M55HI-PLUS Motherboard Settings and Configuration

Processor	Pentium
Processor Speed	90/100/120/133/150/166/200MHz
Chip Set	Intel
Video Chip Set	None
Maximum Onboard Memory	256MB (EDO supported)
Maximum Video Memory	None
Cache	512KB
BIOS	Phoenix
Dimensions	330mm x 218mm
I/O Options	32-bit PCI slots (4), bus mouse port, CD-ROM audio input connector, floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), IR connector, USB connectors (2), microphone connector, audio line in connector, audio line out connector, external audio connector, wavetable connector, game/MIDI port
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
Microphone in connector	J1	Serial port 1	J19
Audio line in connector	J2	IDE interface 2	J25
Audio line out connector	J3	IDE interface 1	J27
Speaker out connector	J4	Floppy drive interface	J28
Game/MIDI port	J5	32-bit PCI slots	PC1 - PC4
USB connector	J6	System power on/off connector	U50 pins 1 & 2
USB connector	J7	IR connector	U50 pins 6 - 10
PS/2 mouse port	J8	Reset switch	U50 pins 12 & 13
CD-ROM audio connector	J13	Speaker	U50 pins 14 - 17
Wavetable connector	J14	Power LED & keylock	U50 pins 18 - 22
Modem connector	J15	IDE interface LED	U50 pins 23 & 24
External audio connector	J16	Turbo LED	U50 pins 25 & 26
Parallel port	J17	Case fan connector	W3
Serial port 2	J18	Chassis fan power	W9

USER CONFIGURABLE SETTINGS
Function		Label	Position
»	Flash BIOS normal operation	W8	Pins 1 & 2 closed
	Flash BIOS recovery mode	W8	Pins 2 & 3 closed
»	CMOS memory normal operation	W10	Pins 1 & 2 closed
	CMOS memory clear	W10	Pins 2 & 3 closed
»	System soft power down enabled	W14	Open
	System soft power down disabled	W14	Closed

DRAM CONFIGURATION
Size	Bank 0	Bank 1
8MB	(2) 1M x 36	None
16MB	(2) 2M x 36	None
16MB	(2) 1M x 36	(2) 1M x 36
24MB	(2) 2M x 36	(2) 1M x 36
32MB	(2) 4M x 36	None
32MB	(2) 2M x 36	(2) 2M x 36
40MB	(2) 4M x 36	(2) 1M x 36
48MB	(2) 4M x 36	(2) 2M x 36
64MB	(2) 8M x 36	None
64MB	(2) 4M x 36	(2) 4M x 36
72MB	(2) 8M x 36	(2) 1M x 36
80MB	(2) 8M x 36	(2) 2M x 36
96MB	(2) 8M x 36	(2) 4M x 36
128MB	(2) 8M x 36	(2) 8M x 36
128MB	(2) 16M x 36	None
256MB	(2) 16M x 36	(2) 16M x 36
Note: Board accepts EDO memory. Board also accepts x 32 SIMMs.

DRAM JUMPER CONFIGURATION
Cacheable DRAM range	W12
Normal	Open
Extended	Closed

CACHE CONFIGURATION

Note: The location of the 512KB cache is unidentified.

CPU SPEED SELECTION
Speed	W1	W2	W4	W5	W6
90MHz	Closed	Open	Closed	Open	Open
100MHz	Open	Closed	Open	Open	Open
120MHz	Closed	Open	Closed	Open	Closed
133MHz	Open	Closed	Open	Open	Closed
150MHz	Closed	Open	Closed	Closed	Closed
166MHz	Open	Closed	Open	Closed	Closed
200MHz	Open	Closed	Open	Closed	Open

CPU TYPE SELECTION
Type	W7
VR	Closed
VRE	Open

AT BUS CLOCK SELECTION
Speed		W13
»	1/4	Closed
	1/3	Open