HP Workstation x4000 hp workstation x4000 - Technical Reference manual - Windo - Page 31

Super I/O Chip (National PC87366), LAN Chip (Intel 82550), System Chipset,

Page 31 highlights

NOTE System Board System Chipset The x4000 Workstation is optimized for use with SCSI hard disk drives. IDE hard disk drives are not tested or recommended in the x4000. • Two external USB ports which are USB 1.1 compliant ports with over-current protection and support for wake up from S1 (sleep) state (USB mouse and keyboard are not supported). • Audio • Super I/0 • SMBUS Super I/O Chip (National PC87366) The Super I/O provides the interface to: • Two serial ports (A and B). The serial port interface voltage levels are established by DS14185A communication port interface chips. • One EPP parallel port • Floppy disk drive • PS2 Keyboard • PS2 Mouse LAN Chip (Intel 82550) The LAN chip: • Is 10/100 Base T • Is IEEE 802.3 compliant • Is on the 33 MHz, 32-bit PCI bus • Supports Wake-on-LAN via the PME# signal • Stores configuration information on attached SEEPROM chip Chapter 2 31

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System Board
System Chipset
Chapter 2
31
NOTE
The x4000 Workstation is optimized for use with SCSI hard disk
drives. IDE hard disk drives are not tested or recommended in the
x4000.
Two external USB ports which are USB 1.1 compliant ports with
over-current protection and support for wake up from S1 (sleep) state
(USB mouse and keyboard are not supported).
Audio
Super I/0
SMBUS
Super I/O Chip (National PC87366)
The Super I/O provides the interface to:
Two serial ports (A and B). The serial port interface voltage levels are
established by DS14185A communication port interface chips.
One EPP parallel port
Floppy disk drive
PS2 Keyboard
PS2 Mouse
LAN Chip (Intel 82550)
The LAN chip:
Is 10/100 Base T
Is IEEE 802.3 compliant
Is on the 33 MHz, 32-bit PCI bus
Supports Wake-on-LAN via the PME# signal
Stores configuration information on attached SEEPROM chip