ACERPOWER ULTIMA (M3A), M3A Motherboard Settings and Configuration

ACER, INC.

ACERPOWER ULTIMA (M3A), M3A

Device Type
Mainboard
Processor
Pentium
Processor Speed
75/90/100/120/133/150/166/200MHz
Chip Set
Intel 440HX
Maximum Onboard Memory
192MB (EDO supported)
Cache
256/512KB
BIOS
Acer
Dimensions
330mm x 218mm
I/O Options
32-bit PCI slots (4), floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), USB connector

CONNECTIONS
Purpose
Location
Purpose
Location
Parallel port
CN1
IDE interface LED
CN12
Soft off power supply
CN2
Speaker
CN13
IDE interface 1
CN4
Power LED & keylock
CN14
IDE interface 2
CN5
LED board connector
CN15
USB connector
CN7
CPU fan power
FA1
Serial port 2
CN8
PS/2 mouse port
MS1
Serial port 1
CN9
32-bit PCI slots
PC1 – PC4
Floppy drive interface
CN10
SCSI/ASM slot
SL1

USER CONFIGURABLE SETTINGS
Function
Label
Position

Factory configured – do not alter
CN6
Unidentified

BIOS type select Acer
JP1
Pins 1 & 2 closed

BIOS type select OEM
JP1
Pins 2 & 3 closed

Password enabled
JP2
Pins 1 & 2 closed

Password disabled
JP2
Pins 2 & 3 closed

Buzzer enabled
JP3
Pins 1 & 2 closed

External speaker enabled
JP3
Pins 2 & 3 closed
Note: The location of CN6 is unidentified.

SIMM CONFIGURATION
Size
Bank 0
Bank 1
Bank 2
8MB
(2) 1M x 36
None
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

SIMM CONFIGURATION (CON’T)
Size
Bank 0
Bank 1
Bank 2
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
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
152MB
(2) 16M x 36
(2) 2M 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
168MB
(2) 16M x 36
(2) 4M x 36
(2) 1M x 36
176MB
(2) 16M x 36
(2) 4M 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: Board accepts EDO memory.

CACHE CONFIGURATION
Size
Bank 0
TAG
256KB
(2) 32K x 32
Unidentified
512KB
(2) 64K x 32
Unidentified

CPU SPEED SELECTION
CPU speed
Clock speed
Multiplier
JP4
JP5
JP6
75MHz
50MHz
1.5x
2 & 3
1 & 2, 4 & 5
2 & 3
90MHz
60MHz
1.5x
2 & 3
1 & 2, 3 & 4
2 & 3
100MHz
66MHz
1.5x
2 & 3
2 & 3, 4 & 5
2 & 3
120MHz
60MHz
2x
2 & 3
1 & 2, 3 & 4
1 & 2
133MHz
66MHz
2x
2 & 3
2 & 3, 4 & 5
1 & 2
150MHz
60MHz
2.5x
1 & 2
1 & 2, 3 & 4
1 & 2
166MHz
66MHz
2.5x
1 & 2
2 & 3, 4 & 5
1 & 2
200MHz
66MHz
3x
1 & 2
2 & 3, 4 & 5
2 & 3
Note: Pins designated should be in the closed position.

CPU TYPE SELECTION
Type
JP7
JP8
JP9
P54C
Pins 1 & 2 closed
Pins 1 & 2 closed
Pins 1 & 2 closed
P55C
Pins 2 & 3 closed
Pins 2 & 3 closed
Pins 2 & 3 closed

CPU VOLTAGE SELECTION
Voltage
JP11
3.3v
Pins 2 & 3 closed
3.45v
Pins 1 & 2 closed

GREEN PC/RESET SELECTION
Setting
JP10
Green PC enabled
Pins 1 & 2 closed
Reset enabled
Pins 2 & 3 closed
Additional reset switch
Pins 3 & 4 closed

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ACERPOWER ULTIMA (M3A), M3A Motherboard Settings and Configuration

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Device Type	Mainboard
Processor	Pentium
Processor Speed	75/90/100/120/133/150/166/200MHz
Chip Set	Intel 440HX
Maximum Onboard Memory	192MB (EDO supported)
Cache	256/512KB
BIOS	Acer
Dimensions	330mm x 218mm
I/O Options	32-bit PCI slots (4), floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), USB connector

CONNECTIONS
Purpose	Location	Purpose	Location
Parallel port	CN1	IDE interface LED	CN12
Soft off power supply	CN2	Speaker	CN13
IDE interface 1	CN4	Power LED & keylock	CN14
IDE interface 2	CN5	LED board connector	CN15
USB connector	CN7	CPU fan power	FA1
Serial port 2	CN8	PS/2 mouse port	MS1
Serial port 1	CN9	32-bit PCI slots	PC1 – PC4
Floppy drive interface	CN10	SCSI/ASM slot	SL1

USER CONFIGURABLE SETTINGS
Function		Label	Position
	Factory configured – do not alter	CN6	Unidentified
	BIOS type select Acer	JP1	Pins 1 & 2 closed
	BIOS type select OEM	JP1	Pins 2 & 3 closed
	Password enabled	JP2	Pins 1 & 2 closed
	Password disabled	JP2	Pins 2 & 3 closed
	Buzzer enabled	JP3	Pins 1 & 2 closed
	External speaker enabled	JP3	Pins 2 & 3 closed
Note: The location of CN6 is unidentified.

SIMM CONFIGURATION
Size	Bank 0	Bank 1	Bank 2
8MB	(2) 1M x 36	None	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

SIMM CONFIGURATION (CON’T)
Size	Bank 0	Bank 1	Bank 2
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
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
152MB	(2) 16M x 36	(2) 2M 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
168MB	(2) 16M x 36	(2) 4M x 36	(2) 1M x 36
176MB	(2) 16M x 36	(2) 4M 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: Board accepts EDO memory.

CACHE CONFIGURATION
Size	Bank 0	TAG
256KB	(2) 32K x 32	Unidentified
512KB	(2) 64K x 32	Unidentified

CPU SPEED SELECTION
CPU speed	Clock speed	Multiplier	JP4	JP5	JP6
75MHz	50MHz	1.5x	2 & 3	1 & 2, 4 & 5	2 & 3
90MHz	60MHz	1.5x	2 & 3	1 & 2, 3 & 4	2 & 3
100MHz	66MHz	1.5x	2 & 3	2 & 3, 4 & 5	2 & 3
120MHz	60MHz	2x	2 & 3	1 & 2, 3 & 4	1 & 2
133MHz	66MHz	2x	2 & 3	2 & 3, 4 & 5	1 & 2
150MHz	60MHz	2.5x	1 & 2	1 & 2, 3 & 4	1 & 2
166MHz	66MHz	2.5x	1 & 2	2 & 3, 4 & 5	1 & 2
200MHz	66MHz	3x	1 & 2	2 & 3, 4 & 5	2 & 3
Note: Pins designated should be in the closed position.

CPU TYPE SELECTION
Type	JP7	JP8	JP9
P54C	Pins 1 & 2 closed	Pins 1 & 2 closed	Pins 1 & 2 closed
P55C	Pins 2 & 3 closed	Pins 2 & 3 closed	Pins 2 & 3 closed

CPU VOLTAGE SELECTION
Voltage	JP11
3.3v	Pins 2 & 3 closed
3.45v	Pins 1 & 2 closed

GREEN PC/RESET SELECTION
Setting	JP10
Green PC enabled	Pins 1 & 2 closed
Reset enabled	Pins 2 & 3 closed
Additional reset switch	Pins 3 & 4 closed