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PC164 SCREAMER

MICROWAY, INC.

PC164 SCREAMER

Processor

Alpha

Processor Speed

300/333/366/400/433MHz

Chip Set

Digital

Video Chip Set

None

Maximum Onboard Memory

512MB

Maximum Video Memory

None

Cache

1024KB

BIOS

Unidentified

Dimensions

305mm x 244mm

I/O Options

32-bit PCI slots (2), 64-bit PCI slots (2), floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Chassis fan power

J2

Chassis fan power

J22

Power connector

J3

Speaker

J23

Serial port 1

J4

Reset switch

J24

Serial port 2

J4A

Halt connector

J25

IDE interface 2

J13

Power LED & keylock

J27

IDE interface 1

J14

IDE interface LED

J28

PS/2 mouse port

J15

SROM test port

J32

Parallel port

J16

32-bit PCI slots

PC1 & PC2

Floppy drive interface

J18

64-bit PCI slots

SL1 & SL2

Chassis fan power

J21

   

USER CONFIGURABLE SETTINGS

Function

Label

Position

Factory configured - do not alter

J30 pins 9 & 10

Open

Factory configured - do not alter

J30 pins 15 & 16

Open

Mini debugger disabled

J30 pins 21 & 22

Open

 

Mini debugger enabled

J30 pins 21 & 22

Closed

Boot option select Windows NT ARC firmware loaded

J30 pins 23 & 24

Open

 

Boot option select fail safe boot loaded

J30 pins 23 & 24

Closed

Jumper not used

J30 pins 25 & 26

N/A

Flash BIOS update enabled

J31

Pins 2 & 3 closed

 

Flash BIOS update disabled

J31

Pins 1 & 2 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

16MB

(4) 1M x 36

None

32MB (A)

(4) 1M x 36

(4) 1M x 36

32MB (B)

(4) 2M x 36

None

64MB (A)

(4) 2M x 36

(4) 2M x 36

64MB (B)

(4) 4M x 36

None

128MB (A)

(4) 4M x 36

(4) 4M x 36

128MB (B)

(4) 8M x 36

None

256MB (A)

(4) 8M x 36

(4) 8M x 36

256MB (B)

(4) 16M x 36

None

512MB (B)

(4) 16M x 36

(4) 16M x 36

DRAM JUMPER CONFIGURATION

Size

J1

16MB

Closed

32MB (A)

Open

32MB (B)

Closed

64MB (A)

Open

64MB (B)

Closed

128MB (A)

Open

128MB (B)

Closed

256MB (A)

Open

256MB (B)

Closed

512MB (B)

Open

CACHE CONFIGURATION

Note: Board can be installed with either 1MB or 2MB of cache. The size of the chips is unidentified.

CACHE JUMPER CONFIGURATION

Size

J30

1MB

Pins 11 & 12, 13 & 14 open

2MB

Pins 11 & 12 open, 13 & 14 closed

CACHE SPEED CONFIGURATION

Speed

J30

9ns

Pins 17 & 18, 19 & 20 open

CPU SPEED SELECTION

Speed

J30

300MHz

Pins 3 & 4, 5 & 6 closed

333MHz

Pins 3 & 4, 7 & 8 closed

366MHz

Pins 3 & 4 closed

400MHz

Pins 5 & 6, 7 & 8 closed

433MHz

Pins 5 & 6 closed