PC300 (TYPE 6588) Motherboard Settings and Configuration

IBM CORPORATION

PC300 (TYPE 6588)

Device Type
Mainboard
Processor
Pentium II
Processor Speed
233/266/300MHz
Chip Set
Unidentified
Video Chip Set
Unidentified
Maximum Onboard Memory
512MB (EDO supported)
Maximum Video Memory
Unidentified
Cache
256/512KB (located on Pentium II CPU)
BIOS
Unidentified
Dimensions
330mm x 218mm
I/O Options
Ethernet 10BaseT connector, floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse port, serial port, VGA feature connector, VGA port, riser slot, IR connector, USB connectors (2), line in, line out, wavetable connector, audio in – CD-ROM
NPU Options
None

CONNECTIONS
Purpose
Location
Purpose
Location
5v auxiliary power
C1
Ethernet 10BaseT connector
CN2
Telejack connector
C2
USB connector 2
CN3
Audio in - CD-ROM
C3
USB connector 1
CN4
Wavetable connector
C4
Parallel port
CN5
5v power
C5
PS/2 mouse port
CN6
3.3v auxiliary power
C6
Line out
CN7
Power switch connector
C7
Line in
CN8
Power LED/IDE interface LED
C8
VGA feature connector
CN9
CPU fan power
C9
Floppy drive interface
CN10
Chassis fan power
C10
IDE interface 2
CN11
SCSI interface LED
C11
IDE interface 1
CN12
Wake on LAN connector
C12
IR connector
J3M1
Wake on modem connector
C13
Serial port
J4M1
Chassis security connector
C14
Riser slot
SL1
VGA port
CN1

USER CONFIGURABLE SETTINGS
Function
Label
Position
»
Flash BIOS normal operation
J1
Pins 5 & 6 closed

Flash BIOS recovery mode
J1
Pins 4 & 5 closed

Floppy drive normal operation
J2
Pins 5 & 6 closed

Floppy drive read only
J2
Pins 4 & 5 closed
»
Factory configured - do not alter
J4
Pins 2 & 3 closed
»
CMOS memory normal operation
J4
Pins 5 & 6 closed

CMOS memory clear
J4
Pins 4 & 5 closed

Password normal operation
J5
Pins 2 & 3 closed

Password clear
J5
Pins 1 & 2 closed

Setup access normal operation
J5
Pins 5 & 6 closed

Setup access disabled
J5
Pins 4 & 5 closed

DIMM CONFIGURATION
Size
Bank 0
Bank 1
Bank 2
8MB
(1) 1M x 64
None
None
16MB
(1) 2M x 64
None
None
16MB
(1) 1M x 64
(1) 1M x 64
None
24MB
(1) 2M x 64
(1) 1M x 64
None
24MB
(1) 1M x 64
(1) 1M x 64
(1) 1M x 64
32MB
(1) 4M x 64
None
None
32MB
(1) 2M x 64
(1) 1M x 64
(1) 1M x 64
32MB
(1) 2M x 64
(1) 2M x 64
None
32MB
(1) 1M x 64
(1) 1M x 64
(1) 1M x 64

DIMM CONFIGURATION (CON’T)
Size
Bank 0
Bank 1
Bank 2
40MB
(1) 4M x 64
(1) 1M x 64
None
40MB
(1) 2M x 64
(1) 2M x 64
(1) 1M x 64
48MB
(1) 4M x 64
(1) 1M x 64
(1) 1M x 64
48MB
(1) 4M x 64
(1) 2M x 64
None
48MB
(1) 2M x 64
(1) 2M x 64
(1) 2M x 64
56MB
(1) 4M x 64
(1) 2M x 64
(1) 1M x 64
64MB
(1) 8M x 64
None
None
64MB
(1) 4M x 64
(1) 4M x 64
None
64MB
(1) 2M x 64
(1) 2M x 64
(1) 2M x 64
72MB
(1) 8M x 64
(1) 1M x 64
None
72MB
(1) 4M x 64
(1) 4M x 64
(1) 1M x 64
80MB
(1) 8M x 64
(1) 1M x 64
(1) 1M x 64
80MB
(1) 4M x 64
(1) 4M x 64
(1) 2M x 64
88MB
(1) 8M x 64
(1) 2M x 64
(1) 1M x 64
96MB
(1) 8M x 64
(1) 2M x 64
(1) 2M x 64
96MB
(1) 4M x 64
(1) 4M x 64
(1) 4M x 64
104MB
(1) 8M x 64
(1) 4M x 64
(1) 1M x 64
112MB
(1) 8M x 64
(1) 4M x 64
(1) 2M x 64
128MB
(1) 16M x 64
None
None
128MB
(1) 8M x 64
(1) 4M x 64
(1) 4M x 64
128MB
(1) 8M x 64
(1) 8M x 64
None
144MB
(1) 16M x 64
(1) 1M x 64
(1) 1M x 64
144MB
(1) 16M x 64
(1) 2M x 64
None
144MB
(1) 8M x 64
(1) 8M x 64
(1) 2M x 64
152MB
(1) 16M x 64
(1) 2M x 64
(1) 1M x 64
160MB
(1) 16M x 64
(1) 2M x 64
(1) 2M x 64
160MB
(1) 8M x 64
(1) 8M x 64
(1) 4M x 64
168MB
(1) 16M x 64
(1) 4M x 64
(1) 1M x 64
176MB
(1) 16M x 64
(1) 4M x 64
(1) 2M x 64
192MB
(1) 16M x 64
(1) 4M x 64
(1) 4M x 64
192MB
(1) 8M x 64
(1) 8M x 64
(1) 8M x 64
200MB
(1) 16M x 64
(1) 8M x 64
(1) 1M x 64
208MB
(1) 16M x 64
(1) 8M x 64
(1) 2M x 64
224MB
(1) 16M x 64
(1) 8M x 64
(1) 4M x 64
256MB
(1) 16M x 64
(1) 8M x 64
(1) 8M x 64
384MB
(1) 16M x 64
(1) 16M x 64
(1) 16M x 64
512MB
(1) 32M x 64
(1) 32M x 64
None
Note: Board accepts EDO memory.

CACHE CONFIGURATION
Note: 256KB/512KB cache is located on the Pentium II CPU.

VIDEO MEMORY CONFIGURATION
Note: The size and location of the video memory is unidentified.

CPU SPEED SELECTION
CPU speed
Clock speed
Multiplier
J2
J3
233MHz
66MHz
3.5x
2 & 3
2 & 3, 5 & 6
266MHz
66MHz
4x
1 & 2
1 & 2, 4 & 5
300MHz
66MHz
4.5x
1 & 2
2 & 3, 4 & 5
Note: Pins designated should be in the closed position.

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PC300 (TYPE 6588) Motherboard Settings and Configuration

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Device Type	Mainboard
Processor	Pentium II
Processor Speed	233/266/300MHz
Chip Set	Unidentified
Video Chip Set	Unidentified
Maximum Onboard Memory	512MB (EDO supported)
Maximum Video Memory	Unidentified
Cache	256/512KB (located on Pentium II CPU)
BIOS	Unidentified
Dimensions	330mm x 218mm
I/O Options	Ethernet 10BaseT connector, floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse port, serial port, VGA feature connector, VGA port, riser slot, IR connector, USB connectors (2), line in, line out, wavetable connector, audio in – CD-ROM
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
5v auxiliary power	C1	Ethernet 10BaseT connector	CN2
Telejack connector	C2	USB connector 2	CN3
Audio in - CD-ROM	C3	USB connector 1	CN4
Wavetable connector	C4	Parallel port	CN5
5v power	C5	PS/2 mouse port	CN6
3.3v auxiliary power	C6	Line out	CN7
Power switch connector	C7	Line in	CN8
Power LED/IDE interface LED	C8	VGA feature connector	CN9
CPU fan power	C9	Floppy drive interface	CN10
Chassis fan power	C10	IDE interface 2	CN11
SCSI interface LED	C11	IDE interface 1	CN12
Wake on LAN connector	C12	IR connector	J3M1
Wake on modem connector	C13	Serial port	J4M1
Chassis security connector	C14	Riser slot	SL1
VGA port	CN1

USER CONFIGURABLE SETTINGS
Function		Label	Position
»	Flash BIOS normal operation	J1	Pins 5 & 6 closed
	Flash BIOS recovery mode	J1	Pins 4 & 5 closed
	Floppy drive normal operation	J2	Pins 5 & 6 closed
	Floppy drive read only	J2	Pins 4 & 5 closed
»	Factory configured - do not alter	J4	Pins 2 & 3 closed
»	CMOS memory normal operation	J4	Pins 5 & 6 closed
	CMOS memory clear	J4	Pins 4 & 5 closed
	Password normal operation	J5	Pins 2 & 3 closed
	Password clear	J5	Pins 1 & 2 closed
	Setup access normal operation	J5	Pins 5 & 6 closed
	Setup access disabled	J5	Pins 4 & 5 closed

DIMM CONFIGURATION
Size	Bank 0	Bank 1	Bank 2
8MB	(1) 1M x 64	None	None
16MB	(1) 2M x 64	None	None
16MB	(1) 1M x 64	(1) 1M x 64	None
24MB	(1) 2M x 64	(1) 1M x 64	None
24MB	(1) 1M x 64	(1) 1M x 64	(1) 1M x 64
32MB	(1) 4M x 64	None	None
32MB	(1) 2M x 64	(1) 1M x 64	(1) 1M x 64
32MB	(1) 2M x 64	(1) 2M x 64	None
32MB	(1) 1M x 64	(1) 1M x 64	(1) 1M x 64

DIMM CONFIGURATION (CON’T)
Size	Bank 0	Bank 1	Bank 2
40MB	(1) 4M x 64	(1) 1M x 64	None
40MB	(1) 2M x 64	(1) 2M x 64	(1) 1M x 64
48MB	(1) 4M x 64	(1) 1M x 64	(1) 1M x 64
48MB	(1) 4M x 64	(1) 2M x 64	None
48MB	(1) 2M x 64	(1) 2M x 64	(1) 2M x 64
56MB	(1) 4M x 64	(1) 2M x 64	(1) 1M x 64
64MB	(1) 8M x 64	None	None
64MB	(1) 4M x 64	(1) 4M x 64	None
64MB	(1) 2M x 64	(1) 2M x 64	(1) 2M x 64
72MB	(1) 8M x 64	(1) 1M x 64	None
72MB	(1) 4M x 64	(1) 4M x 64	(1) 1M x 64
80MB	(1) 8M x 64	(1) 1M x 64	(1) 1M x 64
80MB	(1) 4M x 64	(1) 4M x 64	(1) 2M x 64
88MB	(1) 8M x 64	(1) 2M x 64	(1) 1M x 64
96MB	(1) 8M x 64	(1) 2M x 64	(1) 2M x 64
96MB	(1) 4M x 64	(1) 4M x 64	(1) 4M x 64
104MB	(1) 8M x 64	(1) 4M x 64	(1) 1M x 64
112MB	(1) 8M x 64	(1) 4M x 64	(1) 2M x 64
128MB	(1) 16M x 64	None	None
128MB	(1) 8M x 64	(1) 4M x 64	(1) 4M x 64
128MB	(1) 8M x 64	(1) 8M x 64	None
144MB	(1) 16M x 64	(1) 1M x 64	(1) 1M x 64
144MB	(1) 16M x 64	(1) 2M x 64	None
144MB	(1) 8M x 64	(1) 8M x 64	(1) 2M x 64
152MB	(1) 16M x 64	(1) 2M x 64	(1) 1M x 64
160MB	(1) 16M x 64	(1) 2M x 64	(1) 2M x 64
160MB	(1) 8M x 64	(1) 8M x 64	(1) 4M x 64
168MB	(1) 16M x 64	(1) 4M x 64	(1) 1M x 64
176MB	(1) 16M x 64	(1) 4M x 64	(1) 2M x 64
192MB	(1) 16M x 64	(1) 4M x 64	(1) 4M x 64
192MB	(1) 8M x 64	(1) 8M x 64	(1) 8M x 64
200MB	(1) 16M x 64	(1) 8M x 64	(1) 1M x 64
208MB	(1) 16M x 64	(1) 8M x 64	(1) 2M x 64
224MB	(1) 16M x 64	(1) 8M x 64	(1) 4M x 64
256MB	(1) 16M x 64	(1) 8M x 64	(1) 8M x 64
384MB	(1) 16M x 64	(1) 16M x 64	(1) 16M x 64
512MB	(1) 32M x 64	(1) 32M x 64	None
Note: Board accepts EDO memory.

CPU SPEED SELECTION
CPU speed	Clock speed	Multiplier	J2	J3
233MHz	66MHz	3.5x	2 & 3	2 & 3, 5 & 6
266MHz	66MHz	4x	1 & 2	1 & 2, 4 & 5
300MHz	66MHz	4.5x	1 & 2	2 & 3, 4 & 5
Note: Pins designated should be in the closed position.