V12P Motherboard Settings and Configuration

ACER, INC.

V12P

Processor
Pentium
Processor Speed
Unidentified
Chip Set
Unidentified
Video Chip Set
None
Maximum Onboard Memory
192MB
Maximum Video Memory
None
Cache
256/512KB
BIOS
Unidentified
Dimensions
330mm x 218mm
I/O Options
32-bit PCI slots (3), floppy drive interface, IDE interface, parallel port, PS/2 mouse port, serial ports (2)
NPU Options
None

CONNECTIONS
Purpose
Location
Purpose
Location
Parallel port
CN1
IDE interface
CN5
Serial port 2
CN2
Chassis fan power
J1
Floppy drive interface
CN3
Keyboard & PS/2 mouse connector
J2
Serial port 1
CN4
32-bit PCI slots
PC1 - PC3

USER CONFIGURABLE SETTINGS
Function
Label
Position

MS105 SIO chip enabled
JP5
Closed

MS105 SIO chip disabled
JP5
Open

Parallel port bidirectional
JP6
Closed

Parallel port unidirectional
JP6
Open
»
Factory configured - do not alter
JP7
Unidentified
»
Factory configured - do not alter
JP8
Unidentified
»
Factory configured - do not alter
JP9
Unidentified

Password disabled
JP11
Pins 1 & 2 closed

Password enabled
JP11
Pins 2 & 3 closed

Keylock disabled
JP17
Closed

Keylock enabled
JP17
Open

DRAM CONFIGURATION
Size
Bank 0
Bank 1
Bank 2
4MB
(2) 1M x 36
None
None
8MB
(2) 1M x 36
(2) 1M x 36
None
16MB
(2) 1M x 36
(2) 1M x 36
None
16MB
(2) 2M x 36
None
None
24MB
(2) 2M x 36
(2) 1M x 36
None
24MB
(2) 1M x 36
(2) 1M x 36
(2) 1M x 36
32MB
(2) 4M x 36
None
None
32MB
(2) 2M x 36
(2) 2M x 36
None
40MB
(2) 4M x 36
(2) 1M x 36
None
48MB
(2) 4M x 36
(2) 2M x 36
None
48MB
(2) 4M x 36
(2) 1M x 36
(2) 1M x 36
56MB
(2) 4M x 36
(2) 2M x 36
(2) 1M x 36
64MB
(2) 8M x 36
None
None
64MB
(2) 4M x 36
(2) 4M x 36
None
80MB
(2) 8M x 36
(2) 2M x 36
None
80MB
(2) 8M x 36
(2) 1M x 36
(2) 1M x 36
88MB
(2) 8M x 36
(2) 2M x 36
(2) 1M x 36
96MB
(2) 8M x 36
(2) 4M x 36
None
96MB
(2) 4M x 36
(2) 4M x 36
(2) 4M x 36
96MB
(2) 8M x 36
(2) 2M x 36
(2) 2M x 36
104MB
(2) 8M x 36
(2) 4M x 36
(2) 1M x 36
112MB
(2) 8M x 36
(2) 4M x 36
(2) 2M x 36
128MB
(2) 8M x 36
(2) 4M x 36
(2) 4M x 36
128MB
(2) 16M x 36
None
None
128MB
(2) 8M x 36
(2) 8M x 36
None

DRAM CONFIGURATION (CON'T)
Size
Bank 0
Bank 1
Bank 2
136MB
(2) 8M x 36
(2) 8M x 36
(2) 1M x 36
136MB
(2) 16M x 36
(2) 1M x 36
None
144MB
(2) 16M x 36
(2) 2M x 36
None
144MB
(2) 16M x 36
(2) 1M x 36
(2) 1M x 36
160MB
(2) 16M x 36
(2) 4M x 36
None
160MB
(2) 16M x 36
(2) 2M x 36
(2) 2M x 36
192MB
(2) 16M x 36
(2) 8M x 36
None
192MB
(2) 16M x 36
(2) 4M x 36
(2) 4M x 36
Note: The location of the banks is unidentified.

CACHE CONFIGURATION
Note: Board accepts 256KB/512KB cache. 256KB is factory installed and is not configurable. To upgrade to 512KB, install cache module at S1/S2. The size and actual configuration of the module is unidentified.

CACHE JUMPER CONFIGURATION
Size
JP10
JP12
None
Pins 1 & 2 closed
Pins 1 & 2 closed
256KB
Pins 2 & 3 closed
Pins 1 & 2 closed
512KB
Pins 2 & 3 closed
Pins 2 & 3 closed

CACHE SIGNAL CONFIGURATION
Setting
JP14
JP15
Enabled
Closed
Closed
Disabled
Open
Open

CACHE TYPE CONFIGURATION
Type
JP13
Standard
Pins 1 & 2 closed
Burst
Pins 2 & 3 closed

PCI INTERRUPT B SELECTION
Setting
JP2
IRQ14
Pins 3 & 4 closed
IRQ15
Pins 1 & 2 closed
Disabled
Pins 2 & 3 closed

PCI INTERRUPT C SELECTION
Setting
JP3
IRQ11
Pins 1 & 2 closed
IRQ15
Pins 2 & 3 closed
Disabled
Pins 3 & 4 closed

PCI INTERRUPT D SELECTION
Setting
JP4
IRQ10
Pins 1 & 2 closed
IRQ15
Pins 3 & 4 closed
Disabled
Pins 2 & 3 closed

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V12P Motherboard Settings and Configuration

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Processor	Pentium
Processor Speed	Unidentified
Chip Set	Unidentified
Video Chip Set	None
Maximum Onboard Memory	192MB
Maximum Video Memory	None
Cache	256/512KB
BIOS	Unidentified
Dimensions	330mm x 218mm
I/O Options	32-bit PCI slots (3), floppy drive interface, IDE interface, parallel port, PS/2 mouse port, serial ports (2)
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
Parallel port	CN1	IDE interface	CN5
Serial port 2	CN2	Chassis fan power	J1
Floppy drive interface	CN3	Keyboard & PS/2 mouse connector	J2
Serial port 1	CN4	32-bit PCI slots	PC1 - PC3

USER CONFIGURABLE SETTINGS
Function		Label	Position
	MS105 SIO chip enabled	JP5	Closed
	MS105 SIO chip disabled	JP5	Open
	Parallel port bidirectional	JP6	Closed
	Parallel port unidirectional	JP6	Open
»	Factory configured - do not alter	JP7	Unidentified
»	Factory configured - do not alter	JP8	Unidentified
»	Factory configured - do not alter	JP9	Unidentified
	Password disabled	JP11	Pins 1 & 2 closed
	Password enabled	JP11	Pins 2 & 3 closed
	Keylock disabled	JP17	Closed
	Keylock enabled	JP17	Open

DRAM CONFIGURATION
Size	Bank 0	Bank 1	Bank 2
4MB	(2) 1M x 36	None	None
8MB	(2) 1M x 36	(2) 1M x 36	None
16MB	(2) 1M x 36	(2) 1M x 36	None
16MB	(2) 2M x 36	None	None
24MB	(2) 2M x 36	(2) 1M x 36	None
24MB	(2) 1M x 36	(2) 1M x 36	(2) 1M x 36
32MB	(2) 4M x 36	None	None
32MB	(2) 2M x 36	(2) 2M x 36	None
40MB	(2) 4M x 36	(2) 1M x 36	None
48MB	(2) 4M x 36	(2) 2M x 36	None
48MB	(2) 4M x 36	(2) 1M x 36	(2) 1M x 36
56MB	(2) 4M x 36	(2) 2M x 36	(2) 1M x 36
64MB	(2) 8M x 36	None	None
64MB	(2) 4M x 36	(2) 4M x 36	None
80MB	(2) 8M x 36	(2) 2M x 36	None
80MB	(2) 8M x 36	(2) 1M x 36	(2) 1M x 36
88MB	(2) 8M x 36	(2) 2M x 36	(2) 1M x 36
96MB	(2) 8M x 36	(2) 4M x 36	None
96MB	(2) 4M x 36	(2) 4M x 36	(2) 4M x 36
96MB	(2) 8M x 36	(2) 2M x 36	(2) 2M x 36
104MB	(2) 8M x 36	(2) 4M x 36	(2) 1M x 36
112MB	(2) 8M x 36	(2) 4M x 36	(2) 2M x 36
128MB	(2) 8M x 36	(2) 4M x 36	(2) 4M x 36
128MB	(2) 16M x 36	None	None
128MB	(2) 8M x 36	(2) 8M x 36	None

DRAM CONFIGURATION (CON'T)
Size	Bank 0	Bank 1	Bank 2
136MB	(2) 8M x 36	(2) 8M x 36	(2) 1M x 36
136MB	(2) 16M x 36	(2) 1M x 36	None
144MB	(2) 16M x 36	(2) 2M x 36	None
144MB	(2) 16M x 36	(2) 1M x 36	(2) 1M x 36
160MB	(2) 16M x 36	(2) 4M x 36	None
160MB	(2) 16M x 36	(2) 2M x 36	(2) 2M x 36
192MB	(2) 16M x 36	(2) 8M x 36	None
192MB	(2) 16M x 36	(2) 4M x 36	(2) 4M x 36
Note: The location of the banks is unidentified.

CACHE JUMPER CONFIGURATION
Size	JP10	JP12
None	Pins 1 & 2 closed	Pins 1 & 2 closed
256KB	Pins 2 & 3 closed	Pins 1 & 2 closed
512KB	Pins 2 & 3 closed	Pins 2 & 3 closed

CACHE SIGNAL CONFIGURATION
Setting	JP14	JP15
Enabled	Closed	Closed
Disabled	Open	Open

CACHE TYPE CONFIGURATION
Type	JP13
Standard	Pins 1 & 2 closed
Burst	Pins 2 & 3 closed

PCI INTERRUPT B SELECTION
Setting	JP2
IRQ14	Pins 3 & 4 closed
IRQ15	Pins 1 & 2 closed
Disabled	Pins 2 & 3 closed

PCI INTERRUPT C SELECTION
Setting	JP3
IRQ11	Pins 1 & 2 closed
IRQ15	Pins 2 & 3 closed
Disabled	Pins 3 & 4 closed

PCI INTERRUPT D SELECTION
Setting	JP4
IRQ10	Pins 1 & 2 closed
IRQ15	Pins 3 & 4 closed
Disabled	Pins 2 & 3 closed