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 |