286-16 SPECS

        MODEL NUMBER: PTM-1636C
         DESCRIPTION: 286-16 main board
      IDENTIFICATION: "PTM-1636C" between slots
                SIZE: Baby AT (8.6 x 13 in.)
             CHIPSET: Chips & Technology (82C235)
                BIOS: DTK
              MEMORY: .5/1/1.5/2/2.5/3/4/5MB RAM (SIMM + DIP) (80ns)
               CACHE: None
     CACHE ALGORITHM: None
               SLOTS: Six 16-bit + two 8-bit
             BATTERY: Discrete
             SOCKETS: 80287 math coprocessor (10MHz)
 RAM BANK 0 LOCATION: Innermost 2 sockets for SIMMs,
                      Sockets 1-4, 9, 10 for DIPs (1 = Closest to edge)
             MADE IN: Taiwan

JP1: Keylock & power LED
JP2: Speaker
JP3: External battery
W1 (Turbo switch): Short = high speed; open = low speed
W3: Reset switch
W5: Turbo LED
W6: Open = color; short = mono
P1,P2 (RAM type):
    DIPs only or DIPs + SIMMs = all 4 short on P1 + both open on P2
    SIMMs only = all 4 open on P1 + both short on P2
P4 (Next to battery): Short = enable internal battery; open = disable