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X704-500
General Info
Designer	Exponential Technology
Manufacturer	Hitachi
Model Number	X704-500
Market	Desktop
Introduction	January 7, 1997 (announced)
General Specs
Family	X704
Frequency	500 MHz
Bus type	60x bus
Bus speed	100 MHz
Clock multiplier	5
Microarchitecture
Microarchitecture	X704
Platform	CHRP
Process	500 nm
Transistors	2,700,000
Technology	BiCMOS
Die	150 mm²
Word Size	32 bit
Cores	1
Threads	1
Multiprocessing
Max SMP	1-Way (Uniprocessor)
Electrical
Power dissipation	85 W
Vcore	3.6 V

X704 500 MHz was a PowerPC-compatible microprocessor operating at 500 MHz announced in January 1997 by Exponential Technology. The company folded before the model ever reaching market (See X704 § History).

Cache

Main article: X704 § Cache

Level 3 can be provided externally with cache size of 512 KiB to 2 MiB.

Cache Info [Edit Values]
L1I$	2 KiB 2,048 B 0.00195 MiB	1x2 KiB direct mapped
L1D$	2 KiB 2,048 B 0.00195 MiB	1x2 KiB direct mapped
L2$	32 KiB 0.0313 MiB 32,768 B 3.051758e-5 GiB	1x32 KiB 8-way set associative

Graphics

This SoC has no integrated graphics processing unit.

Features

• Fully PowerPC 60x-compatible architecture
• IEEE 1149.1-compliant JTAG test access port
• IEEE 754-compliant single-precision and double-precision arithmetic
• Support for standard PowerPC 60X bus with 64 bits of data and 32 bits of address
• Support for all PowerPC cache operations
• Support for PowerEndian and BigEndian modes

Documents

Manuals

• X704 Technical Summary, 1996

See also

• PowerPC
• X704