

EXT, 2 FDD
Pins 1 & 2 closed
Pins 1 & 2 closed

SERIAL PORT 2
Setting
JP33
JP40
»
COM2
Pins 2 & 3 closed
Pins 1 & 2 closed

COM3
Pins 1 & 2 closed
Pins 1 & 2 closed

COM4
Pins 1 & 2 closed
Pins 2 & 3 closed

Disabled
Pins 2 & 3 closed
Pins 2 & 3 closed

SCSI & SCSI IRQ
Setting
JP18
JP19
JP21
JP22
IRQ9 enabled
Pins 2 & 3 closed
Pins 2 & 3 closed
Open
Pins 1 & 2 closed
IRQ11 enabled
Pins 2 & 3 closed
Pins 2 & 3 closed
Open
Pins 2 & 3 closed
Disabled
Pins 1 & 2 closed
Pins 1 & 2 closed
Closed
Open

DMA
Setting
JP37
JP38
»
DMA1
Pins 1 & 2 closed
Pins 1 & 2 closed

DMA3
Pins 2 & 3 closed
Pins 2 & 3 closed

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Processor	Pentium
Processor Speed	75/90/100/120/133MHz
Chip Set	SIS
Maximum Onboard Memory	512MB
Cache	256/512/1024KB
BIOS	Award
Dimensions	330mm x 218mm
I/O Options	32-bit PCI slots (4), floppy drive interface, game port, green PC connector, IDE interfaces (2), SCSI connector, parallel port, serial ports (2)
NPU Options	None

CONNECTIONS
Function	Label	Function	Label
Game port	CN1	Turbo switch	J3
Serial port	CN2	Turbo LED	J4
Serial port	CN3	Green PC connector	J5
Floppy drive interface	CN4	Green PC LED	J6
Parallel port	CN5	Power LED & keylock	J7
IDE interface	CN6	Reset switch	J8
IDE interface	CN7	Green PC connector	JP17
SCSI interface	CN8	External battery	JP24
SCSI interface LED	J1	32-bit PCI slots	PC1 - PC4
Speaker	J2
Note: CN1 - CN3 are shown for location purposes only. The exact purpose of these connectors is unidentified.

USER CONFIGURABLE SETTINGS
Setting		Label	Position
»	IDE interface enabled	JP2	Pins 1 & 2 closed
	IDE interface disabled	JP2	Pins 2 & 3 closed
»	CPU cache data select invalid in bus master read or write cycle	JP3	Pins 1 & 2 closed
	CPU cache data select invalid only in bus master cycle	JP3	Pins 2 & 3 closed
»	Cache type select write back	JP4	Pins 1 & 2 closed
	Cache type select write through	JP4	Pins 2 & 3 closed
»	Factory configured - do not alter	JP5	Pins 1 & 2 closed
	TAG size select 8 bits (do not change setting)	JP10	Pins 1 & 2 closed
	TAG size select 7 bits (do not change setting)	JP10	Pins 2 & 3 closed
»	Green PC select stop clock	JP14	Pins 1 & 2 closed
	Green PC select SMI	JP14	Pins 2 & 3 closed
»	Factory configured - do not alter	JP16	Pins 2 & 3, 4 & 5 closed
»	Factory configured - do not alter	JP17	N/A
»	SCSI terminator power source select system	JP23	Closed
	SCSI terminator power source select peripheral	JP23	Open
»	CMOS memory normal operation	JP24	Pins 2 & 3 closed
	CMOS memory clear	JP24	Pins 3 & 4 closed
	Battery type select external	JP24	Closed
»	Factory configured - do not alter	JP25	N/A
»	Game port enabled	JP30	Closed
	Game port disabled	JP30	Open
»	Floppy drive interface enabled	JP31	Pins 1 & 2 closed
	Floppy drive interface disabled	JP31	Pins 2 & 3 closed
»	Parallel port IRQ select IRQ5	JP34	Pins 2 & 3 closed
	Parallel port IRQ select IRQ7	JP34	Pins 1 & 2 closed
»	Parallel port enabled	JP35	Pins 1 & 2 closed
	Parallel port disabled	JP35	Pins 2 & 3 closed

USER CONFIGURABLE SETTINGS (CON’T)
Setting		Label	Position
»	Serial port 1 COM1 enabled	JP39	Pins 1 & 2 closed
	Serial port COM1 disabled	JP39	Pins 2 & 3 closed
»	Parallel port bidirectional	JP42	Open
	Parallel port unidirectional	JP42	Closed

DRAM
Size	Bank 0	Bank 1	Bank 2	Bank 3
1MB	None	None	None	(1) 256K x 32
1MB	None	None	(1) 256K x 32	None
1MB	None	(1) 256K x 32	None	None
1MB	(1) 256K x 32	None	None	None
2MB	(1) 256K x 32	(1) 256K x 32	None	None
2MB	None	None	None	(1) 512K x 32
2MB	None	None	(1) 512K x 32	None
2MB	None	(1) 512K x 32	None	None
2MB	(1) 512K x 32	None	None	None
4MB	(1) 512K x 32	(1) 512K x 32	None	None
4MB	(1) 256K x 32	(1) 256K x 32	(1) 256K x 32	(1) 256K x 32
4MB	None	None	None	(1) 1M x 32
4MB	None	None	(1) 1M x 32	None
4MB	None	(1) 1M x 32	None	None
4MB	(1) 1M x 32	None	None	None
6MB	(1) 512K x 32	(1) 512K x 32	(1) 256K x 32	(1) 256K x 32
6MB	(1) 256K x 32	(1) 256K x 32	(1) 512K x 32	(1) 512K x 32
8MB	(1) 1M x 32	(1) 1M x 32	None	None
8MB	(1) 512K x 32	(1) 512K x 32	(1) 512K x 32	(1) 512K x 32
8MB	None	None	None	(1) 2M x 32
8MB	None	None	(1) 2M x 32	None
8MB	None	(1) 2M x 32	None	None
8MB	(1) 2M x 32	None	None	None
10MB	(1) 1M x 32	(1) 1M x 32	(1) 512K x 32	(1) 512K x 32
10MB	(1) 256K x 32	(1) 256K x 32	(1) 1M x 32	(1) 1M x 32
12MB	(1) 1M x 32	(1) 1M x 32	(1) 512K x 32	(1) 512K x 32
12MB	(1) 512K x 32	(1) 512K x 32	(1) 1M x 32	(1) 1M x 32
16MB	(1) 2M x 32	(1) 2M x 32	None	None
16MB	(1) 1M x 32	(1) 1M x 32	(1) 1M x 32	(1) 1M x 32
16MB	None	None	None	(1) 4M x 32
16MB	None	None	(1) 4M x 32	None
16MB	None	(1) 4M x 32	None	None
16MB	(1) 4M x 32	None	None	None
18MB	(1) 2M x 32	(1) 2M x 32	(1) 256K x 32	(1) 256K x 32
18MB	(1) 256K x 32	(1) 256K x 32	(1) 2M x 32	(1) 2M x 32

DRAM (CON’T)
Size	Bank 0	Bank 1	Bank 2	Bank 3
136MB	(1) 16M x 32	(1) 16M x 32	(1) 1M x 32	(1) 1M x 32
144MB	(1) 1M x 32	(1) 1M x 32	(1) 16M x 32	(1) 16M x 32
160MB	(1) 16M x 32	(1) 16M x 32	(1) 4M x 32	(1) 4M x 32
192MB	(1) 16M x 32	(1) 16M x 32	(1) 8M x 32	(1) 8M x 32
256MB	(1) 16M x 32	(1) 16M x 32	(1) 16M x 32	(1) 16M x 32
256MB	(1) 32M x 32	(1) 32M x 32	None	None
258MB	(1) 32M x 32	(1) 32M x 32	(1) 256K x 32	(1) 256K x 32
260MB	(1) 32M x 32	(1) 32M x 32	(1) 512K x 32	(1) 512K x 32
264MB	(1) 32M x 32	(1) 32M x 32	(1) 1M x 32	(1) 1M x 32
272MB	(1) 32M x 32	(1) 32M x 32	(1) 2M x 32	(1) 2M x 32
288MB	(1) 32M x 32	(1) 32M x 32	(1) 4M x 32	(1) 4M x 32
320MB	(1) 32M x 32	(1) 32M x 32	(1) 8M x 32	(1) 8M x 32
384MB	(1) 16M x 32	(1) 16M x 32	(1) 32M x 32	(1) 32M x 32
384MB	(1) 32M x 32	(1) 32M x 32	(2) 32M x 32	(2) 16M x 32
512MB	(1) 32M x 32	(1) 32M x 32	(1) 32M x 32	(1) 32M x 32
Note: The orientation of the banks is unidentified.

CACHE SIZE
Size	Bank 0	TAG
256KB	(8) 32K x 8	(1) 8K x 8
512KB	(8) 64K x 8	(1) 32K x 8
1MB	(8) 128K x 8	(1) 64K x 8

CACHE JUMPER
Size	JP8	JP9
256KB	Pins 1 & 2 closed	Pins 1 & 2 closed
512KB	Pins 2 & 3 closed	Pins 1 & 2 closed
1MB	Pins 2 & 3 closed	Pins 2 & 3 closed

CPU SPEED (MX8318)
Setting	JP11	JP12	JP13
75MHz	Open	Open	Closed
90MHz	Open	Closed	Open
100MHz	Closed	Open	Closed
120MHz	Open	Closed	Open
133MHz	Closed	Open	Closed

CPU SPEED (MX8325)
Setting	JP11	JP12	JP13
75MHz	Closed	Closed	Open
90MHz	Closed	Open	Closed
100MHz	Closed	Closed	Closed
120MHz	Closed	Open	Closed
133MHz	Closed	Closed	Closed

CPU VOLTAGE
Setting		JP7
»	3.3v - 3.45v	Open
	3.45v - 3.6v	Closed

DMA CHANNEL
Setting		JP37	JP38
»	DMA1	Pins 1 & 2 closed	Pins 1 & 2 closed
	DMA3	Pins 2 & 3 closed	Pins 2 & 3 closed

PARALLEL PORT
Setting		JP32	JP36
»	Printer	Pins 2 & 3 closed	Pins 2 & 3 closed
	EPP mode	Pins 2 & 3 closed	Pins 1 & 2 closed
	ECP/EPP	Pins 1 & 2 closed	Pins 2 & 3 closed
	EXT, 2 FDD	Pins 1 & 2 closed	Pins 1 & 2 closed

SERIAL PORT 2
Setting		JP33	JP40
»	COM2	Pins 2 & 3 closed	Pins 1 & 2 closed
	COM3	Pins 1 & 2 closed	Pins 1 & 2 closed
	COM4	Pins 1 & 2 closed	Pins 2 & 3 closed
	Disabled	Pins 2 & 3 closed	Pins 2 & 3 closed

SCSI & SCSI IRQ
Setting	JP18	JP19	JP21	JP22
IRQ9 enabled	Pins 2 & 3 closed	Pins 2 & 3 closed	Open	Pins 1 & 2 closed
IRQ11 enabled	Pins 2 & 3 closed	Pins 2 & 3 closed	Open	Pins 2 & 3 closed
Disabled	Pins 1 & 2 closed	Pins 1 & 2 closed	Closed	Open

DMA
Setting		JP37	JP38
»	DMA1	Pins 1 & 2 closed	Pins 1 & 2 closed
	DMA3	Pins 2 & 3 closed	Pins 2 & 3 closed