Rear-Panel I/O; Pci Video; Fault Current Limits - Intel NetStructure ZT 5504 Manual

Fault Current Limits

Power Source Minimum
+5.0V 10.0A
+3.3V 9.4A
+12V 1.0A
-12V 0.6A
Notes:
• The fault trip currents listed above are design values. Noisy power sources can lower the fault trip
current limits to less than the minimum design values.
•
Over-current on the -12V supply does not activate the fault trip circuit breaker and the LED will not
turn amber. -12V is over-current protected by a resettable (PTC) 0.75A fuse.

Rear-Panel I/O

The following I/O signals are available from the
signals are available for use by a rear panel transition board such as the ZT 4807.
• Serial ports (COM1 and COM2)
• USB Ports 0 and 1 (through cuttable trace configuration)
• Floppy Interface
• Keyboard
• PS/2 mouse
• Push button reset input
• IDE secondary channel
• SMBus
• Ejector
• Video
• Speaker Output (AT compatible)

PCI Video

The ZT 5504 provides on-board video using the Chips and Technologies 69000 HiQVideo
Accelerator with Integrated Memory. This device is configured for PCI bus transactions at
speeds up to 33 MHz.
The 69000 incorporates 2 MB of integrated SDRAM for the graphics/video frame buffer. The
integrated SDRAM memory can support up to 83 MHz operation, thus increasing the available
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Maximum
15.0A
14.1A
1.5A
0.9A
J5 connector
1. Introduction
at the back of the ZT 5504. These
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