Connectors for:
– AT riser card (120-pin)
– VESA local bus riser card
1
– Input power (12-pin)
– AT diskette drives (34-pin)
– Two 40-pin IDE drive controllers: a primary local bus IDE that
supports two hard disk drives and a secondary IDE that supports a
CD-ROM drive and one hard disk drive, or two hard disk drives.
– Power light-emitting diode (LED)/hard disk LED (4-pin)
Power-on switch 2-wire connector and a power supply auxiliary control
3-wire connector for Rapid Resume features.
Wake Up on Ring connector for Rapid Resume automatic wake-up
features.
Lithium battery.
The Type I-2 system board supports Pentium processors and has the
following features:
P54C socket 7-ZIF connector. You must remove the old processor to
install an upgrade processor.
16KB internal cache memory, and also supports an optional 512KB
external cache modules.
1MB Video DRAM soldered on the system board, and also supports up
to 1MB of video DRAM.
Four gold-contact 72-pin system memory module sockets support either
parity or non-parity memory SIMMs. Memory speed is 70 nanoseconds
(ns). Depending on model, either 4MB, 8MB, or 16MB of system
memory is supplied, and maximum system board memory is 128MB.
Refer to “System Memory” on page 1-27 and to “SIMM
Configurations—Type I-2” on page 5-20.
Ports: serial (two), parallel, keyboard, mouse, and video.
Connectors for:
– AT riser card (120-pin)
– VESA local bus riser card
– Input power (12-pin)
– AT diskette drives (34-pin)
1
See “VESA Local Bus Note” on page 1-6.
General Information
1-7
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