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Acorn A7000
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== Specification == {| class="wikitable styled-table" style="width:70%; text-align:left;" |+'''A7000 specification (Acorn Risc Technologies datasheet DS002, February 1996)''' ! Item !! Specification |- | Processor || ARM7500, 32 MHz, 4 KB cache |- | Memory || 2, 4 or 8 MB fast page mode DRAM on the board plus one SIMM socket (maximum 136 MB); 4 MB ROM; 240 bytes of battery-backed CMOS RAM |- | Storage || 3.5-inch floppy drive (2 MB unformatted); IDE hard disc (425 MB standard); ATAPI CD-ROM option in the 5.25-inch bay |- | Video || 15-way VGA connector; modes include 1280 Γ 1024 at 2 bpp, 1024 Γ 768 at 4 bpp, 800 Γ 600 and 640 Γ 480 at 8 bpp, 480 Γ 352 at 16 bpp, 240 Γ 352 at 24 bpp; internal genlock port |- | Sound || 16-bit stereo with a mixer for a CD-ROM, 3.5 mm jack for 32 ohm headphones or line out, internal speaker |- | Ports || 9-pin serial, 25-pin parallel, PS/2 keyboard, PS/2 three-button mouse |- | Expansion || Network slot (Ethernet or ATM); one expansion card slot |- | Power || Integral 35 W switch-mode supply, IEC inlet and outlet, auto-ranging 110 to 240 V AC |- | Size and weight || 357 Γ 283 Γ 102 mm; about 4 kg |} Source: Acorn Risc Technologies.<ref name="ds002">Acorn Risc Technologies, datasheet "A7000", DS002/ART/RK, February 1996. Hosted on this wiki: [[:File:Acorn A7000 datasheet (ART DS002).pdf]].</ref> Chris Whytehead's A7000 runs its memory at 16 MHz.<ref name="chris" /> On performance, the datasheet says "around 29 MIPS (Dhrystone 2.1) peak", Acorn's ARM7500 leaflet gives the A7000 25 MIPS, and Chris Whytehead measured 17.87 MIPS (ARMSi) and 24,252 Dhrystones per second on his machine.<ref name="ds002" /><ref name="app868" /><ref name="chris" />
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