8570 Type 2 Planar (original) (raw)

<rf7080a.exe> Model 70 386 Reference Disk v1.12 (zipped image)
XGAOPT.exe XGA/XGA2 Display Adapter Options Disk (details HERE)

8570 Type 2 (short) Planar
System Firmware
ROM Images

8570 Type 2 (short) Planar FRU P/N 96F7308 or 41G3985

F1 Keyboard/mouse fuse J1 Power supply edge connector J2 Keyboard port J3 Mouse port J4 Parallel port J5 Floppy/Hard-drive riser slot J6 DB25 serial port J7,9,10 72-pin SIMM socket J8 HDD15 video connector J11,12 32-bit MCA slot J13 16-bit MCA slot w/ AVE J14 Battery/Speaker connector LN1-5 Inductors OS1 40.0000 MHz osc OS2 24.0000 MHz osc OS3 14.3181 MHz osc OS4 25.1750 MHz osc OS5 28.3220 MHz osc

U2 33F8602 FDC U10 33F4906 BIOS U18 NEC µPD72065L Floppy controller U19 33F5838 I/O Controller U20 132-pin 386 socket U21 NEC 33F5946 CPU GA U23 90X8134(ESD) DMA Controller U37 NS16550AFV UART U39 57X4111 U42 68-pin 387DX socket U45 NEC 33F5944 Memory Controller U59,60 68X6143 Video RAM U61 90X8941 VGA controller U68 Inmos IMSG171S-35 RAMDAC U79 Hitachi HM6264LFP-15T U81 Motorola MC146818AFN RTC/CMOS Y1 32.768 kHz xtal (RTC)

This planar uses the same core logic as theLater P70 planar, the5550-S/T Stage 2 planar, and theType 0 processor complex.

System Firmware (POST & BIOS)

Firmware stored in EPROM.

ROM Images

All ROMs are Toshiba TC571001D-20, AMD Am27C100 or compatible (position U10).

33F4906 - 12 May 1988, rev. 3, incomplete dump!
64F3513 - 15 Dec 1989, rev. 4

Note: The Type 2 planar uses a slightly non-standard ROM device - Toshiba TC571001D or AMD Am27C100. These devices are similar to the more common 27C010 line, but two pins are swapped (pin 2 and pin 24). Some of the programming parameters may differ as well.