8580 -0xx, 1xx, 3xx Planar

rf7080a.exe Model 8570/8580 Reference Disk ver 1.12
187-051 IBM Personal System/2 Model 80 (8580-041/071)
187-052 IBM Personal System/2 Model 80 (8580-111)
187-150 IBM Personal System/2 Model 80 (8580-311)
190-054 IBM Personal System/2 Model 80 (8580-121, -321)
190-177 IBM Personal System/2 Model 80 (8580-081, 161 AND A16)

Clock speed: 16MHz 8580-041,071, 20MHz 8580-081,111,121,161,311,321


8580 20 MHz Planar FRU 33F8506 (schematics)

CR3 LM340T5 7805 +P 5V VR
E3 jumper ?
J1, J2, J4 32 bit MCA
J3, J5, J7, J8 16 bit MCA
J6 16 bit MCA with AVE
J9 HDD15 Video
J10 DB25 Serial
J11 Parallel
J12 Mouse
J13 Keyboard
J14 Planar power connector
J15, J16 Memory expansion connectors
J17 Floppy connector
J18 Speaker/Battery assembly connector
U1 inmos IMSG171P-35 CLUT
U20 1.8432 MHz osc (UART)
U43 NS16550AFV UART
U87 72X8287 Video Graphics Array
U110 40.0 MHz Osc (CPU/FPU, local bus)
U116, 117, 136, 137, 149, 150, 174, 175
   TMS 4464FML-12 DRAM 120ns
U120 72X7377 DMA controller
U122 90X9052 intel P8042AH
U131 intel 386DX-20 CPU
U134 72X8299 IO controller
U148 NEC D72065L floppy controller
U153 14.31818 MHz Osc (slots, IO, logic)
U155 28.322 MHz Osc (VGA)
U156 25.175 MHz Osc (VGA)
U157 15F6637 ROM BIOS low
U158 15F6639 ROM BIOS high
U159 32.0 MHz Osc (FPU, logic)
U161 387 math coprocessor
U186 Motorola MC146818A RTC
U188, U189 Siemens SAB 8259A-N PIC
Y1 32.768 kHz xtal (RTC)
? 2 x 21 solder pads

Supposedly, three 32 bit slots with Matched Memory Extension (MME), and five 16-bit slots (one with AVE, one occupied with 16-bit SCSI controller).


Configurations

-041 - 386-16, 1MB RAM, 44MB hardfile, 1.44MB
-071 - 386-16, 1MB RAM, 70MB hardfile, 1.44MB
-081 - 386-20, 2MB RAM
-111 - 386-20, 2MB RAM, 115MB hardfile, 1.44MB
-121 - 386-20, 2MB RAM, 120MB SCSI hardfile, 1.44MB
-161 - 386-20, 2MB RAM
-321 - 386-20, 2MB RAM, 320MB SCSI hardfile, 1.44MB

8580 16MHz and 20MHz Planar Memory Sizes

System Board 16MHz (8580-041, 071) 33F8416
1MB 80nS Memory Kit 72X6670 or 6450375

System Board 20MHz 10G4148, 92F0756 (8580-081, 111, 121, 161, 311, 321)
2MB 80nS Memory Kit 92F0669 or 6450379
A list of 2MB numbers:
92F9391, 90X8993, 90X7391, 6450372, 6450379, 90X9391, 15F6825, 92F0664 (?)

20MHz Planar 92F0756 / 92F0767


9595 Main Page