8565 SX Planar

rf5565a.exe Model 55/65 Reference Disk v1.05 (zipped image)

190-052 IBM Personal System/2 Model 65 SX (8565-061 and 8565-121)

8565 SX Planar
System Firmware
   ROM Images


8565 SX Planar FRU P/N 92F0800, 57F1444 [P] [P]

F1 3 A/250 V KB/mouse fuse
J1 HDD15 video connector
J2 DB25 serial port
J3 Parallel port
J4 Mouse port
J5 Keyboard port
J6 16-bit MCA slot w/ AVE
J7-13 16-bit MCA slot
J14 Power supply connector
J15,16 72-pin SIMM socket
J17 Floppy connector
J18 Battery/Speaker connector
OS1 28.322 MHz osc
OS2 25.175 MHz osc
OS4 14.31818 MHz osc
OS5 32.00000 MHz osc
U6 Inmos IMSG171P-35? RAMDAC
U13 P8042AH 90X9052 Keyboard controller
U19 90X8941 VGA
U22 23F9177
U33-36,45-48 TI TMS4464FML-12 64Kx4 DRAM
U43 Dallas DS1287 RTC/CMOS
U59 Bell 45F8645 ceramic module (PLL?)
U69 Dallas DS1220AD 2Kx8 NVRAM
U61 57F1139
U70 27F4619
U71 387SX Math co-pro socket
U72 386SX-16
U73 23F8566
U80 LM386 Audio op-amp (PC Speaker)
U81 NEC µPD765BC Floppy controller
U84 90X8134 DMA Controller
U85 PE-27081 delay line?
U90 64F3608 BIOS ROM Even
U91 64F3611 BIOS ROM Odd


System Firmware (POST & BIOS)

Firmware stored in EPROM.

ROM Images

64F3608 / 64F3611 - 08 Feb 1990, rev. 0, 2x 27C512 (U90 / U91)

Content created and/or collected by:
Louis F. Ohland, Peter H. Wendt, David L. Beem, William R. Walsh, Tatsuo Sunagawa, Tomáš Slavotínek, Jim Shorney, Tim N. Clarke, Kevin Bowling, and many others.

Ardent Tool of Capitalism is maintained by Tomáš Slavotínek.
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