ACS-2277-55 Motherboard Settings and Configuration

ACQUIRE COMPUTER SYSTEMS, INC.

ACS-2277-55

Processor
Pentium
Processor Speed
90/100/120/133/150/166/180/200MHz
Chip Set
Intel
Video Chip Set
None
Maximum Onboard Memory
512MB (EDO supported)
Maximum Video Memory
None
Cache
256KB
BIOS
Unidentified
Dimensions
330mm x 218mm
I/O Options
32-bit PCI slots (4), parallel port, PS/2 mouse interface, floppy drive interface, green PC connector, IDE interfaces (2), serial ports (2), cache slot, IR connector
NPU Options
None

CONNECTIONS
Purpose
Location
Purpose
Location
Serial port 1
CN1
Green PC LED
J6
Serial port 2
CN2
Chassis fan power
J8
Parallel port
CN3
PS/2 mouse interface
J10
Floppy drive interface
CN4
IR connector
J25
IDE interface 2
CN5
Turbo switch
JTS
IDE interface 1
CN6
IDE interface LED
JP5
Power LED & keylock
J1
Green PC connector
JP7
Speaker
J2
32-bit PCI slots
PC1 - PC4
Reset switch
J3
Cache slot
SL1

USER CONFIGURABLE SETTINGS
Function
Label
Position
»
Flash BIOS normal operation
JP6
Pins 1 & 2 closed

Flash BIOS boot block enabled
JP6
Pins 2 & 3 closed

Flash BIOS voltage select 12v
JP8
Pins 2 & 3 closed

Flash BIOS voltage select 5v
JP8
Pins 1 & 2 closed

Jumper information unavailable
JP22
Unidentified

DRAM CONFIGURATION
Size
Bank 0
Bank 1
8MB
(2) 1M x 36
None
16MB
(2) 1M x 36
(2) 1M x 36
16MB
(2) 2M x 36
None
24MB
(2) 1M x 36
(2) 2M x 36
24MB
(2) 2M x 36
(2) 1M x 36
32MB
(2) 2M x 36
(2) 2M x 36
32MB
(2) 4M x 36
None
40MB
(2) 1M x 36
(2) 4M x 36
40MB
(2) 4M x 36
(2) 1M x 36
48MB
(2) 2M x 36
(2) 4M x 36
48MB
(2) 4M x 36
(2) 2M x 36
64MB
(2) 4M x 36
(2) 4M x 36
64MB
(2) 8M x 36
None
72MB
(2) 1M x 36
(2) 8M x 36
72MB
(2) 8M x 36
(2) 1M x 36
80MB
(2) 2M x 36
(2) 8M x 36
80MB
(2) 8M x 36
(2) 2M x 36
96MB
(2) 4M x 36
(2) 8M x 36

DRAM CONFIGURATION (CON'T)
Size
Bank 0
Bank 1
96MB
(2) 8M x 36
(2) 4M x 36
128MB
(2) 8M x 36
(2) 8M x 36
256MB
(2) 16M x 36
(2) 16M x 36
512MB
(2) 32M x 36
(2) 32M x 36
Note: Board accepts EDO memory. Board also accepts x 32 SIMMs.

CACHE CONFIGURATION
Size
Bank 0
TAG
SL1
256KB (A)
(2) 32K x 32
Unidentified
None
256KB (B)
None
Unidentified
256KB module installed

CACHE JUMPER CONFIGURATION
Size
JP28
256KB (A)
Pins 1 & 2 closed
256KB (B)
Pins 2 & 3 closed

CPU SPEED SELECTION
CPU speed
Clock speed
JP11
90MHz
60MHz
Pins 2 & 15 closed
100MHz
66MHz
Pins 3 & 16 closed
120MHz
60MHz
Pins 4 & 17 closed
133MHz
66MHz
Pins 5 & 18 closed
150MHz
60MHz
Pins 6 & 19 closed
166MHz
66MHz
Pins 7 & 20 closed
180MHz
60MHz
Pins 8 & 21 closed
200MHz
66MHz
Pins 9 & 22 closed

CPU TYPE SELECTION
Type
JP13
JP14
P54C/P54CS/P54CT/P54CTB
1 & 2
1 & 2
P55C
2 & 3
2 & 3

CPU AT BUS CLOCK SELECTION
Setting
JP17
PCICLK/4
Pins 2 & 3 closed
PCICLK/3
Pins 1 & 2 closed

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ACS-2277-55 Motherboard Settings and Configuration

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Processor	Pentium
Processor Speed	90/100/120/133/150/166/180/200MHz
Chip Set	Intel
Video Chip Set	None
Maximum Onboard Memory	512MB (EDO supported)
Maximum Video Memory	None
Cache	256KB
BIOS	Unidentified
Dimensions	330mm x 218mm
I/O Options	32-bit PCI slots (4), parallel port, PS/2 mouse interface, floppy drive interface, green PC connector, IDE interfaces (2), serial ports (2), cache slot, IR connector
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
Serial port 1	CN1	Green PC LED	J6
Serial port 2	CN2	Chassis fan power	J8
Parallel port	CN3	PS/2 mouse interface	J10
Floppy drive interface	CN4	IR connector	J25
IDE interface 2	CN5	Turbo switch	JTS
IDE interface 1	CN6	IDE interface LED	JP5
Power LED & keylock	J1	Green PC connector	JP7
Speaker	J2	32-bit PCI slots	PC1 - PC4
Reset switch	J3	Cache slot	SL1

USER CONFIGURABLE SETTINGS
Function		Label	Position
»	Flash BIOS normal operation	JP6	Pins 1 & 2 closed
	Flash BIOS boot block enabled	JP6	Pins 2 & 3 closed
	Flash BIOS voltage select 12v	JP8	Pins 2 & 3 closed
	Flash BIOS voltage select 5v	JP8	Pins 1 & 2 closed
	Jumper information unavailable	JP22	Unidentified

DRAM CONFIGURATION
Size	Bank 0	Bank 1
8MB	(2) 1M x 36	None
16MB	(2) 1M x 36	(2) 1M x 36
16MB	(2) 2M x 36	None
24MB	(2) 1M x 36	(2) 2M x 36
24MB	(2) 2M x 36	(2) 1M x 36
32MB	(2) 2M x 36	(2) 2M x 36
32MB	(2) 4M x 36	None
40MB	(2) 1M x 36	(2) 4M x 36
40MB	(2) 4M x 36	(2) 1M x 36
48MB	(2) 2M x 36	(2) 4M x 36
48MB	(2) 4M x 36	(2) 2M x 36
64MB	(2) 4M x 36	(2) 4M x 36
64MB	(2) 8M x 36	None
72MB	(2) 1M x 36	(2) 8M x 36
72MB	(2) 8M x 36	(2) 1M x 36
80MB	(2) 2M x 36	(2) 8M x 36
80MB	(2) 8M x 36	(2) 2M x 36
96MB	(2) 4M x 36	(2) 8M x 36

DRAM CONFIGURATION (CON'T)
Size	Bank 0	Bank 1
96MB	(2) 8M x 36	(2) 4M x 36
128MB	(2) 8M x 36	(2) 8M x 36
256MB	(2) 16M x 36	(2) 16M x 36
512MB	(2) 32M x 36	(2) 32M x 36
Note: Board accepts EDO memory. Board also accepts x 32 SIMMs.

CACHE CONFIGURATION
Size	Bank 0	TAG	SL1
256KB (A)	(2) 32K x 32	Unidentified	None
256KB (B)	None	Unidentified	256KB module installed

CACHE JUMPER CONFIGURATION
Size	JP28
256KB (A)	Pins 1 & 2 closed
256KB (B)	Pins 2 & 3 closed

CPU SPEED SELECTION
CPU speed	Clock speed	JP11
90MHz	60MHz	Pins 2 & 15 closed
100MHz	66MHz	Pins 3 & 16 closed
120MHz	60MHz	Pins 4 & 17 closed
133MHz	66MHz	Pins 5 & 18 closed
150MHz	60MHz	Pins 6 & 19 closed
166MHz	66MHz	Pins 7 & 20 closed
180MHz	60MHz	Pins 8 & 21 closed
200MHz	66MHz	Pins 9 & 22 closed

CPU TYPE SELECTION
Type	JP13	JP14
P54C/P54CS/P54CT/P54CTB	1 & 2	1 & 2
P55C	2 & 3	2 & 3

CPU AT BUS CLOCK SELECTION
Setting	JP17
PCICLK/4	Pins 2 & 3 closed
PCICLK/3	Pins 1 & 2 closed