IBM Personal System/2 60 - Page 9

Figures
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2-7.
3-1.
3-2.
3-3.
3-4.
3-5.
3-7.
3-8.
3-9.
3-10.
3-11.
3-12.
3-13.
3-14.
3-15.
3-16.
3-17.
3-18.
3-19.
3-20.
3-21.
3-22.
3-23.
System Board Devices and Features ............. 1-4
System Board ........ 0.0... 0. eee eee 1-5
System Board 1/O Address Map ................ 1-6
Performance Specifications — System Board ....... 1-7
Physical Specifications ..................005. 1-8
Acoustical Readings .................00-0084 1-9
Component Maximum Current ................ 1-10
Channel Load Current ..................2005 1-10
Voltage Assignments for the Internal Drive
Power-Supply Connectors ................... 1-11
POS I/O Address Map ............ 0.0000 eee 2-5
Card Selected Feedback Register (Hex 0091) ....... 2-6
System Board Enable/Setup Register (Hex 0094) ..... 2-7
System Board POS Register 2 (Hex 0102) .......... 2-8
Parallel PortSelect Bits ...................0.. 2-8
System Board POS Register (Hex 0103) ........... 2-9
Adapter Enable/Setup Register (Hex 0096) ........ 2-10
Arbitration Bus Priority Assignments ............. 3-4
Arbitration Register, Write to Hex 0090 ........... 3-5
Arbitration Register, Read Hex 0090 ............. 3-5
System Memory Map. .................00-0 5s 3-8
System Board Memory Connector ............... 3-9
RT/CMOS RAM Address Map ................. 3-10
RT/CMOS Address Register and NMI Mask (Hex 0070) 3-11
RT/CMOS Data Register (Hex 0071) ............. 3-11
Real-Time Clock Bytes ................0005. 3-13
Status RegisterA ..............-.--0-0004. 3-13
Status RegisterB ..................000008, 3-14
Status RegisterC ................-- 0000005 3-15
Status RegisterD .................. 000008, 3-15
Diagnostic Status Byte ..................0.. 3-16
Diskette Drive Type Byte .................... 3-17
Diskette Drive Type Byte (Bits7-4) ............ 3-17
Diskette Drive Type Byte (Bits3-0) ............ 3-17
Equipment Byte .............-... 0200020 3-18
Equipment Byte (Bits 7,6) ...............00., 3-18
Equipment Byte (Bits 5,4) ...............00.. 3-18
System Control Port B (Write) ................. 3-20
System Control Port B (Read) ................. 3-21
System Control Port A (Hex 0092) .............. 3-21
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