
HP zx6000 Internals
PDH controller
Serial controller, DUART (16550A-compatible)
FPGA controller for ACPI (2.0) and LPC
Baseboard management controller (BMC — IPMI interface)
10/100 Ethernet for management (Intel 82550)
Buses
Itanium 2/zx1 processor bus 6.4GB/s
Two independent zx1 memory buses, 266MHz, each 4.25GB/s — aggregate 8.5GB/s memory
bandwidth
Seven zx1 I/O channels/buses, aggregate 3.5GB/s
Three PCI-X 64/133 I/O buses
PCI-X 64/66 I/O bus (for SCSI/Gigabit Ethernet onboard)
PCI 32/33 I/O bus (for IDE/USB/management onboard devices)
Two SCSI-3 Ultra320 (LVD) storage I/O buses
AGP 4x graphics bus
UltraATA-100 IDE storage I/O bus
Memory
PC2100 registered ECC DDR266 SDRAM DIMMs
Takes up to 2GB modules
Twelve slots
512MB minimum (2×256MB)
24GB maximum (12×2GB)
8.5GB/s memory bandwidth
Expansion
Three PCI-X 64-bit/133MHz slots, full-length
All PCI slots are 3.3V
One AGP Pro 4x 32-bit slot, 1.5V
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