MB-5865

CSS LABORATORIES, INC.

MB-5865

Processor

Pentium

Processor Speed

75/90/100/120/133/150/166/200MHz

Chip Set

Unidentified

Video Chip Set

None

Maximum Onboard Memory

384MB

Maximum Video Memory

None

Cache

256/512KB

BIOS

Unidentified

Dimensions

330mm x 218mm

I/O Options

32-bit PCI slots (4), floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2), cache slot, IR connector, VRM connector, USB connectors (2)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

USB connector

J1

VRM connector

J29

USB connector

J3

Front panel connector

J30

Auxiliary keyboard/mouse connector

J4

IDE interface LED

J31

Serial port 1

J5

Reset switch

J32/pins 1 & 2

Serial port 2

J6

Turbo LED

J32/pins 3 & 4

IR connector

J7

Speaker

J33

Parallel port

J9

Power LED & keylock

J34

Floppy drive interface

J10

32-bit PCI slots

PC1 – PC4

External battery

J15

Cache slot

SL1

IDE interface 2

J20

Temperature sensor

SEN1

IDE interface 1

J27

Temperature sensor

SEN2

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Factory configured - do not alter (CMOS password)

JP2

Unidentified

»

Factory configured - do not alter (CMOS clear)

JP3

Unidentified

»

Factory configured - do not alter (auxiliary keyboard enabled)

JP4

Unidentified

»

Factory configured - do not alter (auxiliary keyboard enabled)

JP5

Unidentified

ISA bus clock select /3

JP10

Pins 1 & 2 closed

ISA bus clock select /4

JP10

Pins 2 & 3 closed

Turbo LED used as turbo LED

JP15

Pins 1 & 2 closed

Turbo LED used as green PC LED

JP15

Pins 2 & 3 closed

»

Next address normal operation

JP16

Closed

Next address not allowed

JP16

Open

»

Factory configured - do not alter

JP35

Unidentified

DRAM 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

20MB

(2) 1M x 36

(2) 1M x 36

(2) 512K x 36

20MB

(2) 2M x 36

(2) 512K x 36

None

24MB

(2) 2M x 36

(2) 1M x 36

None

24MB

(2) 1M x 36

(2) 1M x 36

(2) 1M x 36

24MB

(2) 2M x 36

(2) 512K x 36

(2) 512K x 36

28MB

(2) 2M x 36

(2) 1M x 36

(2) 512K 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

40MB

(2) 4M x 36

(2) 512K x 36

(2) 512K x 36

44MB

(2) 4M x 36

(2) 1M x 36

(2) 512K x 36

DRAM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

Bank 2

48MB

(2) 4M x 36

(2) 2M x 36

None

48MB

(2) 4M x 36

(2) 1M x 36

(2) 1M x 36

52MB

(2) 4M x 36

(2) 2M x 36

(2) 512K 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

68MB

(2) 8M x 36

(2) 512K x 36

None

68MB

(2) 4M x 36

(2) 4M x 36

(2) 512K x 36

72MB

(2) 8M x 36

(2) 512K x 36

(2) 512K x 36

76MB

(2) 8M x 36

(2) 512K x 36

(2) 1M x 36

80MB

(2) 8M x 36

(2) 2M x 36

None

80MB

(2) 8M x 36

(2) 1M x 36

(2) 1M x 36

84MB

(2) 8M x 36

(2) 2M x 36

(2) 512K 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

100MB

(2) 8M x 36

(2) 4M x 36

(2) 512K 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

132MB

(2) 8M x 36

(2) 8M x 36

(2) 512K x 36

132MB

(2) 16M x 36

(2) 512K 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

140MB

(2) 16M x 36

(2) 1M x 36

(2) 512K x 36

144MB

(2) 16M x 36

(2) 2M x 36

None

144MB

(2) 16M x 36

(2) 1M x 36

(2) 1M x 36

148MB

(2) 16M x 36

(2) 2M x 36

(2) 512K 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

164MB

(2) 16M x 36

(2) 4M x 36

(2) 512K 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

196MB

(2) 16M x 36

(2) 8M x 36

(2) 512K x 36

200MB

(2) 16M x 36

(2) 8M x 36

(2) 1M x 36

208MB

(2) 16M x 36

(2) 8M x 36

(2) 2M x 36

DRAM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

Bank 2

224MB

(2) 16M x 36

(2) 8M x 36

(2) 4M x 36

256MB

(2) 16M x 36

(2) 16M x 36

None

256MB

(2) 16M x 36

(2) 8M x 36

(2) 8M x 36

260MB

(2) 16M x 36

(2) 16M x 36

(2) 512K x 36

264MB

(2) 16M x 36

(2) 16M x 36

(2) 1M x 36

272MB

(2) 16M x 36

(2) 16M x 36

(2) 2M x 36

288MB

(2) 16M x 36

(2) 16M x 36

(2) 4M x 36

320MB

(2) 16M x 36

(2) 16M x 36

(2) 8M x 36

384MB

(2) 16M x 36

(2) 16M x 36

(2) 16M x 36

Note: Board also accepts x 32 SIMMs.

DRAM REFRESH RATE CONFIGURATION

Refresh rate

J28

60MHz

Closed

66MHz

Open

CACHE CONFIGURATION

Size

SL1

256KB

256KB module installed

512KB

512KB module installed

CACHE JUMPER CONFIGURATION

Size

JP13

JP14

None

Pins 1 & 2 closed

Pins 1 & 2 closed

256KB

Pins 2 & 3 closed

Pins 1 & 2 closed

512KB

Pins 1 & 2 closed

Pins 2 & 3 closed

CACHE TYPE CONFIGURATION

Type

JP11

JP12

1-bank pipeline burst

Pins 1 & 2 closed

Pins 1 & 2 closed

2-bank pipeline burst

Pins 2 & 3 closed

Pins 2 & 3 closed

CPU SPEED SELECTION

CPU speed

Clock speed

Multiplier

JP6

JP7

JP17

JP18

75MHz

50MHz

1.5x

2 & 3

2 & 3

Open

Open

90MHz

60MHz

1.5x

2 & 3

1 & 2

Open

Open

100MHz

66MHz

1.5x

1 & 2

2 & 3

Open

Open

120MHz

60MHz

2x

2 & 3

1 & 2

Open

Closed

133MHz

66MHz

2x

1 & 2

2 & 3

Open

Closed

150MHz

60MHz

2.5x

2 & 3

1 & 2

Closed

Closed

166MHz

66MHz

2.5x

1 & 2

2 & 3

Closed

Closed

200MHz

66MHz

3x

1 & 2

2 & 3

Closed

Open

Note: Pins designated should be in the closed position.

FLASH BIOS SELECTION

Setting

JP1

JP8

JP9

Normal operation

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

Programming mode

Pins 1 & 2 closed

Pins 2 & 3 closed

Pins 2 & 3 closed

Processor	Pentium
Processor Speed	75/90/100/120/133/150/166/200MHz
Chip Set	Unidentified
Video Chip Set	None
Maximum Onboard Memory	384MB
Maximum Video Memory	None
Cache	256/512KB
BIOS	Unidentified
Dimensions	330mm x 218mm
I/O Options	32-bit PCI slots (4), floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2), cache slot, IR connector, VRM connector, USB connectors (2)
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
USB connector	J1	VRM connector	J29
USB connector	J3	Front panel connector	J30
Auxiliary keyboard/mouse connector	J4	IDE interface LED	J31
Serial port 1	J5	Reset switch	J32/pins 1 & 2
Serial port 2	J6	Turbo LED	J32/pins 3 & 4
IR connector	J7	Speaker	J33
Parallel port	J9	Power LED & keylock	J34
Floppy drive interface	J10	32-bit PCI slots	PC1 – PC4
External battery	J15	Cache slot	SL1
IDE interface 2	J20	Temperature sensor	SEN1
IDE interface 1	J27	Temperature sensor	SEN2

USER CONFIGURABLE SETTINGS
Function		Label	Position
»	Factory configured - do not alter (CMOS password)	JP2	Unidentified
»	Factory configured - do not alter (CMOS clear)	JP3	Unidentified
»	Factory configured - do not alter (auxiliary keyboard enabled)	JP4	Unidentified
»	Factory configured - do not alter (auxiliary keyboard enabled)	JP5	Unidentified
	ISA bus clock select /3	JP10	Pins 1 & 2 closed
	ISA bus clock select /4	JP10	Pins 2 & 3 closed
	Turbo LED used as turbo LED	JP15	Pins 1 & 2 closed
	Turbo LED used as green PC LED	JP15	Pins 2 & 3 closed
»	Next address normal operation	JP16	Closed
	Next address not allowed	JP16	Open
»	Factory configured - do not alter	JP35	Unidentified

DRAM 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
20MB	(2) 1M x 36	(2) 1M x 36	(2) 512K x 36
20MB	(2) 2M x 36	(2) 512K x 36	None
24MB	(2) 2M x 36	(2) 1M x 36	None
24MB	(2) 1M x 36	(2) 1M x 36	(2) 1M x 36
24MB	(2) 2M x 36	(2) 512K x 36	(2) 512K x 36
28MB	(2) 2M x 36	(2) 1M x 36	(2) 512K 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
40MB	(2) 4M x 36	(2) 512K x 36	(2) 512K x 36
44MB	(2) 4M x 36	(2) 1M x 36	(2) 512K x 36

DRAM CONFIGURATION (CON’T)
Size	Bank 0	Bank 1	Bank 2
48MB	(2) 4M x 36	(2) 2M x 36	None
48MB	(2) 4M x 36	(2) 1M x 36	(2) 1M x 36
52MB	(2) 4M x 36	(2) 2M x 36	(2) 512K 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
68MB	(2) 8M x 36	(2) 512K x 36	None
68MB	(2) 4M x 36	(2) 4M x 36	(2) 512K x 36
72MB	(2) 8M x 36	(2) 512K x 36	(2) 512K x 36
76MB	(2) 8M x 36	(2) 512K x 36	(2) 1M x 36
80MB	(2) 8M x 36	(2) 2M x 36	None
80MB	(2) 8M x 36	(2) 1M x 36	(2) 1M x 36
84MB	(2) 8M x 36	(2) 2M x 36	(2) 512K 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
100MB	(2) 8M x 36	(2) 4M x 36	(2) 512K 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
132MB	(2) 8M x 36	(2) 8M x 36	(2) 512K x 36
132MB	(2) 16M x 36	(2) 512K 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
140MB	(2) 16M x 36	(2) 1M x 36	(2) 512K x 36
144MB	(2) 16M x 36	(2) 2M x 36	None
144MB	(2) 16M x 36	(2) 1M x 36	(2) 1M x 36
148MB	(2) 16M x 36	(2) 2M x 36	(2) 512K 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
164MB	(2) 16M x 36	(2) 4M x 36	(2) 512K 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
196MB	(2) 16M x 36	(2) 8M x 36	(2) 512K x 36
200MB	(2) 16M x 36	(2) 8M x 36	(2) 1M x 36
208MB	(2) 16M x 36	(2) 8M x 36	(2) 2M x 36

DRAM REFRESH RATE CONFIGURATION
Refresh rate	J28
60MHz	Closed
66MHz	Open

CACHE CONFIGURATION
Size	SL1
256KB	256KB module installed
512KB	512KB module installed

CACHE JUMPER CONFIGURATION
Size	JP13	JP14
None	Pins 1 & 2 closed	Pins 1 & 2 closed
256KB	Pins 2 & 3 closed	Pins 1 & 2 closed
512KB	Pins 1 & 2 closed	Pins 2 & 3 closed

CACHE TYPE CONFIGURATION
Type	JP11	JP12
1-bank pipeline burst	Pins 1 & 2 closed	Pins 1 & 2 closed
2-bank pipeline burst	Pins 2 & 3 closed	Pins 2 & 3 closed

CPU SPEED SELECTION
CPU speed	Clock speed	Multiplier	JP6	JP7	JP17	JP18
75MHz	50MHz	1.5x	2 & 3	2 & 3	Open	Open
90MHz	60MHz	1.5x	2 & 3	1 & 2	Open	Open
100MHz	66MHz	1.5x	1 & 2	2 & 3	Open	Open
120MHz	60MHz	2x	2 & 3	1 & 2	Open	Closed
133MHz	66MHz	2x	1 & 2	2 & 3	Open	Closed
150MHz	60MHz	2.5x	2 & 3	1 & 2	Closed	Closed
166MHz	66MHz	2.5x	1 & 2	2 & 3	Closed	Closed
200MHz	66MHz	3x	1 & 2	2 & 3	Closed	Open
Note: Pins designated should be in the closed position.

FLASH BIOS SELECTION
Setting	JP1	JP8	JP9
Normal operation	Pins 1 & 2 closed	Pins 1 & 2 closed	Pins 1 & 2 closed
Programming mode	Pins 1 & 2 closed	Pins 2 & 3 closed	Pins 2 & 3 closed