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PC SERVER 520 (TYPE 8641) MODEL MZO, MZV, MZS, MZL, MZE
IBM CORPORATION
PC SERVER 520 (TYPE 8641) MODEL MZO, MZV, MZS, MZL, MZE
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Processor
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Pentium
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Processor Speed
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Unidentified
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Chip Set
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Unidentified
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Video Chip Set
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Unidentified
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Maximum Onboard Memory
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256MB
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Maximum Video Memory
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Unidentified
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Cache
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512KB
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BIOS
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Unidentified
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Dimensions
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355mm x 304mm
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I/O Options
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32-bit PCI slots (2), floppy drive interface, IDE interfaces (2), SCSI interface, Wide SCSI interfaces (2), parallel port, PS/2 mouse port, serial ports (2), VGA port, cache slot
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NPU Options
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None
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CONNECTIONS
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Purpose
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Location
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Purpose
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Location
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SCSI interface LED
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J2
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Serial port 2
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J21
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IDE interface
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J3
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Serial port 1
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J24
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Chassis fan power
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J4
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Reset switch
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J25
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Speaker
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J6
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SCSI interface
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J28
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CPU fan power
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J8
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Wide SCSI interface (internal)
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J35
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CPU fan power
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J9
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Wide SCSI interface (external)
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J39
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Power LED
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J10
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VGA port
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J40
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IDE interface
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J13
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PS/2 mouse port
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J42
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Parallel port
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J19
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32-bit PCI slots
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PC1 -& PC2
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Floppy drive interface
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J20
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Cache slot
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SL1
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USER CONFIGURABLE SETTINGS
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Function
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Label
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Position
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»
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Factory configured - do not alter
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J3A
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Unidentified
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»
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Factory configured - do not alter
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J12
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Open
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»
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Factory configured - do not alter
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J14
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Unidentified
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»
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Password write enabled
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J15
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Pins 2 & 3 closed
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Password write disabled
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J15
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Pins 1 & 2 closed
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»
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Factory configured - do not alter (C2 cover)
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J16
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Unidentified
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»
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Factory configured - do not alter (C2 keylock)
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J17
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Unidentified
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»
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On board video enabled
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J26
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Pins 1 & 2 closed
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On board video disabled
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J26
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Pins 2 & 3 closed
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»
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On board SCSI enabled
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J27
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Pins 1 & 2 closed
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On board SCSI disabled
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J27
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Pins 2 & 3 closed
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SIMM CONFIGURATION
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Size
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Bank 0
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Bank 1
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Bank 2
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Bank 3
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8MB
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(2) 1M x 36
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None
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None
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None
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16MB
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(2) 2M x 36
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None
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None
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None
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16MB
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(2) 1M x 36
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(2) 1M x 36
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None
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None
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24MB
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(2) 2M x 36
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(2) 1M x 36
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None
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None
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24MB
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(2) 1M x 36
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(2) 1M x 36
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(2) 1M x 36
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None
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32MB
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(2) 4M x 36
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None
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None
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None
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32MB
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(2) 2M x 36
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(2) 2M x 36
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None
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None
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32MB
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(2) 1M x 36
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(2) 1M x 36
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(2) 1M x 36
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(2) 1M x 36
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40MB
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(2) 4M x 36
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(2) 1M x 36
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None
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None
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48MB
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(2) 4M x 36
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(2) 2M x 36
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None
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None
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48MB
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(2) 2M x 36
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(2) 2M x 36
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(2) 2M x 36
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None
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64MB
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(2) 4M x 36
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(2) 2M x 36
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(2) 2M x 36
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None
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64MB
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(2) 8M x 36
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None
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None
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None
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SIMM CONFIGURATION (CON’T)
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Size
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Bank 0
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Bank 1
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Bank 2
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Bank 3
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64MB
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(2) 4M x 36
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(2) 4M x 36
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None
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None
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64MB
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(2) 2M x 36
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(2) 2M x 36
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(2) 2M x 36
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(2) 2M x 36
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72MB
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(2) 8M x 36
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(2) 1M x 36
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None
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None
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80MB
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(2) 8M x 36
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(2) 1M x 36
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(2) 1M x 36
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None
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80MB
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(2) 4M x 36
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(2) 2M x 36
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(2) 2M x 36
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(2) 2M x 36
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80MB
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(2) 8M x 36
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(2) 2M x 36
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None
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None
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88MB
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(2) 8M x 36
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(2) 1M x 36
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(2) 1M x 36
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(2) 1M x 36
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96MB
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(2) 8M x 36
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(2) 2M x 36
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(2) 2M x 36
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None
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96MB
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(2) 8M x 36
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(2) 4M x 36
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None
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None
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96MB
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(2) 4M x 36
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(2) 4M x 36
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(2) 4M x 36
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None
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112MB
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(2) 8M x 36
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(2) 2M x 36
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(2) 2M x 36
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(2) 2M x 36
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128MB
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(2) 8M x 36
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(2) 4M x 36
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(2) 4M x 36
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None
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128MB
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(2) 8M x 36
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(2) 8M x 36
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None
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None
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128MB
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(2) 4M x 36
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(2) 4M x 36
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(2) 4M x 36
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(2) 4M x 36
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160MB
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(2) 8M x 36
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(2) 4M x 36
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(2) 4M x 36
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(2) 4M x 36
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192MB
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(2) 8M x 36
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(2) 8M x 36
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(2) 8M x 36
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None
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256MB
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(2) 8M x 36
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(2) 8M x 36
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(2) 8M x 36
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(2) 8M x 36
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Note: The locations of the banks are unidentified.
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CACHE CONFIGURATION
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Size
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Bank 0
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512KB
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512KB module installed
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VIDEO MEMORY CONFIGURATION
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Note: The size & location of the video memory is unidentified.
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CPU CLOCK SPEED SELECTION
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Speed
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J43
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50MHz
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Pins 2 & 3 closed
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60MHz
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Pins 1 & 2 closed
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