...because we can't all be on the bleeding edge...





PC SERVER 520 (TYPE 8641) MODEL EZO, EZV, EZL, EZS, EZE

IBM CORPORATION

PC SERVER 520 (TYPE 8641) MODEL EZO, EZV, EZL, EZS, EZE

Processor

Pentium

Processor Speed

90/100MHz

Chip Set

Unidentified

Video Chip Set

None

Maximum Onboard Memory

256MB

Maximum Video Memory

None

Cache

256/512KB

BIOS

Unidentified

Dimensions

355mm x 304mm

I/O Options

32-bit PCI slots (3), floppy drive interface, IDE interface, parallel port, PS/2 mouse port, serial ports (2)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

PS/2 mouse port

J6

Speaker

W12

Parallel port

J9

Power LED & keylock

W18

Floppy drive interface

J10

IDE interface LED

W24

Serial port 1

J11

CPU fan power

W35

Serial port 2

J12

CPU fan power

W36

IDE interface

J13

32-bit PCI slots

PC1 PC3

USER CONFIGURABLE SETTINGS

Function

Label

Position

Cache type select write back

W1

Open

 

Cache type select write through

W1

Closed

Factory configured - do not alter

W2

Open

Factory configured - do not alter

W10

Pins 2 & 3 closed

Factory configured - do not alter

W11

Unidentified

Factory configured - do not alter

W13

Unidentified

Factory configured - do not alter

W14

Unidentified

Factory configured - do not alter

W15

Unidentified

Factory configured - do not alter

W16

Pins 1 & 2 closed

Factory configured - do not alter

W17

Closed

Monitor type select color

W20

Closed

 

Monitor type select monochrome

W20

Open

Keyboard type select PS/2

W21

Closed

 

Keyboard type select AT

W21

Open

Factory configured - do not alter

W22

Open

Factory configured - do not alter

W23

Open

IDE IRQ select IRQ14

W25

Pins 1 & 2 closed

 

IDE IRQ select IRQ15

W25

Pins 2 & 3 closed

Factory configured - do not alter

W30

Open

Factory configured - do not alter

W32

Unidentified

Factory configured - do not alter

W33

Unidentified

Factory configured - do not alter

W34

Unidentified

Factory configured - do not alter

W37

Unidentified

Factory configured - do not alter

W88

Unidentified

Factory configured - do not alter

WU

Unidentified

SIMM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

8MB

(2) 1M x 36

None

None

None

16MB

(2) 2M x 36

None

None

None

16MB

(2) 1M x 36

(2) 1M x 36

None

None

24MB

(2) 2M x 36

(2) 1M x 36

None

None

24MB

(2) 1M x 36

(2) 1M x 36

(2) 1M x 36

None

32MB

(2) 4M x 36

None

None

None

32MB

(2) 2M x 36

(2) 2M x 36

None

None

32MB

(2) 1M x 36

(2) 1M x 36

(2) 1M x 36

(2) 1M x 36

40MB

(2) 4M x 36

(2) 1M x 36

None

None

48MB

(2) 4M x 36

(2) 2M x 36

None

None

48MB

(2) 2M x 36

(2) 2M x 36

(2) 2M x 36

None

64MB

(2) 4M x 36

(2) 2M x 36

(2) 2M x 36

None

64MB

(2) 8M x 36

None

None

None

64MB

(2) 4M x 36

(2) 4M x 36

None

None

64MB

(2) 2M x 36

(2) 2M x 36

(2) 2M x 36

(2) 2M x 36

72MB

(2) 8M x 36

(2) 1M x 36

None

None

80MB

(2) 8M x 36

(2) 1M x 36

(2) 1M x 36

None

80MB

(2) 4M x 36

(2) 2M x 36

(2) 2M x 36

(2) 2M x 36

80MB

(2) 8M x 36

(2) 2M x 36

None

None

88MB

(2) 8M x 36

(2) 1M x 36

(2) 1M x 36

(2) 1M x 36

96MB

(2) 8M x 36

(2) 2M x 36

(2) 2M x 36

None

96MB

(2) 8M x 36

(2) 4M x 36

None

None

96MB

(2) 4M x 36

(2) 4M x 36

(2) 4M x 36

None

112MB

(2) 8M x 36

(2) 2M x 36

(2) 2M x 36

(2) 2M x 36

128MB

(2) 8M x 36

(2) 4M x 36

(2) 4M x 36

None

128MB

(2) 8M x 36

(2) 8M x 36

None

None

128MB

(2) 4M x 36

(2) 4M x 36

(2) 4M x 36

(2) 4M x 36

160MB

(2) 8M x 36

(2) 4M x 36

(2) 4M x 36

(2) 4M x 36

192MB

(2) 8M x 36

(2) 8M x 36

(2) 8M x 36

None

256MB

(2) 8M x 36

(2) 8M x 36

(2) 8M x 36

(2) 8M x 36

CACHE CONFIGURATION

Size

Bank 0

Bank 1

256KB

(4) 32K x 8

(4) 32K x 8

512KB

(4) 64K x 8

(4) 64K x 8

CACHE JUMPER CONFIGURATION

Size

W5

256KB

Pins 1 & 2 closed

512KB

Pins 2 & 3 closed

CPU SPEED SELECTION

Speed

W6

90MHz

Pins 1 & 2 closed

100MHz

Pins 2 & 3 closed