* [[Aleste Translation PROMs and EPROMs]] - description of the numbers in the look-up PROMs/EPROMs
== Official Documentation related to Schematics ==
* [[Media:AlesteStartupManual.txt]] - info on building the computer, fixing bugs on the PCB (translated to english)
* [[Media:AlesteSchematicDescription.txt]] - description of schematics (translated to english)
* [[Media:AlesteUserManual.txt]] - includes external pin-out; some of them conflict with schematics (translated to english)
== Aleste Chipset ==
4 KR1802IR1 ? RAM 16x4 (D60,D61=sheet2=palette, D62,D63=sheet4=keyboard)
1 KR1810WG72 uPD765 FDC (D70=sheet3)
1 KR580WI53 8253 baudrate timer (D33=sheet4) (/CS=/CS53, A0,A1=A0,A1, D0-D7=AY0-AY7=PPIpa) (/WR only, no /RD) (CLK0,CLK1=WGPTCLK=16MHz/n, see sheet3) 1 KR580WW51A 8251(A?) usart/mouse (D34=sheet2) (A12=/CS, A8=C/D)
1 KR580WW55A 8255 PPI (D17=sheet2)
1 KR512WI1 MC146818 RTC (D19=sheet2)
1 K573RF4 27512 EPROM 64Kx8 (D31=sheet2) (BIOS/BASIC/BOOT/AMSDOS)
2 K573RF2 2764 EPROM 2Kx8 (D62=COLDAT=sheet1, D65=VDKEY=sheet1)
1 K155RE3 27S18 PROM 32x8 OC (D69="Af"=sheet3=floppy) (dummy FP0..FP3, disk /GATE, to D72 count --> DW --> FDC)
2 (KR)556RT4 27S20 PROM 256x4 OC (D28="M"=MAP14..MAP17=sheet2, D67="R"=ROMEN/RAMEN etc.=sheet1)
2 K555KP7 74LS151 8bit multiplexer (D24=sheet2,D81=sheet4)
1 K555KP11 74LS257 8-to-4 data selector (D38=sheet1) (clock select)
1 K555KP12 74LS253 2x 4vstup. multiplexer, TS "8-to-2 line 3-state noninverting data selector/multiplexer" (D26=sheet3) .. 3 K555LA3 74LS00 Quad NAND gates (variousD78=sheet4, D41=sheet1+2+4, D75=sheet1+3+4) .. 1 K555LE1 74LS02 Quad NOR gates (variousD43=sheet1) .. 2 K555LI1 74LS08 Quad AND gates (variousD35=sheet1+2,D85=sheet1+3) .. 2 K555LL1 74LS32 Quad OR gates (variousD29=sheet1+2,D44=sheet1) .. 3 K555LN1 74LS04 Hex inverters (variousD36=sheet1, D73=sheet3, D42=sheet1+2+4)
1 K555LN2 74LS05 Hex inverters, OC (D76=sheet3)
5 K555TM2 74LS74 Dual flipflop (D40,D77,D66,D57=sheet1, D71=sheet3)
6 K555TM9 74LS174 6bit flipflop (D32,D55,D56=sheet1, D59=sheet2, D68=sheet3, D79=sheet4)
1 2 K561IE10 MC14520B dual up binary counter (D63,D64=sheet1)
=== Chipset Notes ===
* The part numbers printed on the chips may look like "KPxxx" (cyrillic) instead of "KRxxx" (latin).
* As mentioned at chipdir, KR1802IR1 is similar to AM29705, but '''NOT''' the same (the AM29705 has four additional data pins).
[[Category:Non CPC Computers]][[Category:Clones]]