Portable II (Model 000318) Motherboard Settings and Configuration

COMPAQ COMPUTER CORPORATION

Portable II (Model 000318)

Processor
80286
Processor Speed
8MHz
Chip Set
None
Max. Onboard DRAM
640KB
Cache
None
BIOS
Compaq
Dimensions
302mm x 256mm
I/O Options
External memory card
NPU Options
80287

CONNECTIONS
Purpose
Location
Purpose
Location
Drive power
J110
Main power
J117
Speaker
J114
Internal monitor power
J201

USER CONFIGURABLE SETTINGS
Function
Switch
Position
»
Monitor type select Compaq VDU, EGA or RGBI
ED
pins 2 & 3 closed

Monitor type select monochrome (MDA)
ED
pins 1 & 2 closed
»
CPU speed select 8MHz
ES
pins 1 & 2 closed

CPU speed select 6MHz
ES
pins 2 & 3 closed
»
Factory configured - do not alter
EM
N/A

DRAM CONFIGURATION
Size
Bank 0
P-0
Bank 1
128KB
(4) 4464
(2) 4164
NONE
256KB
(4) 4464
(2) 4164
(18) 4164
640KB
(4) 4464
(2) 4164
(18) 41256

DRAM CONFIGURATION
Memory recognized
MS1
MS2
MS3
None
Setting G
Setting G
N/A
256KB
Setting V
Setting G
N/A
512KB
Setting G
Setting V
N/A
640KB
Setting V
Setting V
N/A
1MB
N/A
N/A
Setting V
1.5MB
N/A
N/A
Setting G
Note:The settings G and V are silk-screened on the board. The actual pin connections are unknown.
1MB and 1.5MB configurations require the system memory card to be installed.

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Portable II (Model 000318) Motherboard Settings and Configuration

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Processor	80286
Processor Speed	8MHz
Chip Set	None
Max. Onboard DRAM	640KB
Cache	None
BIOS	Compaq
Dimensions	302mm x 256mm
I/O Options	External memory card
NPU Options	80287

CONNECTIONS
Purpose	Location	Purpose	Location
Drive power	J110	Main power	J117
Speaker	J114	Internal monitor power	J201

USER CONFIGURABLE SETTINGS
Function		Switch	Position
»	Monitor type select Compaq VDU, EGA or RGBI	ED	pins 2 & 3 closed
	Monitor type select monochrome (MDA)	ED	pins 1 & 2 closed
»	CPU speed select 8MHz	ES	pins 1 & 2 closed
	CPU speed select 6MHz	ES	pins 2 & 3 closed
»	Factory configured - do not alter	EM	N/A

DRAM CONFIGURATION
Size	Bank 0	P-0	Bank 1
128KB	(4) 4464	(2) 4164	NONE
256KB	(4) 4464	(2) 4164	(18) 4164
640KB	(4) 4464	(2) 4164	(18) 41256

DRAM CONFIGURATION
Memory recognized	MS1	MS2	MS3
None	Setting G	Setting G	N/A
256KB	Setting V	Setting G	N/A
512KB	Setting G	Setting V	N/A
640KB	Setting V	Setting V	N/A
1MB	N/A	N/A	Setting V
1.5MB	N/A	N/A	Setting G
Note:The settings G and V are silk-screened on the board. The actual pin connections are unknown. 1MB and 1.5MB configurations require the system memory card to be installed.