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