IBM Aptiva 2159, Руководство пользователя

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Product Description
This manual contains service information for the Service Level A (SL-A)
model of the IBM Aptiva Personal Computer, for the U.S., Canada, and
Japan.
The Machine Type 2159 contains slots for seven adapter cards and bays for
eight input/output devices (drives).
For FRU parts information, see the Appendix B, “Model/Monitor
Configurations and FRU Part Numbers” on page B-1.
VESA Local Bus Note: The VESA local bus connector generally conforms
to the Video Electronics Standards Association (VESA) VL-Bus Specification
2.0 (32 bit). Local bus adapter cards vary in degree of adherence to this
standard. Therefore, IBM cannot guarantee that all available local bus
option cards will perform according to manufacturer’s claims.
This computer will support Internal or External video, but not both
simultaneously.
Security: Power-on password. See “Power-On Password, CMOS Reset”
on page 1-12.
System Boards: See “System Board Layout” on page 5-2 for system
board jumper and connector locations.
The system board supports Pentium processors and has the following
features:
Ÿ
P54C socket 7-ZIF connector. You must remove the old processor to
install an upgrade processor.
Ÿ
16 KB internal cache memory, and also supports an optional 256 KB or
512 KB external cache modules.
Ÿ
2 MB Video DRAM soldered on the system board.
Ÿ
Four, 72-pin system memory module sockets support these memory
modules:
– 4 MB, 8 MB, 16 MB, or 32 MB SIMM modules.
– Parity (36 bit) or Non-Parity (32 bit) memory SIMMs.
– Memory speed of 60 nanoseconds (ns).
– Tin-lead contacts.
– Fast page mode or extended data out (EDO).
– Dynamic Random Access Memory (DRAM).
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