ATLAS VIP Motherboard Settings and Configuration

AMERICAN MEGATRENDS, INC.

ATLAS VIP

Processor
Pentium
Processor Speed
90/100MHz
Chip Set
American Megatrends
Max. Onboard DRAM
128MB
Cache
256/512KB
BIOS
AMI
Dimensions
330mm x 218mm
I/O Options
32-bit PCI slots (3), 32-bit VESA local bus slots (2), floppy drive interface, IDE interface, parallel port, PS/2 mouse port, serial ports (2)
NPU Options
None

CONNECTIONS
Purpose
Location
Purpose
Location
PS/2 mouse port
J2
Power LED & keylock
J40
Serial port 2
J5
Reset switch
J42
Serial port 1
J6
IDE interface LED
J44
External battery
J7
Turbo switch
J46
Floppy drive interface
J8
Turbo LED
LED 1
Parallel port
J9
32-bit PCI slots
PC1 - PC3
IDE interface
J10
32-bit VESA Local bus slots
SL1 & SL2
Speaker
J36

USER CONFIGURABLE SETTINGS
Function
Jumper
Position
»
Factory configured - do not alter
J11
Closed
»
Factory configured - do not alter
J12
Open
»
Factory configured - do not alter
J14
Open
»
Factory configured - do not alter
J15
Open
»
Factory configured - do not alter
J17
Open
»
Factory configured - do not alter
J18
Open
»
Factory configured - do not alter
J22
Open
»
Factory configured - do not alter
J23
Open
»
Flash BIOS write protect enabled
J24
Closed

Flash BIOS write protect disabled
J24
Open
»
Serial port 1 IRQ select IRQ4
J27
pins 1 & 2 closed

Serial port 1 IRQ select IRQ3
J27
pins 2 & 3 closed
»
Parallel port IRQ select IRQ7
J29
pins 1 & 2 closed

Parallel port IRQ select IRQ5
J29
pins 2 & 3 closed
»
Serial port 2 IRQ select IRQ3
J30
pins 1 & 2 closed

Serial port 2 IRQ select IRQ4
J30
pins 2 & 3 closed
»
Onboard mouse IRQ12 enabled
J31
pins 1 & 2 closed

Bus mouse IRQ12 enabled
J31
pins 2 & 3 closed
»
CMOS memory normal operation
J35
pins 1 & 2 closed

CMOS memory clear
J35
pins 2 & 3 closed
»
Factory configured - do not alter
J45
Closed

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
8MB
(2) 1M x 36
NONE
8MB
(2) 512K x 36
(2) 512K x 36
10MB
(2) 256K x 36
(2) 1M x 36
16MB
(2) 2M x 36
NONE
16MB
(2) 1M x 36
(2) 1M x 36
32MB
(2) 2M x 36
(2) 2M x 36
32MB
(2) 4M x 36
NONE
34MB
(2) 256K x 36
(2) 4M x 36
40MB
(2) 1M x 36
(2) 4M x 36
64MB
(2) 8M x 36
NONE
64MB
(2) 4M x 36
(2) 4M x 36
128MB
(2) 8M x 36
(2) 8M x 36

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

CACHE JUMPER CONFIGURATION
Size
J13
J16
J20
256KB
pins 1 & 2 closed
pins 2 & 3 closed
pins 1 & 2 closed
512KB
pins 2 & 3 closed
pins 1 & 2 closed
pins 2 & 3 closed

CPU SPEED CONFIGURATION
Speed
J43
60/66/90i/100iMHz
Open
50/100iMHz
Closed

3.3 VOLT POWER SOURCE CONFIGURATION
Description
J19
J21
RG 1 regulator not used
Open
Open
Single regulator used
pins 1 & 2, 3 & 4, 5 & 6 closed
pins 1 & 2, 3 & 4, 5 & 6 closed

PARALLEL PORT DMA CONFIGURATION
DMA channel
J28
J34
None
Open
Open
DRQ0
pins 1 & 2 closed
pins 1 & 2 closed
DRQ1
pins 3 & 4 closed
pins 3 & 4 closed
DRQ3
pins 5 & 6 closed
pins 5 & 6 closed

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ATLAS VIP Motherboard Settings and Configuration

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Processor	Pentium
Processor Speed	90/100MHz
Chip Set	American Megatrends
Max. Onboard DRAM	128MB
Cache	256/512KB
BIOS	AMI
Dimensions	330mm x 218mm
I/O Options	32-bit PCI slots (3), 32-bit VESA local bus slots (2), floppy drive interface, IDE interface, parallel port, PS/2 mouse port, serial ports (2)
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
PS/2 mouse port	J2	Power LED & keylock	J40
Serial port 2	J5	Reset switch	J42
Serial port 1	J6	IDE interface LED	J44
External battery	J7	Turbo switch	J46
Floppy drive interface	J8	Turbo LED	LED 1
Parallel port	J9	32-bit PCI slots	PC1 - PC3
IDE interface	J10	32-bit VESA Local bus slots	SL1 & SL2
Speaker	J36

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	Factory configured - do not alter	J11	Closed
»	Factory configured - do not alter	J12	Open
»	Factory configured - do not alter	J14	Open
»	Factory configured - do not alter	J15	Open
»	Factory configured - do not alter	J17	Open
»	Factory configured - do not alter	J18	Open
»	Factory configured - do not alter	J22	Open
»	Factory configured - do not alter	J23	Open
»	Flash BIOS write protect enabled	J24	Closed
	Flash BIOS write protect disabled	J24	Open
»	Serial port 1 IRQ select IRQ4	J27	pins 1 & 2 closed
	Serial port 1 IRQ select IRQ3	J27	pins 2 & 3 closed
»	Parallel port IRQ select IRQ7	J29	pins 1 & 2 closed
	Parallel port IRQ select IRQ5	J29	pins 2 & 3 closed
»	Serial port 2 IRQ select IRQ3	J30	pins 1 & 2 closed
	Serial port 2 IRQ select IRQ4	J30	pins 2 & 3 closed
»	Onboard mouse IRQ12 enabled	J31	pins 1 & 2 closed
	Bus mouse IRQ12 enabled	J31	pins 2 & 3 closed
»	CMOS memory normal operation	J35	pins 1 & 2 closed
	CMOS memory clear	J35	pins 2 & 3 closed
»	Factory configured - do not alter	J45	Closed

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
8MB	(2) 1M x 36	NONE
8MB	(2) 512K x 36	(2) 512K x 36
10MB	(2) 256K x 36	(2) 1M x 36
16MB	(2) 2M x 36	NONE
16MB	(2) 1M x 36	(2) 1M x 36
32MB	(2) 2M x 36	(2) 2M x 36
32MB	(2) 4M x 36	NONE
34MB	(2) 256K x 36	(2) 4M x 36
40MB	(2) 1M x 36	(2) 4M x 36
64MB	(2) 8M x 36	NONE
64MB	(2) 4M x 36	(2) 4M x 36
128MB	(2) 8M x 36	(2) 8M x 36

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

CACHE JUMPER CONFIGURATION
Size	J13	J16	J20
256KB	pins 1 & 2 closed	pins 2 & 3 closed	pins 1 & 2 closed
512KB	pins 2 & 3 closed	pins 1 & 2 closed	pins 2 & 3 closed

CPU SPEED CONFIGURATION
Speed	J43
60/66/90i/100iMHz	Open
50/100iMHz	Closed

3.3 VOLT POWER SOURCE CONFIGURATION
Description	J19	J21
RG 1 regulator not used	Open	Open
Single regulator used	pins 1 & 2, 3 & 4, 5 & 6 closed	pins 1 & 2, 3 & 4, 5 & 6 closed

PARALLEL PORT DMA CONFIGURATION
DMA channel	J28	J34
None	Open	Open
DRQ0	pins 1 & 2 closed	pins 1 & 2 closed
DRQ1	pins 3 & 4 closed	pins 3 & 4 closed
DRQ3	pins 5 & 6 closed	pins 5 & 6 closed