PT-627 Enhanced VL-bus IDE/Floppy/Serial/Parallell
--------------------------------------------------

- PT627A (UM82C863) Standard I/O (16450+SPP)
- PT627B (UM8663)   16550 + ECP,EPP/SPP
- PT627C (UM8668)   16550 + ECP,EPP/SPP + 2.88MB floppy
- PT627D (UM8662)   16550 + Standard parallell port (SPP)

- Supports IDE BIOS for enhanced IDE under DOS.
- Supports hardware anti-virus protection.
- Supports GREEN feature for I/O chip.

  LED  LED                                                .--
 .-P----S------------------------------------------------.|
 | : .. : ..1..     1..........           1..     1::  .--|=
 |  JP18  :: ::      ::::::::::            ::      ::  |  |: 9pin
 |1::1::  JJ II 1::  7891111111            ::      ::  |  |: male CN5
 | :: ::  PP DD  ::     0123457           CN6      ::  `--|=
 | :: ::  56 01 CN3                               CN4  .--|=
 |CN1 CN2        :: S1::: ...JP16                      |  |:
 | :: ::         :: S2::: 1                            |  |: 25pin
 | :: ::         ::   123    ..JP19      JP22:::       |  |: female
 | :: ::                    :::JP20          CDD       |  |: CN7
 |                          123JP21          808 ..J1  `--|=
 `mmm-mmmmmmmmmmmmmm---mmmmmmmmmmm--mmmmmmmmmmmmmmmmmmmm-'|
  """ """"""""""""""   """""""""""  """"""""""""""""""""  |
                                                          |

LEDP: Primary IDE LED
LEDS: Secondary IDE LED
JP18: LEDP=LEDS when JP18 is shortened

Speed selection:
ID0    ID1     Active Recovery  Definition
Closed Closed  18T    37T       under 40MB HD
Open   Open    15T    30T       CPUCLK 40 or 50 MHz
Open   Closed  15T    19T       CPUCLK 25 or 33 MHz
Closed Open    9T     13T       CPUCLK < 20MHz
(T=1/CPUCLK, ex 50Mhz: T=20ns)

      1-2       2-3    Connector
JP5   Enable    Disable   CN1   Primary IDE
JP6   Enable    Disable   CN2   Secondary IDE
JP7   Enable    Disable   CN3   Floppy
JP8   Enable    Disable   CN4   Game
JP9   LPT2      LPT3      CN7   Printer I/O address
JP11  Enable    Disable   CN7   Printer
JP12  Enable    Disable   CN5   COM1/3
JP13  3F8,COM1  3E8,COM3  CN5   COM1/3
JP14  2F8,COM2  2E8,COM4  CN6   COM2/4
JP15  Enable    Disable   CN6   COM2/4
JP16  Enable    Disable   CN7   Printer ECP
JP20  IRQ5      IRQ3      CN6   COM2/4 IRQ
JP21  IRQ9      IRQ4      CN5   COM1/3 IRQ

Printer port mode:
      SPP  EPP  ECP
JP10  2-3  1-2  1-2
JP11  1-2  2-3  1-2

         
S1 DRQ.  Close pair1=DRQ1, pair2=DRQ3, pair3=disable.
S2 DACK. Close pair1=DACK1, pair2=DACK3, pair3=disable. 


J1   IOCHRDY Short=Enable, Open=Disable
JP19 Green feature for I/O chip. Connect cable between Pin2 and JP32
     of PT-629G.

Driver installation in CONFIG.SYS:
(driver for devices and also shows a menu for overriding
jumper settings)
DEVICE=UM8672.SYS [/Dn:m]
n=drive number, m=drive speed 0-11 (0=slowest).

/Tomas Andersson 3dec98