ERI-LAN486E Motherboard Settings and Configuration

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ERI-LAN486E

Processor
80486SX/80486DX
Processor Speed
25/33/50/50(internal)MHz
Chip Set
Symphony
Max. Onboard DRAM
16MB
Cache
None
BIOS
AMI
Dimensions
254mm x 230mm
I/O Options
Bus mouse port, ethernet ports (3), floppy drive interface, IDE interface, parallel port, serial ports (2)
NPU Options
None

CONNECTIONS
Purpose
Location
Purpose
Location
Link LED
D2
Speaker
JP18
IDE hard disk interface
JP1
Reset switch
JP19
Floppy disk interface
JP2
Ethernet 10Base5 (AUI)
JP21
Serial port 2
JP7
Ethernet 10BaseT
P1
Turbo LED
JP12
Ethernet 10Base2
P2
Turbo switch
JP14
Parallel port
P3
IDE interface LED
JP16
Serial port 1
P4
Power LED & keylock
JP17
Bus mouse
P5

USER CONFIGURABLE SETTINGS
Function
Jumper/Switch
Position
»
Monitor type select color
JP22
closed

Monitor type select monochrome
JP22
open
»
Serial port 1 interrupt IRQ4 enabled
JP24
closed

Serial port 1 interrupt IRQ4 disabled
JP24
open
»
Serial port 2 interrupt IRQ3 enabled
JP25
closed

Serial port 2 interrupt IRQ3 disabled
JP25
open
»
Parallel port select LPT1 interrupt IRQ7
JP27
closed

Parallel port disabled
JP27
open
»
Mouse port select interrupt IRQ12 enabled
JP28
closed

Mouse port select interrupt IRQ12 disabled
JP28
open
»
Ethernet type select 10BaseT (RJ45)
SW1
1

Ethernet type select 10Base2 (BNC)
SW1
2

Ethernet type select 10Base5 (AUI)
SW1
N/A
DRAM CONFIGURATION
Size
Bank 0
1MB
(4) 256K x 9
4MB
(4) 1M x 9
16MB
(4) 4M x 9
ETHERNET CONTROLLER I/O ADDRESS CONFIGURATION
I/O Address
JP8

300H
open

320H
pins 1 & 2, 3 & 4, and 5 & 6 closed

330H
pins 1 & 2 and 3 & 4 closed

340H
pins 1 & 2 and 5 & 6 closed

350H
pins 1 & 2 closed
»
360H
pins 5 & 6 closed

380H
pins 3 & 4 and 5 & 6 closed
REMOTE BOOT ROM CONFIGURATION
Setting
JP15
JP26
»
Disabled
pins 1 & 2 closed
N/A

C8OOOH-C9FFFH
pins 2 & 3 closed
pins 1 & 2 and 3 & 4 closed

CCOOOH-CDFFFH
pins 2 & 3 closed
pins 1 & 2 closed

D8OOOH-D9FFFH
pins 2 & 3 closed
pins 3 & 4 closed

DCOOOH-DDFFFH
pins 2 & 3 closed
open
ETHERNET INTERRUPT CONFIGURATION
Interrupt
JP26
IRQ3
pins 1 & 2 closed
IRQ5
pins 3 & 4 closed
IRQ9
pins 5 & 6 closed
IRQ10
pins 7 & 8 closed
IRQ11
pins 9 & 10 closed
IRQ12
pins 11 & 12 closed
IRQ15
pins 13 & 14 closed

ERI-LAN486E Motherboard Settings and Configuration

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Processor	80486SX/80486DX
Processor Speed	25/33/50/50(internal)MHz
Chip Set	Symphony
Max. Onboard DRAM	16MB
Cache	None
BIOS	AMI
Dimensions	254mm x 230mm
I/O Options	Bus mouse port, ethernet ports (3), floppy drive interface, IDE interface, parallel port, serial ports (2)
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
Link LED	D2	Speaker	JP18
IDE hard disk interface	JP1	Reset switch	JP19
Floppy disk interface	JP2	Ethernet 10Base5 (AUI)	JP21
Serial port 2	JP7	Ethernet 10BaseT	P1
Turbo LED	JP12	Ethernet 10Base2	P2
Turbo switch	JP14	Parallel port	P3
IDE interface LED	JP16	Serial port 1	P4
Power LED & keylock	JP17	Bus mouse	P5

USER CONFIGURABLE SETTINGS
Function		Jumper/Switch	Position
»	Monitor type select color	JP22	closed
	Monitor type select monochrome	JP22	open
»	Serial port 1 interrupt IRQ4 enabled	JP24	closed
	Serial port 1 interrupt IRQ4 disabled	JP24	open
»	Serial port 2 interrupt IRQ3 enabled	JP25	closed
	Serial port 2 interrupt IRQ3 disabled	JP25	open
»	Parallel port select LPT1 interrupt IRQ7	JP27	closed
	Parallel port disabled	JP27	open
»	Mouse port select interrupt IRQ12 enabled	JP28	closed
	Mouse port select interrupt IRQ12 disabled	JP28	open
»	Ethernet type select 10BaseT (RJ45)	SW1	1
	Ethernet type select 10Base2 (BNC)	SW1	2
	Ethernet type select 10Base5 (AUI)	SW1	N/A

DRAM CONFIGURATION
Size	Bank 0
1MB	(4) 256K x 9
4MB	(4) 1M x 9
16MB	(4) 4M x 9

ETHERNET CONTROLLER I/O ADDRESS CONFIGURATION
I/O Address		JP8
	300H	open
	320H	pins 1 & 2, 3 & 4, and 5 & 6 closed
	330H	pins 1 & 2 and 3 & 4 closed
	340H	pins 1 & 2 and 5 & 6 closed
	350H	pins 1 & 2 closed
»	360H	pins 5 & 6 closed
	380H	pins 3 & 4 and 5 & 6 closed

REMOTE BOOT ROM CONFIGURATION
Setting		JP15	JP26
»	Disabled	pins 1 & 2 closed	N/A
	C8OOOH-C9FFFH	pins 2 & 3 closed	pins 1 & 2 and 3 & 4 closed
	CCOOOH-CDFFFH	pins 2 & 3 closed	pins 1 & 2 closed
	D8OOOH-D9FFFH	pins 2 & 3 closed	pins 3 & 4 closed
	DCOOOH-DDFFFH	pins 2 & 3 closed	open

ETHERNET INTERRUPT CONFIGURATION
Interrupt	JP26
IRQ3	pins 1 & 2 closed
IRQ5	pins 3 & 4 closed
IRQ9	pins 5 & 6 closed
IRQ10	pins 7 & 8 closed
IRQ11	pins 9 & 10 closed
IRQ12	pins 11 & 12 closed
IRQ15	pins 13 & 14 closed