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7255 Motherboard Settings and Configuration






MEMOREX TELEX CORPORATION

7255

Processor

80386SX

Processor Speed

16MHz

Chip Set

Unidentified

Video Chip Set

Unidentified

Maximum Onboard Memory

8MB

Maximum Video Memory

Unidentified

Cache

None

BIOS

Unidentified

Dimensions

355mm x 304mm

I/O Options

Floppy drive interface, parallel port, PS/2 mouse port, serial port, VGA port

NPU Options

80387SX

CONNECTIONS

Purpose

Location

Purpose

Location

Speaker

J1

Serial port

J12

Reset switch/LED

J2

Parallel port

J13

Keylock

J3

Keyboard connector

J14

External battery

J4

Floppy drive interface

J15

VGA port

J11

PS/2 mouse port

J16

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

1MB

(2) 256K x 9

(2) 256K x 9

None

None

2MB

(2) 256K x 9

(2) 256K x 9

(2) 256K x 9

(2) 256K x 9

2MB

(2) 1M x 9

None

None

None

4MB

(2) 1M x 9

None

None

(2) 1M x 9

8MB

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

Note: The location of banks 0, 1, 2 & 3 are unidentified.








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